MolluscaBase name details
Margaron I. Lea, 1852
857021 (urn:lsid:marinespecies.org:taxname:857021)
uncertain > taxon inquirendum
Genus
Subgenus Margaron (Anodonta) Lamarck, 1799 accepted as Anodonta Lamarck, 1799 (reversed priority of genus-group names)
Species Margaron dimotus I. Lea, 1870 accepted as Lens contradens (I. Lea, 1838) (junior synonym; a replacement name for Unio sumatrensis I. Lea, 1859)
Species Margaron lepidior I. Lea, 1870 accepted as Rhipidodonta charruana (d'Orbigny, 1835) (synonym)
Species Margaron nashvilliensis "I. Lea, 1870" accepted as Unio nashvillianus I. Lea, 1834 accepted as Ligumia subrostrata (Say, 1831) accepted as Sagittunio subrostratus (Say, 1831) (incorrect subsequent spelling, erroneously treated as an emendation)
Species Margaron schoolcraftii "I. Lea, 1870" accepted as Unio schoolcraftensis I. Lea, 1834 accepted as Rotundaria pustulosa (I. Lea, 1831) accepted as Cyclonaias pustulosa (I. Lea, 1831) (incorrect subsequent spelling of Unio schoolcraftensis I. Lea, 1834; not qualifying as an emendation )
» Species Margaron (Anodonta) angulata (I. Lea, 1838) accepted as Gonidea angulata (I. Lea, 1838) (recombination)
» Species Margaron (Anodonta) argentea (I. Lea, 1840) accepted as Anodontoides argenteus (I. Lea, 1840)
» Species Margaron (Anodonta) arkansensis (I. Lea, 1852) accepted as Strophitus undulatus (Say, 1817)
» Species Margaron (Anodonta) bealei (I. Lea, 1863) accepted as Pyganodon grandis (Say, 1829)
» Species Margaron (Anodonta) benedictensis (I. Lea, 1834) accepted as Pyganodon grandis (Say, 1829)
» Species Margaron (Anodonta) benedictii (I. Lea, 1867) accepted as Pyganodon grandis (Say, 1829)
» Species Margaron (Anodonta) buchanensis (I. Lea, 1838) accepted as Anodontoides ferussacianus (I. Lea, 1834) (recombination)
» Species Margaron (Anodonta) californiensis (I. Lea, 1852) accepted as Anodonta californiensis I. Lea, 1852
» Species Margaron (Anodonta) corpulenta (W. Cooper, 1834) accepted as Pyganodon grandis (Say, 1829)
» Species Margaron (Anodonta) couperiana (I. Lea, 1840) accepted as Utterbackia couperiana (I. Lea, 1840) accepted as Utterbackiana couperiana (I. Lea, 1840)
» Species Margaron (Anodonta) dallasiana (I. Lea, 1863) accepted as Pyganodon grandis (Say, 1829)
» Species Margaron (Anodonta) danielsii (I. Lea, 1858) accepted as Pyganodon grandis (Say, 1829)
» Species Margaron (Anodonta) dariensis (I. Lea, 1858) accepted as Pyganodon cataracta (Say, 1817)
» Species Margaron (Anodonta) decora (I. Lea, 1838) accepted as Pyganodon grandis (Say, 1829) (recombination)
» Species Margaron (Anodonta) denigrata (I. Lea, 1852) accepted as Anodontoides ferussacianus (I. Lea, 1834)
» Species Margaron (Anodonta) doliaris (I. Lea, 1865) accepted as Hamiota altilis (Conrad, 1834)
» Species Margaron (Anodonta) dunlapiana (I. Lea, 1842) accepted as Utterbackia couperiana (I. Lea, 1840) accepted as Utterbackiana couperiana (I. Lea, 1840) (recombination)
» Species Margaron (Anodonta) edentula (Say, 1829) accepted as Strophitus undulatus (Say, 1817)
» Species Margaron (Anodonta) ferruginea (I. Lea, 1840) accepted as Anodontoides ferussacianus (I. Lea, 1834)
» Species Margaron (Anodonta) ferussaciana (I. Lea, 1834) accepted as Anodontoides ferussacianus (I. Lea, 1834) (unaccepted > superseded combination)
» Species Margaron (Anodonta) fluviatilis (Gmelin, 1791) accepted as Leptodea ochracea (Say, 1817) accepted as Atlanticoncha ochracea (Say, 1817)
» Species Margaron (Anodonta) footiana (I. Lea, 1840) accepted as Pyganodon grandis (Say, 1829)
» Species Margaron (Anodonta) fragilis (Lamarck, 1819) accepted as Pyganodon fragilis (Lamarck, 1819)
» Species Margaron (Anodonta) gesnerii (I. Lea, 1858) accepted as Pyganodon grandis (Say, 1829)
» Species Margaron (Anodonta) gibbosa (Say, 1824) accepted as Pyganodon gibbosa (Say, 1824)
» Species Margaron (Anodonta) gigantea (I. Lea, 1839) accepted as Pyganodon grandis (Say, 1829)
» Species Margaron (Anodonta) globosa (I. Lea, 1841) accepted as Pyganodon grandis (Say, 1829)
» Species Margaron (Anodonta) grandis (Say, 1829) accepted as Pyganodon grandis (Say, 1829)
» Species Margaron (Anodonta) hallenbeckii (I. Lea, 1858) accepted as Strophitus connasaugaensis (I. Lea, 1858) accepted as Pseudodontoideus connasaugaensis (I. Lea, 1858)
» Species Margaron (Anodonta) harpethensis (I. Lea, 1840) accepted as Pyganodon grandis (Say, 1829)
» Species Margaron (Anodonta) henryana (I. Lea, 1857) accepted as Utterbackia imbecillis (Say, 1829)
» Species Margaron (Anodonta) imbecillis (Say, 1829) accepted as Utterbackia imbecillis (Say, 1829)
» Species Margaron (Anodonta) implicata (Say, 1829) accepted as Pyganodon implicata (Say, 1829) accepted as Utterbackiana implicata (Say, 1829)
» Species Margaron (Anodonta) kennerlyi (I. Lea, 1860) accepted as Anodonta kennerlyi I. Lea, 1860 (recombination)
» Species Margaron (Anodonta) kennicottii (I. Lea, 1861) accepted as Pyganodon grandis (Say, 1829)
» Species Margaron (Anodonta) lacustris (I. Lea, 1857) accepted as Pyganodon lacustris (I. Lea, 1857)
» Species Margaron (Anodonta) leonensis (I. Lea, 1862) accepted as Pyganodon grandis (Say, 1829)
» Species Margaron (Anodonta) lewisii (I. Lea, 1857) accepted as Pyganodon grandis (Say, 1829)
» Species Margaron (Anodonta) linnaeana (I. Lea, 1852) accepted as Pyganodon grandis (Say, 1829)
» Species Margaron (Anodonta) maryattana (I. Lea, 1840) accepted as Pyganodon grandis (Say, 1829)
» Species Margaron (Anodonta) micans (J. G. Anthony, 1865) accepted as Pyganodon grandis (Say, 1829)
» Species Margaron (Anodonta) modesta (I. Lea, 1857) accepted as Anodontoides ferussacianus (I. Lea, 1834)
» Species Margaron (Anodonta) nopalatensis (G. B. Sowerby II, 1867) accepted as Pyganodon grandis (Say, 1829)
» Species Margaron (Anodonta) nuttalliana (I. Lea, 1838) accepted as Anodonta nuttalliana I. Lea, 1838 (recombination)
» Species Margaron (Anodonta) oblita (I. Lea, 1852) accepted as Anodontoides ferussacianus (I. Lea, 1834)
» Species Margaron (Anodonta) opaca (I. Lea, 1852) accepted as Pyganodon grandis (Say, 1829)
» Species Margaron (Anodonta) oregonensis (I. Lea, 1838) accepted as Anodonta oregonensis I. Lea, 1838
» Species Margaron (Anodonta) ovata (I. Lea, 1838) accepted as Pyganodon grandis (Say, 1829) (recombination)
» Species Margaron (Anodonta) papyracea (J. G. Anthony, 1865) accepted as Strophitus undulatus (Say, 1817)
» Species Margaron (Anodonta) pavonia (I. Lea, 1838) accepted as Strophitus undulatus (Say, 1817)
» Species Margaron (Anodonta) pepiniana (I. Lea, 1838) accepted as Pyganodon grandis (Say, 1829) (recombination)
» Species Margaron (Anodonta) plana (I. Lea, 1834) accepted as Pyganodon grandis (Say, 1829) (recombination)
» Species Margaron (Anodonta) salmonia (I. Lea, 1838) accepted as Pyganodon grandis (Say, 1829) (recombination)
» Species Margaron (Anodonta) schrenkii I. Lea, 1870 accepted as Sinanodonta schrenkii (I. Lea, 1870) (unaccepted > superseded combination)
» Species Margaron (Anodonta) shaefferiana (I. Lea, 1852) accepted as Strophitus undulatus (Say, 1817)
» Species Margaron (Anodonta) showalterii (I. Lea, 1860) accepted as Anodontoides radiatus (Conrad, 1834) accepted as Strophitus radiatus (Conrad, 1834)
» Species Margaron (Anodonta) simpsoniana (I. Lea, 1861) accepted as Pyganodon grandis (Say, 1829)
» Species Margaron (Anodonta) stewartiana (I. Lea, 1834) accepted as Pyganodon grandis (Say, 1829) (recombination)
» Species Margaron (Anodonta) subcylindracea (I. Lea, 1839) accepted as Anodontoides ferussacianus (I. Lea, 1834)
» Species Margaron (Anodonta) suborbiculata (Say, 1831) accepted as Utterbackia suborbiculata (Say, 1831) accepted as Utterbackiana suborbiculata (Say, 1831)
» Species Margaron (Anodonta) subvexa (Conrad, 1834) accepted as Strophitus subvexus (Conrad, 1834) accepted as Pseudodontoideus subvexus (Conrad, 1834)
» Species Margaron (Anodonta) tetragona (I. Lea, 1845) accepted as Strophitus undulatus (Say, 1817)
» Species Margaron (Anodonta) texasensis (I. Lea, 1859) accepted as Pyganodon grandis (Say, 1829)
» Species Margaron (Anodonta) tryonii (I. Lea, 1862) accepted as Pyganodon cataracta (Say, 1817)
» Species Margaron (Anodonta) undulata (Say, 1817) accepted as Alasmidonta undulata (Say, 1817)
» Species Margaron (Anodonta) virens (I. Lea, 1857) accepted as Elliptio complanata ([Lightfoot], 1786)
» Species Margaron (Anodonta) virgulata (I. Lea, 1857) accepted as Pyganodon cataracta (Say, 1817)
» Species Margaron (Anodonta) wahlamatensis (I. Lea, 1838) accepted as Anodonta nuttalliana I. Lea, 1838 (recombination)
» Species Margaron (Anodonta) wardiana (I. Lea, 1838) accepted as Strophitus undulatus (Say, 1817)
» Species Margaron (Anodonta) williamsii (I. Lea, 1862) accepted as Pyganodon cataracta (Say, 1817)
» Species Margaron (Anodonta) youkanensis (I. Lea, 1867) accepted as Anodonta beringiana Middendorff, 1851 accepted as Beringiana beringiana (Middendorff, 1851)
Subgenus Margaron (Margaritana) Schumacher, 1817 accepted as Margaritifera Schumacher, 1815» Species Margaron (Anodonta) argentea (I. Lea, 1840) accepted as Anodontoides argenteus (I. Lea, 1840)
» Species Margaron (Anodonta) arkansensis (I. Lea, 1852) accepted as Strophitus undulatus (Say, 1817)
» Species Margaron (Anodonta) bealei (I. Lea, 1863) accepted as Pyganodon grandis (Say, 1829)
» Species Margaron (Anodonta) benedictensis (I. Lea, 1834) accepted as Pyganodon grandis (Say, 1829)
» Species Margaron (Anodonta) benedictii (I. Lea, 1867) accepted as Pyganodon grandis (Say, 1829)
» Species Margaron (Anodonta) buchanensis (I. Lea, 1838) accepted as Anodontoides ferussacianus (I. Lea, 1834) (recombination)
» Species Margaron (Anodonta) californiensis (I. Lea, 1852) accepted as Anodonta californiensis I. Lea, 1852
» Species Margaron (Anodonta) corpulenta (W. Cooper, 1834) accepted as Pyganodon grandis (Say, 1829)
» Species Margaron (Anodonta) couperiana (I. Lea, 1840) accepted as Utterbackia couperiana (I. Lea, 1840) accepted as Utterbackiana couperiana (I. Lea, 1840)
» Species Margaron (Anodonta) dallasiana (I. Lea, 1863) accepted as Pyganodon grandis (Say, 1829)
» Species Margaron (Anodonta) danielsii (I. Lea, 1858) accepted as Pyganodon grandis (Say, 1829)
» Species Margaron (Anodonta) dariensis (I. Lea, 1858) accepted as Pyganodon cataracta (Say, 1817)
» Species Margaron (Anodonta) decora (I. Lea, 1838) accepted as Pyganodon grandis (Say, 1829) (recombination)
» Species Margaron (Anodonta) denigrata (I. Lea, 1852) accepted as Anodontoides ferussacianus (I. Lea, 1834)
» Species Margaron (Anodonta) doliaris (I. Lea, 1865) accepted as Hamiota altilis (Conrad, 1834)
» Species Margaron (Anodonta) dunlapiana (I. Lea, 1842) accepted as Utterbackia couperiana (I. Lea, 1840) accepted as Utterbackiana couperiana (I. Lea, 1840) (recombination)
» Species Margaron (Anodonta) edentula (Say, 1829) accepted as Strophitus undulatus (Say, 1817)
» Species Margaron (Anodonta) ferruginea (I. Lea, 1840) accepted as Anodontoides ferussacianus (I. Lea, 1834)
» Species Margaron (Anodonta) ferussaciana (I. Lea, 1834) accepted as Anodontoides ferussacianus (I. Lea, 1834) (unaccepted > superseded combination)
» Species Margaron (Anodonta) fluviatilis (Gmelin, 1791) accepted as Leptodea ochracea (Say, 1817) accepted as Atlanticoncha ochracea (Say, 1817)
» Species Margaron (Anodonta) footiana (I. Lea, 1840) accepted as Pyganodon grandis (Say, 1829)
» Species Margaron (Anodonta) fragilis (Lamarck, 1819) accepted as Pyganodon fragilis (Lamarck, 1819)
» Species Margaron (Anodonta) gesnerii (I. Lea, 1858) accepted as Pyganodon grandis (Say, 1829)
» Species Margaron (Anodonta) gibbosa (Say, 1824) accepted as Pyganodon gibbosa (Say, 1824)
» Species Margaron (Anodonta) gigantea (I. Lea, 1839) accepted as Pyganodon grandis (Say, 1829)
» Species Margaron (Anodonta) globosa (I. Lea, 1841) accepted as Pyganodon grandis (Say, 1829)
» Species Margaron (Anodonta) grandis (Say, 1829) accepted as Pyganodon grandis (Say, 1829)
» Species Margaron (Anodonta) hallenbeckii (I. Lea, 1858) accepted as Strophitus connasaugaensis (I. Lea, 1858) accepted as Pseudodontoideus connasaugaensis (I. Lea, 1858)
» Species Margaron (Anodonta) harpethensis (I. Lea, 1840) accepted as Pyganodon grandis (Say, 1829)
» Species Margaron (Anodonta) henryana (I. Lea, 1857) accepted as Utterbackia imbecillis (Say, 1829)
» Species Margaron (Anodonta) imbecillis (Say, 1829) accepted as Utterbackia imbecillis (Say, 1829)
» Species Margaron (Anodonta) implicata (Say, 1829) accepted as Pyganodon implicata (Say, 1829) accepted as Utterbackiana implicata (Say, 1829)
» Species Margaron (Anodonta) kennerlyi (I. Lea, 1860) accepted as Anodonta kennerlyi I. Lea, 1860 (recombination)
» Species Margaron (Anodonta) kennicottii (I. Lea, 1861) accepted as Pyganodon grandis (Say, 1829)
» Species Margaron (Anodonta) lacustris (I. Lea, 1857) accepted as Pyganodon lacustris (I. Lea, 1857)
» Species Margaron (Anodonta) leonensis (I. Lea, 1862) accepted as Pyganodon grandis (Say, 1829)
» Species Margaron (Anodonta) lewisii (I. Lea, 1857) accepted as Pyganodon grandis (Say, 1829)
» Species Margaron (Anodonta) linnaeana (I. Lea, 1852) accepted as Pyganodon grandis (Say, 1829)
» Species Margaron (Anodonta) maryattana (I. Lea, 1840) accepted as Pyganodon grandis (Say, 1829)
» Species Margaron (Anodonta) micans (J. G. Anthony, 1865) accepted as Pyganodon grandis (Say, 1829)
» Species Margaron (Anodonta) modesta (I. Lea, 1857) accepted as Anodontoides ferussacianus (I. Lea, 1834)
» Species Margaron (Anodonta) nopalatensis (G. B. Sowerby II, 1867) accepted as Pyganodon grandis (Say, 1829)
» Species Margaron (Anodonta) nuttalliana (I. Lea, 1838) accepted as Anodonta nuttalliana I. Lea, 1838 (recombination)
» Species Margaron (Anodonta) oblita (I. Lea, 1852) accepted as Anodontoides ferussacianus (I. Lea, 1834)
» Species Margaron (Anodonta) opaca (I. Lea, 1852) accepted as Pyganodon grandis (Say, 1829)
» Species Margaron (Anodonta) oregonensis (I. Lea, 1838) accepted as Anodonta oregonensis I. Lea, 1838
» Species Margaron (Anodonta) ovata (I. Lea, 1838) accepted as Pyganodon grandis (Say, 1829) (recombination)
» Species Margaron (Anodonta) papyracea (J. G. Anthony, 1865) accepted as Strophitus undulatus (Say, 1817)
» Species Margaron (Anodonta) pavonia (I. Lea, 1838) accepted as Strophitus undulatus (Say, 1817)
» Species Margaron (Anodonta) pepiniana (I. Lea, 1838) accepted as Pyganodon grandis (Say, 1829) (recombination)
» Species Margaron (Anodonta) plana (I. Lea, 1834) accepted as Pyganodon grandis (Say, 1829) (recombination)
» Species Margaron (Anodonta) salmonia (I. Lea, 1838) accepted as Pyganodon grandis (Say, 1829) (recombination)
» Species Margaron (Anodonta) schrenkii I. Lea, 1870 accepted as Sinanodonta schrenkii (I. Lea, 1870) (unaccepted > superseded combination)
» Species Margaron (Anodonta) shaefferiana (I. Lea, 1852) accepted as Strophitus undulatus (Say, 1817)
» Species Margaron (Anodonta) showalterii (I. Lea, 1860) accepted as Anodontoides radiatus (Conrad, 1834) accepted as Strophitus radiatus (Conrad, 1834)
» Species Margaron (Anodonta) simpsoniana (I. Lea, 1861) accepted as Pyganodon grandis (Say, 1829)
» Species Margaron (Anodonta) stewartiana (I. Lea, 1834) accepted as Pyganodon grandis (Say, 1829) (recombination)
» Species Margaron (Anodonta) subcylindracea (I. Lea, 1839) accepted as Anodontoides ferussacianus (I. Lea, 1834)
» Species Margaron (Anodonta) suborbiculata (Say, 1831) accepted as Utterbackia suborbiculata (Say, 1831) accepted as Utterbackiana suborbiculata (Say, 1831)
» Species Margaron (Anodonta) subvexa (Conrad, 1834) accepted as Strophitus subvexus (Conrad, 1834) accepted as Pseudodontoideus subvexus (Conrad, 1834)
» Species Margaron (Anodonta) tetragona (I. Lea, 1845) accepted as Strophitus undulatus (Say, 1817)
» Species Margaron (Anodonta) texasensis (I. Lea, 1859) accepted as Pyganodon grandis (Say, 1829)
» Species Margaron (Anodonta) tryonii (I. Lea, 1862) accepted as Pyganodon cataracta (Say, 1817)
» Species Margaron (Anodonta) undulata (Say, 1817) accepted as Alasmidonta undulata (Say, 1817)
» Species Margaron (Anodonta) virens (I. Lea, 1857) accepted as Elliptio complanata ([Lightfoot], 1786)
» Species Margaron (Anodonta) virgulata (I. Lea, 1857) accepted as Pyganodon cataracta (Say, 1817)
» Species Margaron (Anodonta) wahlamatensis (I. Lea, 1838) accepted as Anodonta nuttalliana I. Lea, 1838 (recombination)
» Species Margaron (Anodonta) wardiana (I. Lea, 1838) accepted as Strophitus undulatus (Say, 1817)
» Species Margaron (Anodonta) williamsii (I. Lea, 1862) accepted as Pyganodon cataracta (Say, 1817)
» Species Margaron (Anodonta) youkanensis (I. Lea, 1867) accepted as Anodonta beringiana Middendorff, 1851 accepted as Beringiana beringiana (Middendorff, 1851)
» Species Margaron (Margaritana) alabamensis (Conrad, 1834) accepted as Potamilus inflatus (I. Lea, 1831)
» Species Margaron (Margaritana) arcula (I. Lea, 1838) accepted as Alasmidonta arcula (I. Lea, 1838) (recombination)
» Species Margaron (Margaritana) calceola (I. Lea, 1830) accepted as Alasmidonta viridis (Rafinesque, 1820) (incorrect gender ending, species epithet is a noun)
» Species Margaron (Margaritana) complanata (Barnes, 1823) accepted as Lasmigona complanata (Barnes, 1823)
» Species Margaron (Margaritana) confragosa (Say, 1829) accepted as Arcidens confragosus (Say, 1829)
» Species Margaron (Margaritana) connasaugaensis (I. Lea, 1858) accepted as Strophitus connasaugaensis (I. Lea, 1858) accepted as Pseudodontoideus connasaugaensis (I. Lea, 1858)
» Species Margaron (Margaritana) curreyana [sic] (I. Lea, 1840) accepted as Pegias fabula (I. Lea, 1838)
» Species Margaron (Margaritana) dehiscens (Say, 1829) accepted as Hemistena lata (Rafinesque, 1820)
» Species Margaron (Margaritana) deltoidea (I. Lea, 1838) accepted as Alasmidonta viridis (Rafinesque, 1820) (recombination)
» Species Margaron (Margaritana) elliottii (I. Lea, 1857) accepted as Amblema elliottii (I. Lea, 1857)
» Species Margaron (Margaritana) elliptica (I. Lea, 1859) accepted as Anodontoides radiatus (Conrad, 1834) accepted as Strophitus radiatus (Conrad, 1834)
» Species Margaron (Margaritana) fabula (I. Lea, 1838) accepted as Pegias fabula (I. Lea, 1838) (recombination)
» Species Margaron (Margaritana) georgiana (I. Lea, 1859) accepted as Lasmigona etowaensis (Conrad, 1849)
» Species Margaron (Margaritana) gesnerii (I. Lea, 1858) accepted as Strophitus subvexus (Conrad, 1834) accepted as Pseudodontoideus subvexus (Conrad, 1834)
» Species Margaron (Margaritana) hildrethiana (I. Lea, 1834) accepted as Simpsonaias ambigua (Say, 1825)
» Species Margaron (Margaritana) holstonia (I. Lea, 1838) accepted as Lasmigona holstonia (I. Lea, 1838) (recombination)
» Species Margaron (Margaritana) margaritifera (Linnaeus, 1758) accepted as Margaritifera margaritifera (Linnaeus, 1758)
» Species Margaron (Margaritana) marginata (Say, 1818) accepted as Alasmidonta marginata Say, 1818
» Species Margaron (Margaritana) minor (I. Lea, 1843) accepted as Toxolasma paulum (I. Lea, 1840)
» Species Margaron (Margaritana) quadrata (I. Lea, 1861) accepted as Lasmigona subviridis (Conrad, 1835)
» Species Margaron (Margaritana) radiata (Conrad, 1834) accepted as Anodontoides radiatus (Conrad, 1834) accepted as Strophitus radiatus (Conrad, 1834)
» Species Margaron (Margaritana) raveneliana (I. Lea, 1834) accepted as Alasmidonta raveneliana (I. Lea, 1834)
» Species Margaron (Margaritana) rugosa (Barnes, 1823) accepted as Quadrula quadrula (Rafinesque, 1820)
» Species Margaron (Margaritana) spillmanii (I. Lea, 1858) accepted as Strophitus subvexus (Conrad, 1834) accepted as Pseudodontoideus subvexus (Conrad, 1834)
» Species Margaron (Margaritana) tombigbeensis ("I. Lea, 1862") accepted as Strophitus subvexus (Conrad, 1834) accepted as Pseudodontoideus subvexus (Conrad, 1834) (incorrect subsequent spelling )
» Species Margaron (Margaritana) triangulata (I. Lea, 1858) accepted as Alasmidonta triangulata (I. Lea, 1858)
» Species Margaron (Margaritana) undulata (Say, 1817) accepted as Alasmidonta undulata (Say, 1817)
Subgenus Margaron (Unio) Philipsson, 1788 accepted as Unio Philipsson, 1788 (reversed priority of genus-group names)» Species Margaron (Margaritana) arcula (I. Lea, 1838) accepted as Alasmidonta arcula (I. Lea, 1838) (recombination)
» Species Margaron (Margaritana) calceola (I. Lea, 1830) accepted as Alasmidonta viridis (Rafinesque, 1820) (incorrect gender ending, species epithet is a noun)
» Species Margaron (Margaritana) complanata (Barnes, 1823) accepted as Lasmigona complanata (Barnes, 1823)
» Species Margaron (Margaritana) confragosa (Say, 1829) accepted as Arcidens confragosus (Say, 1829)
» Species Margaron (Margaritana) connasaugaensis (I. Lea, 1858) accepted as Strophitus connasaugaensis (I. Lea, 1858) accepted as Pseudodontoideus connasaugaensis (I. Lea, 1858)
» Species Margaron (Margaritana) curreyana [sic] (I. Lea, 1840) accepted as Pegias fabula (I. Lea, 1838)
» Species Margaron (Margaritana) dehiscens (Say, 1829) accepted as Hemistena lata (Rafinesque, 1820)
» Species Margaron (Margaritana) deltoidea (I. Lea, 1838) accepted as Alasmidonta viridis (Rafinesque, 1820) (recombination)
» Species Margaron (Margaritana) elliottii (I. Lea, 1857) accepted as Amblema elliottii (I. Lea, 1857)
» Species Margaron (Margaritana) elliptica (I. Lea, 1859) accepted as Anodontoides radiatus (Conrad, 1834) accepted as Strophitus radiatus (Conrad, 1834)
» Species Margaron (Margaritana) fabula (I. Lea, 1838) accepted as Pegias fabula (I. Lea, 1838) (recombination)
» Species Margaron (Margaritana) georgiana (I. Lea, 1859) accepted as Lasmigona etowaensis (Conrad, 1849)
» Species Margaron (Margaritana) gesnerii (I. Lea, 1858) accepted as Strophitus subvexus (Conrad, 1834) accepted as Pseudodontoideus subvexus (Conrad, 1834)
» Species Margaron (Margaritana) hildrethiana (I. Lea, 1834) accepted as Simpsonaias ambigua (Say, 1825)
» Species Margaron (Margaritana) holstonia (I. Lea, 1838) accepted as Lasmigona holstonia (I. Lea, 1838) (recombination)
» Species Margaron (Margaritana) margaritifera (Linnaeus, 1758) accepted as Margaritifera margaritifera (Linnaeus, 1758)
» Species Margaron (Margaritana) marginata (Say, 1818) accepted as Alasmidonta marginata Say, 1818
» Species Margaron (Margaritana) minor (I. Lea, 1843) accepted as Toxolasma paulum (I. Lea, 1840)
» Species Margaron (Margaritana) quadrata (I. Lea, 1861) accepted as Lasmigona subviridis (Conrad, 1835)
» Species Margaron (Margaritana) radiata (Conrad, 1834) accepted as Anodontoides radiatus (Conrad, 1834) accepted as Strophitus radiatus (Conrad, 1834)
» Species Margaron (Margaritana) raveneliana (I. Lea, 1834) accepted as Alasmidonta raveneliana (I. Lea, 1834)
» Species Margaron (Margaritana) rugosa (Barnes, 1823) accepted as Quadrula quadrula (Rafinesque, 1820)
» Species Margaron (Margaritana) spillmanii (I. Lea, 1858) accepted as Strophitus subvexus (Conrad, 1834) accepted as Pseudodontoideus subvexus (Conrad, 1834)
» Species Margaron (Margaritana) tombigbeensis ("I. Lea, 1862") accepted as Strophitus subvexus (Conrad, 1834) accepted as Pseudodontoideus subvexus (Conrad, 1834) (incorrect subsequent spelling )
» Species Margaron (Margaritana) triangulata (I. Lea, 1858) accepted as Alasmidonta triangulata (I. Lea, 1858)
» Species Margaron (Margaritana) undulata (Say, 1817) accepted as Alasmidonta undulata (Say, 1817)
» Species Margaron (Unio) abacus (Haldeman, 1842) accepted as Ptychobranchus fasciolaris (Rafinesque, 1820)
» Species Margaron (Unio) abbevillensis (I. Lea, 1857) accepted as Elliptio complanata ([Lightfoot], 1786)
» Species Margaron (Unio) aberrans (I. Lea, 1863) accepted as Elliptio complanata ([Lightfoot], 1786)
» Species Margaron (Unio) aberti (Conrad, 1850) accepted as Cyprogenia aberti (Conrad, 1850)
» Species Margaron (Unio) acutissimus (I. Lea, 1831) accepted as Medionidus acutissimus (I. Lea, 1831)
» Species Margaron (Unio) aequatus (I. Lea, 1857) accepted as Elliptio icterina (Conrad, 1834)
» Species Margaron (Unio) æsopus (Green, 1827) accepted as Plethobasus cyphyus (Rafinesque, 1820)
» Species Margaron (Unio) affinis (I. Lea, 1853) accepted as Lampsilis straminea (Conrad, 1834)
» Species Margaron (Unio) aheneus (I. Lea, 1843) accepted as Elliptio ahenea (I. Lea, 1843) (recombination)
» Species Margaron (Unio) alatus (Say, 1817) accepted as Potamilus alatus (Say, 1817)
» Species Margaron (Unio) altilis (Conrad, 1834) accepted as Hamiota altilis (Conrad, 1834)
» Species Margaron (Unio) amabilis (I. Lea, 1865) accepted as Pleurobema pyriforme (I. Lea, 1857)
» Species Margaron (Unio) amoenus (I. Lea, 1840) accepted as Villosa iris (I. Lea, 1829) accepted as Cambarunio iris (I. Lea, 1829)
» Species Margaron (Unio) amygdalum (I. Lea, 1843) accepted as Villosa amygdalum (I. Lea, 1843) (recombination)
» Species Margaron (Unio) anaticulus (I. Lea, 1861) accepted as Pleurobema decisum (I. Lea, 1831)
» Species Margaron (Unio) angustatus (I. Lea, 1831) accepted as Elliptio angustata (I. Lea, 1831) (recombination)
» Species Margaron (Unio) anodontoides (I. Lea, 1831) accepted as Lampsilis teres (Rafinesque, 1820) (recombination)
» Species Margaron (Unio) anthonyi (I. Lea, 1861) accepted as Elliptio monroensis (I. Lea, 1843)
» Species Margaron (Unio) apicinus (I. Lea, 1857) accepted as Villosa lienosa (Conrad, 1834) accepted as Leaunio lienosus lienosus (Conrad, 1834)
» Species Margaron (Unio) apiculatus (Say, 1829) accepted as Quadrula apiculata (Say, 1829) accepted as Quadrula quadrula (Rafinesque, 1820)
» Species Margaron (Unio) approximus (I. Lea, 1845) accepted as Lampsilis hydiana (I. Lea, 1838)
» Species Margaron (Unio) aquilus (I. Lea, 1857) accepted as Elliptio pullata (I. Lea, 1857)
» Species Margaron (Unio) arcaeformis (I. Lea, 1831) accepted as Epioblasma arcaeformis (I. Lea, 1831) (recombination)
» Species Margaron (Unio) arctatus (Conrad, 1834) accepted as Elliptio arctata (Conrad, 1834)
» Species Margaron (Unio) arctior (I. Lea, 1839) accepted as Eurynia dilatata (Rafinesque, 1820)
» Species Margaron (Unio) arcus (Conrad, 1834) accepted as Elliptio arca (Conrad, 1834)
» Species Margaron (Unio) argenteus (I. Lea, 1841) accepted as Pleurobema oviforme (Conrad, 1834)
» Species Margaron (Unio) arkansasensis (I. Lea, 1862) accepted as Obovaria arkansasensis (I. Lea, 1862)
» Species Margaron (Unio) asper (I. Lea, 1831) accepted as Quadrula apiculata (Say, 1829) accepted as Quadrula quadrula (Rafinesque, 1820) (recombination)
» Species Margaron (Unio) asperatus (I. Lea, 1861) accepted as Rotundaria asperata (I. Lea, 1861) accepted as Cyclonaias asperata (I. Lea, 1861) accepted as Cyclonaias kieneriana (I. Lea, 1852)
» Species Margaron (Unio) asperrimus (I. Lea, 1831) accepted as Quadrula quadrula (Rafinesque, 1820) (recombination)
» Species Margaron (Unio) atrocostatus (I. Lea, 1845) accepted as Amblema plicata (Say, 1817)
» Species Margaron (Unio) atromarginatus (I. Lea, 1840) accepted as Elliptoideus sloatianus (I. Lea, 1840)
» Species Margaron (Unio) aureus (I. Lea, 1859) accepted as Rotundaria aurea (I. Lea, 1859) accepted as Cyclonaias aurea (I. Lea, 1859) accepted as Cyclonaias pustulosa (I. Lea, 1831)
» Species Margaron (Unio) bairdianus (I. Lea, 1857) accepted as Toxolasma texasiense (I. Lea, 1857)
» Species Margaron (Unio) baldwinensis (I. Lea, 1859) accepted as Elliptio complanata ([Lightfoot], 1786)
» Species Margaron (Unio) barnesianus (I. Lea, 1838) accepted as Pleuronaia barnesiana (I. Lea, 1838) (recombination)
» Species Margaron (Unio) barrattii (I. Lea, 1853) accepted as Elliptio icterina (Conrad, 1834)
» Species Margaron (Unio) beadleianus (I. Lea, 1861) accepted as Pleurobema beadleianum (I. Lea, 1861)
» Species Margaron (Unio) bealei (I. Lea, 1863) accepted as Pyganodon grandis (Say, 1829)
» Species Margaron (Unio) beaverensis (I. Lea, 1868) accepted as Elliptio complanata ([Lightfoot], 1786)
» Species Margaron (Unio) berlandierii (I. Lea, 1857) accepted as Cyrtonaias tampicoensis (I. Lea, 1838)
» Species Margaron (Unio) biangularis (I. Lea, 1840) accepted as Ortmanniana pectorosa (Conrad, 1834)
» Species Margaron (Unio) biemarginatus (I. Lea, 1857) accepted as Epioblasma biemarginata (I. Lea, 1857)
» Species Margaron (Unio) bigbyensis (I. Lea, 1841) accepted as Pleuronaia barnesiana (I. Lea, 1838)
» Species Margaron (Unio) bisselianus (I. Lea, 1867) accepted as Uniomerus carolinianus (Bosc, 1801)
» Species Margaron (Unio) blandianus (I. Lea, 1857) accepted as Quadrula rumphiana (I. Lea, 1852) accepted as Quadrula quadrula (Rafinesque, 1820)
» Species Margaron (Unio) blandingianus (I. Lea, 1834) accepted as Uniomerus carolinianus (Bosc, 1801)
» Species Margaron (Unio) bournianus (I. Lea, 1840) accepted as Pleurobema clava (Lamarck, 1819)
» Species Margaron (Unio) boydianus (I. Lea, 1840) accepted as Leptodea ochracea (Say, 1817) accepted as Atlanticoncha ochracea (Say, 1817)
» Species Margaron (Unio) boykinianus (I. Lea, 1840) accepted as Megalonaias nervosa (Rafinesque, 1820)
» Species Margaron (Unio) bracteatus (Gould, 1855) accepted as Lampsilis bracteata (A. Gould, 1855)
» Species Margaron (Unio) brazosensis (I. Lea, 1868) accepted as Amblema plicata (Say, 1817)
» Species Margaron (Unio) brevidens (I. Lea, 1831) accepted as Epioblasma brevidens (I. Lea, 1831) (recombination)
» Species Margaron (Unio) brumbyanus (I. Lea, 1841) accepted as Ptychobranchus greenii (Conrad, 1834)
» Species Margaron (Unio) buckleyi (I. Lea, 1843) accepted as Elliptio jayensis (I. Lea, 1838)
» Species Margaron (Unio) buddianus (I. Lea, 1843) accepted as Elliptio jayensis (I. Lea, 1838)
» Species Margaron (Unio) bulbosus (I. Lea, 1857) accepted as Pleurobema pyriforme (I. Lea, 1857)
» Species Margaron (Unio) burkensis (I. Lea, 1859) accepted as Elliptio complanata ([Lightfoot], 1786)
» Species Margaron (Unio) buxeus (I. Lea, 1852) accepted as Elliptio congaraea (I. Lea, 1831)
» Species Margaron (Unio) cacao (I. Lea, 1859) accepted as Rotundaria succissa (I. Lea, 1852) accepted as Cyclonaias succissa (I. Lea, 1852)
» Species Margaron (Unio) caelatus (Conrad, 1834) accepted as Lemiox rimosus (Rafinesque, 1831)
» Species Margaron (Unio) caliginosus (I. Lea, 1845) accepted as Leaunio lienosus caliginosus (I. Lea, 1845) (unaccepted > superseded combination)
» Species Margaron (Unio) camelopardilis (I. Lea, 1860) accepted as Villosa taeniata (Conrad, 1834) accepted as Cambarunio taeniatus taeniatus (Conrad, 1834)
» Species Margaron (Unio) camelus (I. Lea, 1834) accepted as Ptychobranchus fasciolaris (Rafinesque, 1820)
» Species Margaron (Unio) camptodon (Say, 1832) accepted as Uniomerus tetralasmus (Say, 1831)
» Species Margaron (Unio) canadensis (I. Lea, 1857) accepted as Lampsilis cardium Rafinesque, 1820
» Species Margaron (Unio) capax (Green, 1832) accepted as Potamilus capax (Green, 1832)
» Species Margaron (Unio) caperatus (I. Lea, 1845) accepted as Dromus dromas (I. Lea, 1834)
» Species Margaron (Unio) capsaeformis (I. Lea, 1834) accepted as Epioblasma capsaeformis (I. Lea, 1834) (recombination)
» Species Margaron (Unio) cariosus (Say, 1817) accepted as Lampsilis cariosa (Say, 1817) (unaccepted > superseded combination)
» Species Margaron (Unio) castaneus (I. Lea, 1831) accepted as Obovaria arkansasensis (I. Lea, 1862)
» Species Margaron (Unio) castus (I. Lea, 1860) accepted as Fusconaia masoni (Conrad, 1834)
» Species Margaron (Unio) catawbensis (I. Lea, 1857) accepted as Elliptio complanata ([Lightfoot], 1786)
» Species Margaron (Unio) charlottensis (I. Lea, 1863) accepted as Lasmigona decorata (I. Lea, 1852)
» Species Margaron (Unio) chathamensis (I. Lea, 1863) accepted as Elliptio complanata ([Lightfoot], 1786)
» Species Margaron (Unio) chattanoogaensis (I. Lea, 1858) accepted as Pleurobema decisum (I. Lea, 1831)
» Species Margaron (Unio) chickasawhensis (I. Lea, 1861) accepted as Pleurobema beadleianum (I. Lea, 1861)
» Species Margaron (Unio) chunii (I. Lea, 1862) accepted as Fusconaia flava (Rafinesque, 1820)
» Species Margaron (Unio) cicur (I. Lea, 1861) accepted as Uniomerus carolinianus (Bosc, 1801)
» Species Margaron (Unio) cincinnatiensis (I. Lea, 1840) accepted as Epioblasma cincinnatiensis (I. Lea, 1840)
» Species Margaron (Unio) cinnamomicus (I. Lea, 1861) accepted as Pleurobema perovatum (Conrad, 1834)
» Species Margaron (Unio) circulus (I. Lea, 1829) accepted as Obovaria subrotunda Rafinesque, 1820 (recombination)
» Species Margaron (Unio) cistellaeformis (I. Lea, 1863) accepted as Elliptio cistellaeformis (I. Lea, 1863)
» Species Margaron (Unio) claibornensis (I. Lea, 1839) accepted as Lampsilis straminea (Conrad, 1834)
» Species Margaron (Unio) clarkianus (I. Lea, 1852) accepted as Hamiota altilis (Conrad, 1834)
» Species Margaron (Unio) clavus (Lamarck, 1819) accepted as Pleurobema clava (Lamarck, 1819) (incorrect gender ending, species epithet is a noun)
» Species Margaron (Unio) clinchensis (I. Lea, 1867) accepted as Pleurobema oviforme (Conrad, 1834)
» Species Margaron (Unio) coccineus (Conrad, 1836) accepted as Pleurobema sintoxia (Rafinesque, 1820)
» Species Margaron (Unio) cognatus (I. Lea, 1860) accepted as Truncilla cognata (I. Lea, 1860)
» Species Margaron (Unio) collinus (Conrad, 1837) accepted as Pleurobema collina (Conrad, 1837) accepted as Parvaspina collina (Conrad, 1837) (recombination)
» Species Margaron (Unio) coloradoensis (I. Lea, 1856) accepted as Potamilus purpuratus (Lamarck, 1819)
» Species Margaron (Unio) columbensis (I. Lea, 1857) accepted as Uniomerus columbensis (I. Lea, 1857)
» Species Margaron (Unio) compactus (I. Lea, 1859) accepted as Epioblasma metastriata (Conrad, 1838)
» Species Margaron (Unio) complanata (Barnes, 1823) accepted as Lasmigona complanata (Barnes, 1823)
» Species Margaron (Unio) complanatus ([Lightfoot], 1786) accepted as Elliptio complanata ([Lightfoot], 1786)
» Species Margaron (Unio) compressissimus (I. Lea, 1845) accepted as Ptychobranchus fasciolaris (Rafinesque, 1820)
» Species Margaron (Unio) concavus (I. Lea, 1852) accepted as Villosa delumbis (Conrad, 1834)
» Species Margaron (Unio) concestator (I. Lea, 1857) accepted as Villosa lienosa (Conrad, 1834) accepted as Leaunio lienosus lienosus (Conrad, 1834)
» Species Margaron (Unio) concolor (I. Lea, 1861) (unaccepted)
» Species Margaron (Unio) confertus (I. Lea, 1834) (unaccepted, recombination)
» Species Margaron (Unio) congaræus (I. Lea, 1831) (unaccepted, recombination)
» Species Margaron (Unio) conradicus (I. Lea, 1834) (unaccepted, recombination)
» Species Margaron (Unio) consanguineus (I. Lea, 1861) (unaccepted)
» Species Margaron (Unio) constrictus (Conrad, 1838) (unaccepted)
» Species Margaron (Unio) contiguus (I. Lea, 1862) (unaccepted)
» Species Margaron (Unio) contractus (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) cooperianus (I. Lea, 1834) (unaccepted, recombination)
» Species Margaron (Unio) copei (I. Lea, 1868) (unaccepted)
» Species Margaron (Unio) cor (Conrad, 1834) (unaccepted)
» Species Margaron (Unio) cornutus (Barnes, 1823) (unaccepted)
» Species Margaron (Unio) coruscus (A. Gould, 1856) (unaccepted, junior synonym)
» Species Margaron (Unio) corvinus (I. Lea, 1868) (unaccepted)
» Species Margaron (Unio) corvunculus (I. Lea, 1868) (unaccepted)
» Species Margaron (Unio) corvus (I. Lea, 1859) (unaccepted)
» Species Margaron (Unio) couchianus (I. Lea, 1860) (unaccepted)
» Species Margaron (Unio) crapulus (I. Lea, 1861) (unaccepted)
» Species Margaron (Unio) crassidens (Lamarck, 1819) (unaccepted)
» Species Margaron (Unio) crebrivittatus (I. Lea, 1861) (unaccepted)
» Species Margaron (Unio) creperus (I. Lea, 1838) (unaccepted, recombination)
» Species Margaron (Unio) crocatus (I. Lea, 1841) (unaccepted)
» Species Margaron (Unio) cromwellii (I. Lea, 1865) (unaccepted)
» Species Margaron (Unio) cumberlandianus I. Lea, 1852 (unaccepted, replacement name for Unio cumberlandicus "Chenu")
» Species Margaron (Unio) cumberlandicus (I. Lea, 1838) (unaccepted)
» Species Margaron (Unio) cuneolus (I. Lea, 1840) (unaccepted)
» Species Margaron (Unio) curatus (I. Lea, 1863) (unaccepted)
» Species Margaron (Unio) curtus (I. Lea, 1859) (unaccepted)
» Species Margaron (Unio) cuvierianus (I. Lea, 1853) (unaccepted)
» Species Margaron (Unio) cylindrellus (I. Lea, 1868) (unaccepted)
» Species Margaron (Unio) cylindricus (Say, 1817) (unaccepted)
» Species Margaron (Unio) dactylus (I. Lea, 1840) (unaccepted)
» Species Margaron (Unio) dariensis (I. Lea, 1842) (unaccepted, recombination)
» Species Margaron (Unio) datus (I. Lea, 1868) (unaccepted)
» Species Margaron (Unio) decisus (I. Lea, 1831) (unaccepted)
» Species Margaron (Unio) declivis (Say, 1831) (unaccepted)
» Species Margaron (Unio) decoratus (I. Lea, 1852) (unaccepted)
» Species Margaron (Unio) decumbens (I. Lea, 1861) (unaccepted)
» Species Margaron (Unio) demeraraensis I. Lea, 1870 (unaccepted, unjustified emendation of Unio demararaensis I. Lea, 1859)
» Species Margaron (Unio) denigratus (I. Lea, 1852) (unaccepted)
» Species Margaron (Unio) deviatus (Reeve, 1864) (unaccepted)
» Species Margaron (Unio) difficilis (I. Lea, 1868) (unaccepted)
» Species Margaron (Unio) discrepans (I. Lea, 1860) (unaccepted)
» Species Margaron (Unio) dispar (I. Lea, 1860) (unaccepted)
» Species Margaron (Unio) dolabelloides (I. Lea, 1840) (unaccepted)
» Species Margaron (Unio) dolabraeformis (I. Lea, 1838) (unaccepted)
» Species Margaron (Unio) doliaris (I. Lea, 1865) (unaccepted)
» Species Margaron (Unio) dolosus (I. Lea, 1860) (unaccepted)
» Species Margaron (Unio) donaciformis (I. Lea, 1827) (unaccepted, recombination)
» Species Margaron (Unio) dorfeuillianus (I. Lea, 1838) (unaccepted, recombination)
» Species Margaron (Unio) dorsatus (I. Lea, 1868) (unaccepted)
» Species Margaron (Unio) downiei (I. Lea, 1858) (unaccepted)
» Species Margaron (Unio) dromas (I. Lea, 1834) (unaccepted, recombination)
» Species Margaron (Unio) duttonianus (I. Lea, 1841) (unaccepted)
» Species Margaron (Unio) ebenus (I. Lea, 1831) (unaccepted, recombination)
» Species Margaron (Unio) edgarianus (I. Lea, 1840) (unaccepted)
» Species Margaron (Unio) eightsii (I. Lea, 1860) (unaccepted)
» Species Margaron (Unio) elegans (I. Lea, 1831) (unaccepted, recombination)
» Species Margaron (Unio) elliottii (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) ellipsis (I. Lea, 1827) (unaccepted, recombination)
» Species Margaron (Unio) emmonsii (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) errans (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) estabrookianus (I. Lea, 1845) (unaccepted)
» Species Margaron (Unio) exactus (I. Lea, 1858) (unaccepted)
» Species Margaron (Unio) excavatus (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) exiguus (I. Lea, 1840) (unaccepted)
» Species Margaron (Unio) extensus (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) fabaceus (I. Lea, 1861) (unaccepted)
» Species Margaron (Unio) fabalis (I. Lea, 1831) (unaccepted)
» Species Margaron (Unio) fallax (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) fassinans (I. Lea, 1868) (unaccepted)
» Species Margaron (Unio) fatuus (I. Lea, 1840) (unaccepted)
» Species Margaron (Unio) favosus (I. Lea, 1856) (unaccepted)
» Species Margaron (Unio) fibuloides (I. Lea, 1859) (unaccepted)
» Species Margaron (Unio) fisherianus (I. Lea, 1838) (unaccepted, recombination)
» Species Margaron (Unio) flavescens (I. Lea, 1845) (unaccepted)
» Species Margaron (Unio) flavidulus (I. Lea, 1861) (unaccepted)
» Species Margaron (Unio) florentinus (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) floridensis (I. Lea, 1852) (unaccepted)
» Species Margaron (Unio) foliatus (Hildreth, 1828) (unaccepted)
» Species Margaron (Unio) folliculatus (I. Lea, 1838) (unaccepted, recombination)
» Species Margaron (Unio) forbesianus (I. Lea, 1852) (unaccepted)
» Species Margaron (Unio) foremanianus (I. Lea, 1842) (unaccepted, recombination)
» Species Margaron (Unio) forsheyi (I. Lea, 1859) (unaccepted)
» Species Margaron (Unio) fragosus (Conrad, 1835) (unaccepted)
» Species Margaron (Unio) fraternus (I. Lea, 1852) (unaccepted)
» Species Margaron (Unio) fucatus (I. Lea, 1860) (unaccepted)
» Species Margaron (Unio) fulgidus (I. Lea, 1845) (unaccepted)
» Species Margaron (Unio) fuliginosus (I. Lea, 1845) (unaccepted)
» Species Margaron (Unio) fulvus (I. Lea, 1834) (unaccepted, recombination)
» Species Margaron (Unio) fumatus (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) fuscatus (I. Lea, 1843) (unaccepted, recombination)
» Species Margaron (Unio) gastonensis (I. Lea, 1863) (unaccepted)
» Species Margaron (Unio) geddingsianus (I. Lea, 1840) (unaccepted)
» Species Margaron (Unio) geminus (I. Lea, 1856) (unaccepted)
» Species Margaron (Unio) genthii (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) genuinus (I. Lea, 1868) (unaccepted)
» Species Margaron (Unio) georgianus (I. Lea, 1841) (unaccepted)
» Species Margaron (Unio) gerhardtii (I. Lea, 1862) (unaccepted)
» Species Margaron (Unio) germanus (I. Lea, 1861) (unaccepted)
» Species Margaron (Unio) gibber (I. Lea, 1838) (unaccepted, recombination)
» Species Margaron (Unio) gibbesianus (I. Lea, 1852) (unaccepted)
» Species Margaron (Unio) gibbosus (Barnes, 1823) (unaccepted)
» Species Margaron (Unio) gigas (Swainson, 1824) (unaccepted)
» Species Margaron (Unio) glaber (I. Lea, 1838) (unaccepted, recombination)
» Species Margaron (Unio) glandaceus (I. Lea, 1861) (unaccepted)
» Species Margaron (Unio) glans (I. Lea, 1831) (unaccepted, recombination)
» Species Margaron (Unio) gouldii (I. Lea, 1845) (unaccepted)
» Species Margaron (Unio) gracilentus (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) gracilior (I. Lea, 1856) (unaccepted)
» Species Margaron (Unio) gracilis (Barnes, 1823) (unaccepted)
» Species Margaron (Unio) graniferus (I. Lea, 1839) (unaccepted)
» Species Margaron (Unio) granulatus (I. Lea, 1861) (unaccepted)
» Species Margaron (Unio) greenii (Conrad, 1834) (unaccepted)
» Species Margaron (Unio) griffithianus (I. Lea, 1834) (unaccepted, recombination)
» Species Margaron (Unio) haleianus (I. Lea, 1842) (unaccepted)
» Species Margaron (Unio) hallenbeckii (I. Lea, 1858) (unaccepted)
» Species Margaron (Unio) hanleyianus (I. Lea, 1852) (unaccepted)
» Species Margaron (Unio) hartmanianus (I. Lea, 1860) (unaccepted)
» Species Margaron (Unio) haysianus (I. Lea, 1834) (unaccepted, recombination)
» Species Margaron (Unio) hazelhurstianus (I. Lea, 1858) (unaccepted)
» Species Margaron (Unio) hazlehurstianus (I. Lea, 1858) (unaccepted)
» Species Margaron (Unio) hebes (I. Lea, 1852) (unaccepted)
» Species Margaron (Unio) hebetatus (Conrad, 1854) (unaccepted)
» Species Margaron (Unio) heermannii (I. Lea, 1862) (unaccepted)
» Species Margaron (Unio) hembeli (Conrad, 1838) (unaccepted)
» Species Margaron (Unio) hepaticus (I. Lea, 1859) (unaccepted > junior subjective synonym)
» Species Margaron (Unio) heterodon (I. Lea, 1829) (unaccepted, recombination)
» Species Margaron (Unio) higginsii (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) hippopoeus (I. Lea, 1845) (unaccepted)
» Species Margaron (Unio) holstonensis (I. Lea, 1840) (unaccepted)
» Species Margaron (Unio) hopetonensis (I. Lea, 1838) (unaccepted, recombination)
» Species Margaron (Unio) houstonensis (I. Lea, 1859) (unaccepted)
» Species Margaron (Unio) humerosus (I. Lea, 1868) (unaccepted)
» Species Margaron (Unio) hyalinus (I. Lea, 1845) (unaccepted)
» Species Margaron (Unio) hydianus (I. Lea, 1838) (unaccepted, recombination)
» Species Margaron (Unio) incrassatus (I. Lea, 1840) (unaccepted)
» Species Margaron (Unio) indefinitus (I. Lea, 1863) (unaccepted)
» Species Margaron (Unio) ineptus (I. Lea, 1852) (unaccepted)
» Species Margaron (Unio) inflatus (I. Lea, 1831) (unaccepted)
» Species Margaron (Unio) infucatus (Conrad, 1834) (unaccepted)
» Species Margaron (Unio) instructus (I. Lea, 1861) (unaccepted)
» Species Margaron (Unio) insulsus (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) intercedens (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) intermedius (Conrad, 1836) (unaccepted)
» Species Margaron (Unio) interruptus (I. Lea, 1838) (unaccepted)
» Species Margaron (Unio) interventus (I. Lea, 1861) (unaccepted)
» Species Margaron (Unio) inusitatis (I. Lea, 1859) (unaccepted)
» Species Margaron (Unio) iris (I. Lea, 1829) (unaccepted, recombination)
» Species Margaron (Unio) irrasus (I. Lea, 1861) (unaccepted)
» Species Margaron (Unio) irroratus (I. Lea, 1827) (unaccepted, recombination)
» Species Margaron (Unio) jamesianus (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) jayensis (I. Lea, 1838) (unaccepted, recombination)
» Species Margaron (Unio) jejunus (I. Lea, 1838) (unaccepted, recombination)
» Species Margaron (Unio) jewettii (I. Lea, 1867) (unaccepted)
» Species Margaron (Unio) johannis (I. Lea, 1859) (unaccepted)
» Species Margaron (Unio) jonesii (van der Schalie, 1934) (unaccepted)
» Species Margaron (Unio) kienerianus (I. Lea, 1852) (unaccepted)
» Species Margaron (Unio) kirtlandianus (I. Lea, 1834) (unaccepted, recombination)
» Species Margaron (Unio) kleinianus (I. Lea, 1852) (unaccepted)
» Species Margaron (Unio) lacrymosus (I. Lea, 1827) (unaccepted, recombination)
» Species Margaron (Unio) lævissimus (I. Lea, 1829) (unaccepted, recombination)
» Species Margaron (Unio) lamarckianus (I. Lea, 1852) (unaccepted)
» Species Margaron (Unio) lanceolatus (I. Lea, 1827) (unaccepted)
» Species Margaron (Unio) latecostatus (I. Lea, 1845) (unaccepted)
» Species Margaron (Unio) latus (I. Lea, 1859) (unaccepted)
» Species Margaron (Unio) lazarus (I. Lea, 1853) (unaccepted)
» Species Margaron (Unio) lecontianus (I. Lea, 1838) (unaccepted, recombination)
» Species Margaron (Unio) leibii (I. Lea, 1862) (unaccepted)
» Species Margaron (Unio) lenior (I. Lea, 1842) (unaccepted, recombination)
» Species Margaron (Unio) lens (I. Lea, 1831) (unaccepted, recombination)
» Species Margaron (Unio) lepidus (Gould, 1856) (unaccepted)
» Species Margaron (Unio) lesleyi (I. Lea, 1860) (unaccepted)
» Species Margaron (Unio) lesueurianus (I. Lea, 1840) (unaccepted)
» Species Margaron (Unio) lewisii (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) lienosus (Conrad, 1834) (unaccepted)
» Species Margaron (Unio) ligamentinus (Lamarck, 1819) (unaccepted)
» Species Margaron (Unio) limatulus (Conrad, 1849) (unaccepted)
» Species Margaron (Unio) lincecumii (I. Lea, 1868) (unaccepted)
» Species Margaron (Unio) lindsleyi (I. Lea, 1860) (unaccepted)
» Species Margaron (Unio) lineatus (I. Lea, 1840) (unaccepted)
» Species Margaron (Unio) linguaeformis (I. Lea, 1860) (unaccepted)
» Species Margaron (Unio) livingstonensis (I. Lea, 1863) (unaccepted)
» Species Margaron (Unio) lucidus (I. Lea, 1863) (unaccepted)
» Species Margaron (Unio) lugubris (I. Lea, 1838) (unaccepted)
» Species Margaron (Unio) luridus (I. Lea, 1852) (unaccepted)
» Species Margaron (Unio) luteolus (Lamarck, 1819) (unaccepted)
» Species Margaron (Unio) lyonii (I. Lea, 1865) (unaccepted)
» Species Margaron (Unio) macer (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) maconensis (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) macrodon (I. Lea, 1859) (unaccepted)
» Species Margaron (Unio) maculatus (Conrad, 1834) (unaccepted)
» Species Margaron (Unio) manubius (Gould, 1855) (unaccepted)
» Species Margaron (Unio) marginis (I. Lea, 1865) (unaccepted)
» Species Margaron (Unio) masoni (Conrad, 1834) (unaccepted)
» Species Margaron (Unio) mecklenbergensis (I. Lea, 1863) (unaccepted)
» Species Margaron (Unio) mediocris (I. Lea, 1863) (unaccepted)
» Species Margaron (Unio) medius (I. Lea, 1853) (unaccepted)
» Species Margaron (Unio) menkianus (I. Lea, 1838) (unaccepted)
» Species Margaron (Unio) mercerii (I. Lea, 1862) (unaccepted)
» Species Margaron (Unio) meredithii (I. Lea, 1858) (unaccepted)
» Species Margaron (Unio) merus (I. Lea, 1853) (unaccepted)
» Species Margaron (Unio) metanevrus (Rafinesque, 1820) (unaccepted)
» Species Margaron (Unio) micans (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) minor (I. Lea, 1843) (unaccepted, recombination)
» Species Margaron (Unio) mississippiensis (Conrad, 1850) (unaccepted)
» Species Margaron (Unio) modicellus (I. Lea, 1859) (unaccepted)
» Species Margaron (Unio) modicus (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) modioliformis (I. Lea, 1834) (unaccepted)
» Species Margaron (Unio) moestus (I. Lea, 1841) (unaccepted)
» Species Margaron (Unio) monodonta (Say, 1829) (unaccepted)
» Species Margaron (Unio) monroensis (I. Lea, 1843) (unaccepted)
» Species Margaron (Unio) mooresianus (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) moussonianus (I. Lea, 1852) (unaccepted)
» Species Margaron (Unio) muhlfeldianus (I. Lea, 1838) (unaccepted)
» Species Margaron (Unio) multiplicatus (I. Lea, 1831) (unaccepted, recombination)
» Species Margaron (Unio) multiradiatus (I. Lea, 1830) (unaccepted)
» Species Margaron (Unio) mundus (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) murrayensis (I. Lea, 1868) (unaccepted)
» Species Margaron (Unio) mytiloides (Rafinesque, 1820) (unaccepted)
» Species Margaron (Unio) nashvillianus (I. Lea, 1834) (unaccepted)
» Species Margaron (Unio) nasutulus (I. Lea, 1863) (unaccepted)
» Species Margaron (Unio) nasutus (Say, 1817) (unaccepted)
» Species Margaron (Unio) naviculoides (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) negatus (I. Lea, 1861) (unaccepted)
» Species Margaron (Unio) neglectus (I. Lea, 1843) (unaccepted, recombination)
» Species Margaron (Unio) neislerii (I. Lea, 1858) (unaccepted)
» Species Margaron (Unio) neusensis (I. Lea, 1858) (unaccepted)
» Species Margaron (Unio) nigellus (I. Lea, 1852) (unaccepted)
» Species Margaron (Unio) nigerrimus (I. Lea, 1852) (unaccepted > junior subjective synonym)
» Species Margaron (Unio) nigrinus (I. Lea, 1852) (unaccepted)
» Species Margaron (Unio) nitens (I. Lea, 1840) (unaccepted)
» Species Margaron (Unio) northamptonensis (I. Lea, 1862) (unaccepted)
» Species Margaron (Unio) notatus (I. Lea, 1838) (unaccepted)
» Species Margaron (Unio) novieboraci (I. Lea, 1838) (unaccepted, recombination)
» Species Margaron (Unio) nubilus (I. Lea, 1868) (unaccepted)
» Species Margaron (Unio) nucleopsis (Conrad, 1849) (unaccepted)
» Species Margaron (Unio) nux (I. Lea, 1853) (unaccepted)
» Species Margaron (Unio) obesus (I. Lea, 1834) (unaccepted)
» Species Margaron (Unio) obfuscus (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) oblatus (C. T. Simpson, 1914) (unaccepted)
» Species Margaron (Unio) obliquus (Lamarck, 1819) (unaccepted)
» Species Margaron (Unio) obnubilus (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) obscurus (I. Lea, 1838) (unaccepted)
» Species Margaron (Unio) obtusus (I. Lea, 1840) (unaccepted)
» Species Margaron (Unio) occidens (I. Lea, 1829) (unaccepted, recombination)
» Species Margaron (Unio) occidentalis (Conrad, 1836) (unaccepted)
» Species Margaron (Unio) occultus (I. Lea, 1843) (unaccepted, recombination)
» Species Margaron (Unio) ochraceus (Say, 1817) (unaccepted)
» Species Margaron (Unio) ocmulgéensis (I. Lea, 1861) (unaccepted)
» Species Margaron (Unio) opacus (I. Lea, 1852) (unaccepted)
» Species Margaron (Unio) orbiculatus (Hildreth, 1828) (unaccepted)
» Species Margaron (Unio) ornatus (I. Lea, 1861) (unaccepted)
» Species Margaron (Unio) othcaloogensis (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) ovatus (Say, 1817) (unaccepted)
» Species Margaron (Unio) oviformis (Conrad, 1834) (unaccepted)
» Species Margaron (Unio) paliatus (I. Lea, 1836) (unaccepted > nomen nudum)
» Species Margaron (Unio) pallescens (I. Lea, 1845) (unaccepted)
» Species Margaron (Unio) pallidofulvus (I. Lea, 1861) (unaccepted)
» Species Margaron (Unio) paludicolus (Gould, 1845) (unaccepted)
» Species Margaron (Unio) papyraceus (Gould, 1845) (unaccepted)
» Species Margaron (Unio) parvulus (I. Lea, 1860) (unaccepted)
» Species Margaron (Unio) parvus (Barnes, 1823) (unaccepted)
» Species Margaron (Unio) patulus (I. Lea, 1829) (unaccepted, recombination)
» Species Margaron (Unio) paulus (I. Lea, 1840) (unaccepted)
» Species Margaron (Unio) pauperculus (I. Lea, 1861) (unaccepted)
» Species Margaron (Unio) pawensis (I. Lea, 1868) (unaccepted)
» Species Margaron (Unio) pellucidus (I. Lea, 1845) (unaccepted)
» Species Margaron (Unio) penicillatus (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) penitus (Conrad, 1834) (unaccepted)
» Species Margaron (Unio) percoarctatus (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) perdix (I. Lea, 1834) (unaccepted, recombination)
» Species Margaron (Unio) perlatus (I. Lea, 1863) (unaccepted)
» Species Margaron (Unio) perlucens (I. Lea, 1863) (unaccepted)
» Species Margaron (Unio) permiscens (I. Lea, 1859) (unaccepted)
» Species Margaron (Unio) pernodosus (I. Lea, 1845) (unaccepted)
» Species Margaron (Unio) perovalis (Conrad, 1834) (unaccepted)
» Species Margaron (Unio) perovatus (Conrad, 1834) (unaccepted)
» Species Margaron (Unio) perpastus (I. Lea, 1861) (unaccepted)
» Species Margaron (Unio) perpictus (I. Lea, 1860) (unaccepted)
» Species Margaron (Unio) perplexus (I. Lea, 1834) (unaccepted)
» Species Margaron (Unio) perplicatus (Conrad, 1841) (unaccepted)
» Species Margaron (Unio) perpurpureus (I. Lea, 1861) (unaccepted)
» Species Margaron (Unio) perradiatus (I. Lea, 1858) (unaccepted)
» Species Margaron (Unio) personatus (Say, 1829) (unaccepted)
» Species Margaron (Unio) perstriatus (I. Lea, 1853) (unaccepted)
» Species Margaron (Unio) pertenuis (I. Lea, 1863) (unaccepted)
» Species Margaron (Unio) petrinus (Gould, 1855) (unaccepted)
» Species Margaron (Unio) phaseolus (Hildreth, 1828) (unaccepted)
» Species Margaron (Unio) phillipsii (Conrad, 1835) (unaccepted)
» Species Margaron (Unio) pictus (I. Lea, 1834) (unaccepted)
» Species Margaron (Unio) pilaris (I. Lea, 1840) (unaccepted)
» Species Margaron (Unio) pileus (I. Lea, 1831) (unaccepted, recombination)
» Species Margaron (Unio) pinguis (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) placitus (I. Lea, 1853) (unaccepted)
» Species Margaron (Unio) plancus (I. Lea, 1860) (unaccepted)
» Species Margaron (Unio) planicostatus (I. Lea, 1860) (unaccepted)
» Species Margaron (Unio) planilateris (Conrad, 1838) (unaccepted)
» Species Margaron (Unio) planior (I. Lea, 1868) (unaccepted)
» Species Margaron (Unio) plantii (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) plenus (I. Lea, 1840) (unaccepted)
» Species Margaron (Unio) plicatus (Say, 1817) (unaccepted)
» Species Margaron (Unio) popeii (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) porphyreus (I. Lea, 1861) (unaccepted)
» Species Margaron (Unio) postellii (I. Lea, 1858) (unaccepted)
» Species Margaron (Unio) powellii (I. Lea, 1852) (unaccepted)
» Species Margaron (Unio) prattii (I. Lea, 1858) (unaccepted)
» Species Margaron (Unio) pressus (I. Lea, 1842) (unaccepted)
» Species Margaron (Unio) prevostianus (I. Lea, 1852) (unaccepted)
» Species Margaron (Unio) productus (Conrad, 1836) (unaccepted)
» Species Margaron (Unio) propinquus (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) proprius (I. Lea, 1865) (unaccepted)
» Species Margaron (Unio) protensus (I. Lea, 1865) (unaccepted)
» Species Margaron (Unio) proximus (I. Lea, 1852) (unaccepted)
» Species Margaron (Unio) pudicus (I. Lea, 1860) (unaccepted)
» Species Margaron (Unio) pulcher (I. Lea, 1838) (unaccepted)
» Species Margaron (Unio) pullatus (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) pullus (Conrad, 1838) (unaccepted)
» Species Margaron (Unio) pulvinulus (I. Lea, 1845) (unaccepted)
» Species Margaron (Unio) pumilus (I. Lea, 1838) (unaccepted, recombination)
» Species Margaron (Unio) punctatus (I. Lea, 1865) (unaccepted)
» Species Margaron (Unio) puniceus (Haldeman, 1842) (unaccepted)
» Species Margaron (Unio) purpuratus (Lamarck, 1819) (unaccepted)
» Species Margaron (Unio) purpurellus (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) purus (I. Lea, 1858) (unaccepted)
» Species Margaron (Unio) pusillus (Barnes, 1840) (unaccepted)
» Species Margaron (Unio) pustulatus (I. Lea, 1831) (unaccepted, recombination)
» Species Margaron (Unio) pustulosus (I. Lea, 1831) (unaccepted, recombination)
» Species Margaron (Unio) pybasii (I. Lea, 1858) (unaccepted)
» Species Margaron (Unio) pygmaeus (I. Lea, 1852) (unaccepted)
» Species Margaron (Unio) pyramidatus (I. Lea, 1831) (unaccepted, recombination)
» Species Margaron (Unio) pyriformis (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) quadratus (I. Lea, 1859) (unaccepted)
» Species Margaron (Unio) quadrilaterus (I. Lea, 1863) (unaccepted)
» Species Margaron (Unio) radians (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) radiatus (Conrad, 1834) (unaccepted)
» Species Margaron (Unio) raeensis (I. Lea, 1859) (unaccepted)
» Species Margaron (Unio) raleighensis (I. Lea, 1863) (unaccepted)
» Species Margaron (Unio) rangianus (I. Lea, 1838) (unaccepted, recombination)
» Species Margaron (Unio) ravenelianus (I. Lea, 1834) (unaccepted)
» Species Margaron (Unio) rectus (Lamarck, 1819) (unaccepted)
» Species Margaron (Unio) reeveianus (I. Lea, 1852) (unaccepted)
» Species Margaron (Unio) refulgens (I. Lea, 1868) (unaccepted)
» Species Margaron (Unio) regularis (I. Lea, 1841) (unaccepted)
» Species Margaron (Unio) retusus (Lamarck, 1819) (unaccepted)
» Species Margaron (Unio) riddellii (I. Lea, 1862) (unaccepted)
» Species Margaron (Unio) roanokensis (I. Lea, 1838) (unaccepted, recombination)
» Species Margaron (Unio) rostraeformis (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) rostrum (I. Lea, 1862) (unaccepted)
» Species Margaron (Unio) roswellensis (I. Lea, 1858) (unaccepted)
» Species Margaron (Unio) rotundatus (Lamarck, 1819) (unaccepted)
» Species Margaron (Unio) rubellinus (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) rubellus (Conrad, 1834) (unaccepted)
» Species Margaron (Unio) rubidus (I. Lea, 1861) (unaccepted)
» Species Margaron (Unio) rubiginosus (I. Lea, 1829) (unaccepted, recombination)
» Species Margaron (Unio) rufus (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) rufusculus (I. Lea, 1852) (unaccepted)
» Species Margaron (Unio) rumphianus (I. Lea, 1852) (unaccepted)
» Species Margaron (Unio) rutersvillensis (I. Lea, 1859) (unaccepted)
» Species Margaron (Unio) rutilans (I. Lea, 1856) (unaccepted)
» Species Margaron (Unio) sagittiformis (I. Lea, 1853) (unaccepted)
» Species Margaron (Unio) salebrosus (I. Lea, 1859) (unaccepted)
» Species Margaron (Unio) sampsonii (I. Lea, 1862) (unaccepted)
» Species Margaron (Unio) satillaensis (I. Lea, 1858) (unaccepted)
» Species Margaron (Unio) satur (I. Lea, 1852) (unaccepted)
» Species Margaron (Unio) savannahensis (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) saxeus (Conrad, 1838) (unaccepted)
» Species Margaron (Unio) schoolcraftensis (I. Lea, 1834) (unaccepted, recombination)
» Species Margaron (Unio) scitulus (I. Lea, 1860) (unaccepted)
» Species Margaron (Unio) securis (I. Lea, 1829) (unaccepted, recombination)
» Species Margaron (Unio) shepardianus (I. Lea, 1834) (unaccepted, recombination)
» Species Margaron (Unio) showalterii (I. Lea, 1860) (unaccepted)
» Species Margaron (Unio) similis (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) simplex (I. Lea, 1845) (unaccepted)
» Species Margaron (Unio) simus (I. Lea, 1838) (unaccepted, recombination)
» Species Margaron (Unio) sloatianus (I. Lea, 1840) (unaccepted)
» Species Margaron (Unio) solidus (I. Lea, 1838) (unaccepted, recombination)
» Species Margaron (Unio) sordidus (I. Lea, 1852) (unaccepted)
» Species Margaron (Unio) sowerbianus (I. Lea, 1834) (unaccepted, recombination)
» Species Margaron (Unio) spadiceus (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) sparsus (I. Lea, 1841) (unaccepted)
» Species Margaron (Unio) sparus (I. Lea, 1841) (unaccepted)
» Species Margaron (Unio) spatulatus (I. Lea, 1845) (unaccepted)
» Species Margaron (Unio) speciosus (I. Lea, 1862) (unaccepted)
» Species Margaron (Unio) sphaericus (I. Lea, 1868) (unaccepted)
» Species Margaron (Unio) spillmanii (I. Lea, 1858) (unaccepted)
» Species Margaron (Unio) spinosus (I. Lea, 1836) (unaccepted, recombination)
» Species Margaron (Unio) spissus (I. Lea, 1859) (unaccepted)
» Species Margaron (Unio) splendidus (I. Lea, 1838) (unaccepted, recombination)
» Species Margaron (Unio) squalidus (I. Lea, 1863) (unaccepted)
» Species Margaron (Unio) squameus (I. Lea, 1862) (unaccepted)
» Species Margaron (Unio) stabilis (I. Lea, 1861) (unaccepted)
» Species Margaron (Unio) stagnalis (Conrad, 1849) (unaccepted)
» Species Margaron (Unio) stapes (I. Lea, 1831) (unaccepted, recombination)
» Species Margaron (Unio) stewardsonii (I. Lea, 1852) (unaccepted)
» Species Margaron (Unio) stonensis (I. Lea, 1840) (unaccepted)
» Species Margaron (Unio) stramineus (Conrad, 1834) (unaccepted)
» Species Margaron (Unio) striatulus (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) striatus (I. Lea, 1840) (unaccepted)
» Species Margaron (Unio) strigosus (I. Lea, 1840) (unaccepted)
» Species Margaron (Unio) subangulatus (I. Lea, 1840) (unaccepted)
» Species Margaron (Unio) subellipsis (I. Lea, 1856) (unaccepted)
» Species Margaron (Unio) subflavus (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) subgibbosus (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) subinflatus (Conrad, 1835) (unaccepted)
» Species Margaron (Unio) sublatus (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) subniger (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) subovatus (I. Lea, 1831) (unaccepted, recombination)
» Species Margaron (Unio) subplanus (Conrad, 1837) (unaccepted)
» Species Margaron (Unio) subrotundus (I. Lea, 1831) (unaccepted, recombination)
» Species Margaron (Unio) subtentus (Say, 1825) (unaccepted)
» Species Margaron (Unio) succissus (I. Lea, 1852) (unaccepted)
» Species Margaron (Unio) sudus (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) sulcatus (I. Lea, 1829) (unaccepted, recombination)
» Species Margaron (Unio) swainsoni (G. B. Sowerby II, 1868) (unaccepted)
» Species Margaron (Unio) symmetricus (I. Lea, 1845) (unaccepted)
» Species Margaron (Unio) taitianus (I. Lea, 1834) (unaccepted, recombination)
» Species Margaron (Unio) tampicoensis (I. Lea, 1838) (unaccepted, recombination)
» Species Margaron (Unio) tappanianus (I. Lea, 1838) (unaccepted, recombination)
» Species Margaron (Unio) tecomatensis (I. Lea, 1841) (unaccepted)
» Species Margaron (Unio) tenebricus (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) tener (I. Lea, 1840) (unaccepted)
» Species Margaron (Unio) tenerus (C. T. Simpson, 1892) (unaccepted > junior subjective synonym)
» Species Margaron (Unio) tennesseensis (I. Lea, 1840) (unaccepted)
» Species Margaron (Unio) tenuissimus (I. Lea, 1829) (unaccepted, recombination)
» Species Margaron (Unio) tesserulae (I. Lea, 1862) (unaccepted)
» Species Margaron (Unio) tetralasmus (Say, 1831) (unaccepted)
» Species Margaron (Unio) tetricus (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) texasensis (I. Lea, 1857) (unaccepted, incorrect subsequent spelling)
» Species Margaron (Unio) thorntonii (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) topekaensis (I. Lea, 1868) (unaccepted)
» Species Margaron (Unio) tortivus (I. Lea, 1840) (unaccepted)
» Species Margaron (Unio) trapezoides (I. Lea, 1831) (unaccepted, recombination)
» Species Margaron (Unio) triangularis (Barnes, 1823) (unaccepted)
» Species Margaron (Unio) trigonus (I. Lea, 1831) (unaccepted, recombination)
» Species Margaron (Unio) trinacrus (I. Lea, 1861) (unaccepted)
» Species Margaron (Unio) troostensis (I. Lea, 1834) (unaccepted, recombination)
» Species Margaron (Unio) troschelianus (I. Lea, 1853) (unaccepted)
» Species Margaron (Unio) trossulus (I. Lea, 1843) (unaccepted)
» Species Margaron (Unio) tuberculatus (Barnes, 1823) (unaccepted)
» Species Margaron (Unio) tuberosus (I. Lea, 1840) (unaccepted)
» Species Margaron (Unio) tumescens (I. Lea, 1845) (unaccepted)
» Species Margaron (Unio) tuomeyi (I. Lea, 1852) (unaccepted)
» Species Margaron (Unio) turgidus (I. Lea, 1838) (unaccepted, recombination)
» Species Margaron (Unio) uhareensis (I. Lea, 1868) (unaccepted)
» Species Margaron (Unio) umbrans (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) undulatus (Barnes, 1823) (unaccepted)
» Species Margaron (Unio) unicolor (I. Lea, 1845) (unaccepted)
» Species Margaron (Unio) utriculus (I. Lea, 1845) (unaccepted)
» Species Margaron (Unio) vallatus (I. Lea, 1868) (unaccepted)
» Species Margaron (Unio) vanuxemensis (I. Lea, 1838) (unaccepted, recombination)
» Species Margaron (Unio) varicosus (I. Lea, 1834) (unaccepted)
» Species Margaron (Unio) vaughanianus (I. Lea, 1838) (unaccepted, recombination)
» Species Margaron (Unio) ventricosus (Barnes, 1823) (unaccepted)
» Species Margaron (Unio) venustus (I. Lea, 1838) (unaccepted, recombination)
» Species Margaron (Unio) verrucosus (Barnes, 1823) (unaccepted)
» Species Margaron (Unio) versus I. Lea, 1870 (unaccepted, junior synonym)
» Species Margaron (Unio) verus (I. Lea, 1861) (unaccepted)
» Species Margaron (Unio) verutus (I. Lea, 1859) (unaccepted)
» Species Margaron (Unio) vestitus (I. Lea, 1862) (unaccepted)
» Species Margaron (Unio) vibex (Conrad, 1834) (unaccepted)
» Species Margaron (Unio) vicinus (I. Lea, 1856) (unaccepted)
» Species Margaron (Unio) virens (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) virescens (I. Lea, 1858) (unaccepted)
» Species Margaron (Unio) viridans (I. Lea, 1859) (unaccepted)
» Species Margaron (Unio) viridicatus (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) viridiradiatus (I. Lea, 1859) (unaccepted)
» Species Margaron (Unio) viridulus (I. Lea, 1863) (unaccepted)
» Species Margaron (Unio) waccamawensis (I. Lea, 1863) (unaccepted)
» Species Margaron (Unio) wardii (I. Lea, 1862) (unaccepted)
» Species Margaron (Unio) watereensis (I. Lea, 1836) (unaccepted, recombination)
» Species Margaron (Unio) weldonensis (I. Lea, 1863) (unaccepted)
» Species Margaron (Unio) whiteianus (I. Lea, 1852) (unaccepted)
» Species Margaron (Unio) woodwardius (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) zeiglerianus (I. Lea, 1838) (unaccepted)
» Species Margaron (Unio) zigzag (I. Lea, 1829) (unaccepted, recombination)
Species Margaron benedictii (I. Lea, 1867) accepted as Pyganodon grandis (Say, 1829)» Species Margaron (Unio) abbevillensis (I. Lea, 1857) accepted as Elliptio complanata ([Lightfoot], 1786)
» Species Margaron (Unio) aberrans (I. Lea, 1863) accepted as Elliptio complanata ([Lightfoot], 1786)
» Species Margaron (Unio) aberti (Conrad, 1850) accepted as Cyprogenia aberti (Conrad, 1850)
» Species Margaron (Unio) acutissimus (I. Lea, 1831) accepted as Medionidus acutissimus (I. Lea, 1831)
» Species Margaron (Unio) aequatus (I. Lea, 1857) accepted as Elliptio icterina (Conrad, 1834)
» Species Margaron (Unio) æsopus (Green, 1827) accepted as Plethobasus cyphyus (Rafinesque, 1820)
» Species Margaron (Unio) affinis (I. Lea, 1853) accepted as Lampsilis straminea (Conrad, 1834)
» Species Margaron (Unio) aheneus (I. Lea, 1843) accepted as Elliptio ahenea (I. Lea, 1843) (recombination)
» Species Margaron (Unio) alatus (Say, 1817) accepted as Potamilus alatus (Say, 1817)
» Species Margaron (Unio) altilis (Conrad, 1834) accepted as Hamiota altilis (Conrad, 1834)
» Species Margaron (Unio) amabilis (I. Lea, 1865) accepted as Pleurobema pyriforme (I. Lea, 1857)
» Species Margaron (Unio) amoenus (I. Lea, 1840) accepted as Villosa iris (I. Lea, 1829) accepted as Cambarunio iris (I. Lea, 1829)
» Species Margaron (Unio) amygdalum (I. Lea, 1843) accepted as Villosa amygdalum (I. Lea, 1843) (recombination)
» Species Margaron (Unio) anaticulus (I. Lea, 1861) accepted as Pleurobema decisum (I. Lea, 1831)
» Species Margaron (Unio) angustatus (I. Lea, 1831) accepted as Elliptio angustata (I. Lea, 1831) (recombination)
» Species Margaron (Unio) anodontoides (I. Lea, 1831) accepted as Lampsilis teres (Rafinesque, 1820) (recombination)
» Species Margaron (Unio) anthonyi (I. Lea, 1861) accepted as Elliptio monroensis (I. Lea, 1843)
» Species Margaron (Unio) apicinus (I. Lea, 1857) accepted as Villosa lienosa (Conrad, 1834) accepted as Leaunio lienosus lienosus (Conrad, 1834)
» Species Margaron (Unio) apiculatus (Say, 1829) accepted as Quadrula apiculata (Say, 1829) accepted as Quadrula quadrula (Rafinesque, 1820)
» Species Margaron (Unio) approximus (I. Lea, 1845) accepted as Lampsilis hydiana (I. Lea, 1838)
» Species Margaron (Unio) aquilus (I. Lea, 1857) accepted as Elliptio pullata (I. Lea, 1857)
» Species Margaron (Unio) arcaeformis (I. Lea, 1831) accepted as Epioblasma arcaeformis (I. Lea, 1831) (recombination)
» Species Margaron (Unio) arctatus (Conrad, 1834) accepted as Elliptio arctata (Conrad, 1834)
» Species Margaron (Unio) arctior (I. Lea, 1839) accepted as Eurynia dilatata (Rafinesque, 1820)
» Species Margaron (Unio) arcus (Conrad, 1834) accepted as Elliptio arca (Conrad, 1834)
» Species Margaron (Unio) argenteus (I. Lea, 1841) accepted as Pleurobema oviforme (Conrad, 1834)
» Species Margaron (Unio) arkansasensis (I. Lea, 1862) accepted as Obovaria arkansasensis (I. Lea, 1862)
» Species Margaron (Unio) asper (I. Lea, 1831) accepted as Quadrula apiculata (Say, 1829) accepted as Quadrula quadrula (Rafinesque, 1820) (recombination)
» Species Margaron (Unio) asperatus (I. Lea, 1861) accepted as Rotundaria asperata (I. Lea, 1861) accepted as Cyclonaias asperata (I. Lea, 1861) accepted as Cyclonaias kieneriana (I. Lea, 1852)
» Species Margaron (Unio) asperrimus (I. Lea, 1831) accepted as Quadrula quadrula (Rafinesque, 1820) (recombination)
» Species Margaron (Unio) atrocostatus (I. Lea, 1845) accepted as Amblema plicata (Say, 1817)
» Species Margaron (Unio) atromarginatus (I. Lea, 1840) accepted as Elliptoideus sloatianus (I. Lea, 1840)
» Species Margaron (Unio) aureus (I. Lea, 1859) accepted as Rotundaria aurea (I. Lea, 1859) accepted as Cyclonaias aurea (I. Lea, 1859) accepted as Cyclonaias pustulosa (I. Lea, 1831)
» Species Margaron (Unio) bairdianus (I. Lea, 1857) accepted as Toxolasma texasiense (I. Lea, 1857)
» Species Margaron (Unio) baldwinensis (I. Lea, 1859) accepted as Elliptio complanata ([Lightfoot], 1786)
» Species Margaron (Unio) barnesianus (I. Lea, 1838) accepted as Pleuronaia barnesiana (I. Lea, 1838) (recombination)
» Species Margaron (Unio) barrattii (I. Lea, 1853) accepted as Elliptio icterina (Conrad, 1834)
» Species Margaron (Unio) beadleianus (I. Lea, 1861) accepted as Pleurobema beadleianum (I. Lea, 1861)
» Species Margaron (Unio) bealei (I. Lea, 1863) accepted as Pyganodon grandis (Say, 1829)
» Species Margaron (Unio) beaverensis (I. Lea, 1868) accepted as Elliptio complanata ([Lightfoot], 1786)
» Species Margaron (Unio) berlandierii (I. Lea, 1857) accepted as Cyrtonaias tampicoensis (I. Lea, 1838)
» Species Margaron (Unio) biangularis (I. Lea, 1840) accepted as Ortmanniana pectorosa (Conrad, 1834)
» Species Margaron (Unio) biemarginatus (I. Lea, 1857) accepted as Epioblasma biemarginata (I. Lea, 1857)
» Species Margaron (Unio) bigbyensis (I. Lea, 1841) accepted as Pleuronaia barnesiana (I. Lea, 1838)
» Species Margaron (Unio) bisselianus (I. Lea, 1867) accepted as Uniomerus carolinianus (Bosc, 1801)
» Species Margaron (Unio) blandianus (I. Lea, 1857) accepted as Quadrula rumphiana (I. Lea, 1852) accepted as Quadrula quadrula (Rafinesque, 1820)
» Species Margaron (Unio) blandingianus (I. Lea, 1834) accepted as Uniomerus carolinianus (Bosc, 1801)
» Species Margaron (Unio) bournianus (I. Lea, 1840) accepted as Pleurobema clava (Lamarck, 1819)
» Species Margaron (Unio) boydianus (I. Lea, 1840) accepted as Leptodea ochracea (Say, 1817) accepted as Atlanticoncha ochracea (Say, 1817)
» Species Margaron (Unio) boykinianus (I. Lea, 1840) accepted as Megalonaias nervosa (Rafinesque, 1820)
» Species Margaron (Unio) bracteatus (Gould, 1855) accepted as Lampsilis bracteata (A. Gould, 1855)
» Species Margaron (Unio) brazosensis (I. Lea, 1868) accepted as Amblema plicata (Say, 1817)
» Species Margaron (Unio) brevidens (I. Lea, 1831) accepted as Epioblasma brevidens (I. Lea, 1831) (recombination)
» Species Margaron (Unio) brumbyanus (I. Lea, 1841) accepted as Ptychobranchus greenii (Conrad, 1834)
» Species Margaron (Unio) buckleyi (I. Lea, 1843) accepted as Elliptio jayensis (I. Lea, 1838)
» Species Margaron (Unio) buddianus (I. Lea, 1843) accepted as Elliptio jayensis (I. Lea, 1838)
» Species Margaron (Unio) bulbosus (I. Lea, 1857) accepted as Pleurobema pyriforme (I. Lea, 1857)
» Species Margaron (Unio) burkensis (I. Lea, 1859) accepted as Elliptio complanata ([Lightfoot], 1786)
» Species Margaron (Unio) buxeus (I. Lea, 1852) accepted as Elliptio congaraea (I. Lea, 1831)
» Species Margaron (Unio) cacao (I. Lea, 1859) accepted as Rotundaria succissa (I. Lea, 1852) accepted as Cyclonaias succissa (I. Lea, 1852)
» Species Margaron (Unio) caelatus (Conrad, 1834) accepted as Lemiox rimosus (Rafinesque, 1831)
» Species Margaron (Unio) caliginosus (I. Lea, 1845) accepted as Leaunio lienosus caliginosus (I. Lea, 1845) (unaccepted > superseded combination)
» Species Margaron (Unio) camelopardilis (I. Lea, 1860) accepted as Villosa taeniata (Conrad, 1834) accepted as Cambarunio taeniatus taeniatus (Conrad, 1834)
» Species Margaron (Unio) camelus (I. Lea, 1834) accepted as Ptychobranchus fasciolaris (Rafinesque, 1820)
» Species Margaron (Unio) camptodon (Say, 1832) accepted as Uniomerus tetralasmus (Say, 1831)
» Species Margaron (Unio) canadensis (I. Lea, 1857) accepted as Lampsilis cardium Rafinesque, 1820
» Species Margaron (Unio) capax (Green, 1832) accepted as Potamilus capax (Green, 1832)
» Species Margaron (Unio) caperatus (I. Lea, 1845) accepted as Dromus dromas (I. Lea, 1834)
» Species Margaron (Unio) capsaeformis (I. Lea, 1834) accepted as Epioblasma capsaeformis (I. Lea, 1834) (recombination)
» Species Margaron (Unio) cariosus (Say, 1817) accepted as Lampsilis cariosa (Say, 1817) (unaccepted > superseded combination)
» Species Margaron (Unio) castaneus (I. Lea, 1831) accepted as Obovaria arkansasensis (I. Lea, 1862)
» Species Margaron (Unio) castus (I. Lea, 1860) accepted as Fusconaia masoni (Conrad, 1834)
» Species Margaron (Unio) catawbensis (I. Lea, 1857) accepted as Elliptio complanata ([Lightfoot], 1786)
» Species Margaron (Unio) charlottensis (I. Lea, 1863) accepted as Lasmigona decorata (I. Lea, 1852)
» Species Margaron (Unio) chathamensis (I. Lea, 1863) accepted as Elliptio complanata ([Lightfoot], 1786)
» Species Margaron (Unio) chattanoogaensis (I. Lea, 1858) accepted as Pleurobema decisum (I. Lea, 1831)
» Species Margaron (Unio) chickasawhensis (I. Lea, 1861) accepted as Pleurobema beadleianum (I. Lea, 1861)
» Species Margaron (Unio) chunii (I. Lea, 1862) accepted as Fusconaia flava (Rafinesque, 1820)
» Species Margaron (Unio) cicur (I. Lea, 1861) accepted as Uniomerus carolinianus (Bosc, 1801)
» Species Margaron (Unio) cincinnatiensis (I. Lea, 1840) accepted as Epioblasma cincinnatiensis (I. Lea, 1840)
» Species Margaron (Unio) cinnamomicus (I. Lea, 1861) accepted as Pleurobema perovatum (Conrad, 1834)
» Species Margaron (Unio) circulus (I. Lea, 1829) accepted as Obovaria subrotunda Rafinesque, 1820 (recombination)
» Species Margaron (Unio) cistellaeformis (I. Lea, 1863) accepted as Elliptio cistellaeformis (I. Lea, 1863)
» Species Margaron (Unio) claibornensis (I. Lea, 1839) accepted as Lampsilis straminea (Conrad, 1834)
» Species Margaron (Unio) clarkianus (I. Lea, 1852) accepted as Hamiota altilis (Conrad, 1834)
» Species Margaron (Unio) clavus (Lamarck, 1819) accepted as Pleurobema clava (Lamarck, 1819) (incorrect gender ending, species epithet is a noun)
» Species Margaron (Unio) clinchensis (I. Lea, 1867) accepted as Pleurobema oviforme (Conrad, 1834)
» Species Margaron (Unio) coccineus (Conrad, 1836) accepted as Pleurobema sintoxia (Rafinesque, 1820)
» Species Margaron (Unio) cognatus (I. Lea, 1860) accepted as Truncilla cognata (I. Lea, 1860)
» Species Margaron (Unio) collinus (Conrad, 1837) accepted as Pleurobema collina (Conrad, 1837) accepted as Parvaspina collina (Conrad, 1837) (recombination)
» Species Margaron (Unio) coloradoensis (I. Lea, 1856) accepted as Potamilus purpuratus (Lamarck, 1819)
» Species Margaron (Unio) columbensis (I. Lea, 1857) accepted as Uniomerus columbensis (I. Lea, 1857)
» Species Margaron (Unio) compactus (I. Lea, 1859) accepted as Epioblasma metastriata (Conrad, 1838)
» Species Margaron (Unio) complanata (Barnes, 1823) accepted as Lasmigona complanata (Barnes, 1823)
» Species Margaron (Unio) complanatus ([Lightfoot], 1786) accepted as Elliptio complanata ([Lightfoot], 1786)
» Species Margaron (Unio) compressissimus (I. Lea, 1845) accepted as Ptychobranchus fasciolaris (Rafinesque, 1820)
» Species Margaron (Unio) concavus (I. Lea, 1852) accepted as Villosa delumbis (Conrad, 1834)
» Species Margaron (Unio) concestator (I. Lea, 1857) accepted as Villosa lienosa (Conrad, 1834) accepted as Leaunio lienosus lienosus (Conrad, 1834)
» Species Margaron (Unio) concolor (I. Lea, 1861) (unaccepted)
» Species Margaron (Unio) confertus (I. Lea, 1834) (unaccepted, recombination)
» Species Margaron (Unio) congaræus (I. Lea, 1831) (unaccepted, recombination)
» Species Margaron (Unio) conradicus (I. Lea, 1834) (unaccepted, recombination)
» Species Margaron (Unio) consanguineus (I. Lea, 1861) (unaccepted)
» Species Margaron (Unio) constrictus (Conrad, 1838) (unaccepted)
» Species Margaron (Unio) contiguus (I. Lea, 1862) (unaccepted)
» Species Margaron (Unio) contractus (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) cooperianus (I. Lea, 1834) (unaccepted, recombination)
» Species Margaron (Unio) copei (I. Lea, 1868) (unaccepted)
» Species Margaron (Unio) cor (Conrad, 1834) (unaccepted)
» Species Margaron (Unio) cornutus (Barnes, 1823) (unaccepted)
» Species Margaron (Unio) coruscus (A. Gould, 1856) (unaccepted, junior synonym)
» Species Margaron (Unio) corvinus (I. Lea, 1868) (unaccepted)
» Species Margaron (Unio) corvunculus (I. Lea, 1868) (unaccepted)
» Species Margaron (Unio) corvus (I. Lea, 1859) (unaccepted)
» Species Margaron (Unio) couchianus (I. Lea, 1860) (unaccepted)
» Species Margaron (Unio) crapulus (I. Lea, 1861) (unaccepted)
» Species Margaron (Unio) crassidens (Lamarck, 1819) (unaccepted)
» Species Margaron (Unio) crebrivittatus (I. Lea, 1861) (unaccepted)
» Species Margaron (Unio) creperus (I. Lea, 1838) (unaccepted, recombination)
» Species Margaron (Unio) crocatus (I. Lea, 1841) (unaccepted)
» Species Margaron (Unio) cromwellii (I. Lea, 1865) (unaccepted)
» Species Margaron (Unio) cumberlandianus I. Lea, 1852 (unaccepted, replacement name for Unio cumberlandicus "Chenu")
» Species Margaron (Unio) cumberlandicus (I. Lea, 1838) (unaccepted)
» Species Margaron (Unio) cuneolus (I. Lea, 1840) (unaccepted)
» Species Margaron (Unio) curatus (I. Lea, 1863) (unaccepted)
» Species Margaron (Unio) curtus (I. Lea, 1859) (unaccepted)
» Species Margaron (Unio) cuvierianus (I. Lea, 1853) (unaccepted)
» Species Margaron (Unio) cylindrellus (I. Lea, 1868) (unaccepted)
» Species Margaron (Unio) cylindricus (Say, 1817) (unaccepted)
» Species Margaron (Unio) dactylus (I. Lea, 1840) (unaccepted)
» Species Margaron (Unio) dariensis (I. Lea, 1842) (unaccepted, recombination)
» Species Margaron (Unio) datus (I. Lea, 1868) (unaccepted)
» Species Margaron (Unio) decisus (I. Lea, 1831) (unaccepted)
» Species Margaron (Unio) declivis (Say, 1831) (unaccepted)
» Species Margaron (Unio) decoratus (I. Lea, 1852) (unaccepted)
» Species Margaron (Unio) decumbens (I. Lea, 1861) (unaccepted)
» Species Margaron (Unio) demeraraensis I. Lea, 1870 (unaccepted, unjustified emendation of Unio demararaensis I. Lea, 1859)
» Species Margaron (Unio) denigratus (I. Lea, 1852) (unaccepted)
» Species Margaron (Unio) deviatus (Reeve, 1864) (unaccepted)
» Species Margaron (Unio) difficilis (I. Lea, 1868) (unaccepted)
» Species Margaron (Unio) discrepans (I. Lea, 1860) (unaccepted)
» Species Margaron (Unio) dispar (I. Lea, 1860) (unaccepted)
» Species Margaron (Unio) dolabelloides (I. Lea, 1840) (unaccepted)
» Species Margaron (Unio) dolabraeformis (I. Lea, 1838) (unaccepted)
» Species Margaron (Unio) doliaris (I. Lea, 1865) (unaccepted)
» Species Margaron (Unio) dolosus (I. Lea, 1860) (unaccepted)
» Species Margaron (Unio) donaciformis (I. Lea, 1827) (unaccepted, recombination)
» Species Margaron (Unio) dorfeuillianus (I. Lea, 1838) (unaccepted, recombination)
» Species Margaron (Unio) dorsatus (I. Lea, 1868) (unaccepted)
» Species Margaron (Unio) downiei (I. Lea, 1858) (unaccepted)
» Species Margaron (Unio) dromas (I. Lea, 1834) (unaccepted, recombination)
» Species Margaron (Unio) duttonianus (I. Lea, 1841) (unaccepted)
» Species Margaron (Unio) ebenus (I. Lea, 1831) (unaccepted, recombination)
» Species Margaron (Unio) edgarianus (I. Lea, 1840) (unaccepted)
» Species Margaron (Unio) eightsii (I. Lea, 1860) (unaccepted)
» Species Margaron (Unio) elegans (I. Lea, 1831) (unaccepted, recombination)
» Species Margaron (Unio) elliottii (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) ellipsis (I. Lea, 1827) (unaccepted, recombination)
» Species Margaron (Unio) emmonsii (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) errans (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) estabrookianus (I. Lea, 1845) (unaccepted)
» Species Margaron (Unio) exactus (I. Lea, 1858) (unaccepted)
» Species Margaron (Unio) excavatus (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) exiguus (I. Lea, 1840) (unaccepted)
» Species Margaron (Unio) extensus (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) fabaceus (I. Lea, 1861) (unaccepted)
» Species Margaron (Unio) fabalis (I. Lea, 1831) (unaccepted)
» Species Margaron (Unio) fallax (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) fassinans (I. Lea, 1868) (unaccepted)
» Species Margaron (Unio) fatuus (I. Lea, 1840) (unaccepted)
» Species Margaron (Unio) favosus (I. Lea, 1856) (unaccepted)
» Species Margaron (Unio) fibuloides (I. Lea, 1859) (unaccepted)
» Species Margaron (Unio) fisherianus (I. Lea, 1838) (unaccepted, recombination)
» Species Margaron (Unio) flavescens (I. Lea, 1845) (unaccepted)
» Species Margaron (Unio) flavidulus (I. Lea, 1861) (unaccepted)
» Species Margaron (Unio) florentinus (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) floridensis (I. Lea, 1852) (unaccepted)
» Species Margaron (Unio) foliatus (Hildreth, 1828) (unaccepted)
» Species Margaron (Unio) folliculatus (I. Lea, 1838) (unaccepted, recombination)
» Species Margaron (Unio) forbesianus (I. Lea, 1852) (unaccepted)
» Species Margaron (Unio) foremanianus (I. Lea, 1842) (unaccepted, recombination)
» Species Margaron (Unio) forsheyi (I. Lea, 1859) (unaccepted)
» Species Margaron (Unio) fragosus (Conrad, 1835) (unaccepted)
» Species Margaron (Unio) fraternus (I. Lea, 1852) (unaccepted)
» Species Margaron (Unio) fucatus (I. Lea, 1860) (unaccepted)
» Species Margaron (Unio) fulgidus (I. Lea, 1845) (unaccepted)
» Species Margaron (Unio) fuliginosus (I. Lea, 1845) (unaccepted)
» Species Margaron (Unio) fulvus (I. Lea, 1834) (unaccepted, recombination)
» Species Margaron (Unio) fumatus (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) fuscatus (I. Lea, 1843) (unaccepted, recombination)
» Species Margaron (Unio) gastonensis (I. Lea, 1863) (unaccepted)
» Species Margaron (Unio) geddingsianus (I. Lea, 1840) (unaccepted)
» Species Margaron (Unio) geminus (I. Lea, 1856) (unaccepted)
» Species Margaron (Unio) genthii (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) genuinus (I. Lea, 1868) (unaccepted)
» Species Margaron (Unio) georgianus (I. Lea, 1841) (unaccepted)
» Species Margaron (Unio) gerhardtii (I. Lea, 1862) (unaccepted)
» Species Margaron (Unio) germanus (I. Lea, 1861) (unaccepted)
» Species Margaron (Unio) gibber (I. Lea, 1838) (unaccepted, recombination)
» Species Margaron (Unio) gibbesianus (I. Lea, 1852) (unaccepted)
» Species Margaron (Unio) gibbosus (Barnes, 1823) (unaccepted)
» Species Margaron (Unio) gigas (Swainson, 1824) (unaccepted)
» Species Margaron (Unio) glaber (I. Lea, 1838) (unaccepted, recombination)
» Species Margaron (Unio) glandaceus (I. Lea, 1861) (unaccepted)
» Species Margaron (Unio) glans (I. Lea, 1831) (unaccepted, recombination)
» Species Margaron (Unio) gouldii (I. Lea, 1845) (unaccepted)
» Species Margaron (Unio) gracilentus (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) gracilior (I. Lea, 1856) (unaccepted)
» Species Margaron (Unio) gracilis (Barnes, 1823) (unaccepted)
» Species Margaron (Unio) graniferus (I. Lea, 1839) (unaccepted)
» Species Margaron (Unio) granulatus (I. Lea, 1861) (unaccepted)
» Species Margaron (Unio) greenii (Conrad, 1834) (unaccepted)
» Species Margaron (Unio) griffithianus (I. Lea, 1834) (unaccepted, recombination)
» Species Margaron (Unio) haleianus (I. Lea, 1842) (unaccepted)
» Species Margaron (Unio) hallenbeckii (I. Lea, 1858) (unaccepted)
» Species Margaron (Unio) hanleyianus (I. Lea, 1852) (unaccepted)
» Species Margaron (Unio) hartmanianus (I. Lea, 1860) (unaccepted)
» Species Margaron (Unio) haysianus (I. Lea, 1834) (unaccepted, recombination)
» Species Margaron (Unio) hazelhurstianus (I. Lea, 1858) (unaccepted)
» Species Margaron (Unio) hazlehurstianus (I. Lea, 1858) (unaccepted)
» Species Margaron (Unio) hebes (I. Lea, 1852) (unaccepted)
» Species Margaron (Unio) hebetatus (Conrad, 1854) (unaccepted)
» Species Margaron (Unio) heermannii (I. Lea, 1862) (unaccepted)
» Species Margaron (Unio) hembeli (Conrad, 1838) (unaccepted)
» Species Margaron (Unio) hepaticus (I. Lea, 1859) (unaccepted > junior subjective synonym)
» Species Margaron (Unio) heterodon (I. Lea, 1829) (unaccepted, recombination)
» Species Margaron (Unio) higginsii (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) hippopoeus (I. Lea, 1845) (unaccepted)
» Species Margaron (Unio) holstonensis (I. Lea, 1840) (unaccepted)
» Species Margaron (Unio) hopetonensis (I. Lea, 1838) (unaccepted, recombination)
» Species Margaron (Unio) houstonensis (I. Lea, 1859) (unaccepted)
» Species Margaron (Unio) humerosus (I. Lea, 1868) (unaccepted)
» Species Margaron (Unio) hyalinus (I. Lea, 1845) (unaccepted)
» Species Margaron (Unio) hydianus (I. Lea, 1838) (unaccepted, recombination)
» Species Margaron (Unio) incrassatus (I. Lea, 1840) (unaccepted)
» Species Margaron (Unio) indefinitus (I. Lea, 1863) (unaccepted)
» Species Margaron (Unio) ineptus (I. Lea, 1852) (unaccepted)
» Species Margaron (Unio) inflatus (I. Lea, 1831) (unaccepted)
» Species Margaron (Unio) infucatus (Conrad, 1834) (unaccepted)
» Species Margaron (Unio) instructus (I. Lea, 1861) (unaccepted)
» Species Margaron (Unio) insulsus (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) intercedens (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) intermedius (Conrad, 1836) (unaccepted)
» Species Margaron (Unio) interruptus (I. Lea, 1838) (unaccepted)
» Species Margaron (Unio) interventus (I. Lea, 1861) (unaccepted)
» Species Margaron (Unio) inusitatis (I. Lea, 1859) (unaccepted)
» Species Margaron (Unio) iris (I. Lea, 1829) (unaccepted, recombination)
» Species Margaron (Unio) irrasus (I. Lea, 1861) (unaccepted)
» Species Margaron (Unio) irroratus (I. Lea, 1827) (unaccepted, recombination)
» Species Margaron (Unio) jamesianus (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) jayensis (I. Lea, 1838) (unaccepted, recombination)
» Species Margaron (Unio) jejunus (I. Lea, 1838) (unaccepted, recombination)
» Species Margaron (Unio) jewettii (I. Lea, 1867) (unaccepted)
» Species Margaron (Unio) johannis (I. Lea, 1859) (unaccepted)
» Species Margaron (Unio) jonesii (van der Schalie, 1934) (unaccepted)
» Species Margaron (Unio) kienerianus (I. Lea, 1852) (unaccepted)
» Species Margaron (Unio) kirtlandianus (I. Lea, 1834) (unaccepted, recombination)
» Species Margaron (Unio) kleinianus (I. Lea, 1852) (unaccepted)
» Species Margaron (Unio) lacrymosus (I. Lea, 1827) (unaccepted, recombination)
» Species Margaron (Unio) lævissimus (I. Lea, 1829) (unaccepted, recombination)
» Species Margaron (Unio) lamarckianus (I. Lea, 1852) (unaccepted)
» Species Margaron (Unio) lanceolatus (I. Lea, 1827) (unaccepted)
» Species Margaron (Unio) latecostatus (I. Lea, 1845) (unaccepted)
» Species Margaron (Unio) latus (I. Lea, 1859) (unaccepted)
» Species Margaron (Unio) lazarus (I. Lea, 1853) (unaccepted)
» Species Margaron (Unio) lecontianus (I. Lea, 1838) (unaccepted, recombination)
» Species Margaron (Unio) leibii (I. Lea, 1862) (unaccepted)
» Species Margaron (Unio) lenior (I. Lea, 1842) (unaccepted, recombination)
» Species Margaron (Unio) lens (I. Lea, 1831) (unaccepted, recombination)
» Species Margaron (Unio) lepidus (Gould, 1856) (unaccepted)
» Species Margaron (Unio) lesleyi (I. Lea, 1860) (unaccepted)
» Species Margaron (Unio) lesueurianus (I. Lea, 1840) (unaccepted)
» Species Margaron (Unio) lewisii (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) lienosus (Conrad, 1834) (unaccepted)
» Species Margaron (Unio) ligamentinus (Lamarck, 1819) (unaccepted)
» Species Margaron (Unio) limatulus (Conrad, 1849) (unaccepted)
» Species Margaron (Unio) lincecumii (I. Lea, 1868) (unaccepted)
» Species Margaron (Unio) lindsleyi (I. Lea, 1860) (unaccepted)
» Species Margaron (Unio) lineatus (I. Lea, 1840) (unaccepted)
» Species Margaron (Unio) linguaeformis (I. Lea, 1860) (unaccepted)
» Species Margaron (Unio) livingstonensis (I. Lea, 1863) (unaccepted)
» Species Margaron (Unio) lucidus (I. Lea, 1863) (unaccepted)
» Species Margaron (Unio) lugubris (I. Lea, 1838) (unaccepted)
» Species Margaron (Unio) luridus (I. Lea, 1852) (unaccepted)
» Species Margaron (Unio) luteolus (Lamarck, 1819) (unaccepted)
» Species Margaron (Unio) lyonii (I. Lea, 1865) (unaccepted)
» Species Margaron (Unio) macer (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) maconensis (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) macrodon (I. Lea, 1859) (unaccepted)
» Species Margaron (Unio) maculatus (Conrad, 1834) (unaccepted)
» Species Margaron (Unio) manubius (Gould, 1855) (unaccepted)
» Species Margaron (Unio) marginis (I. Lea, 1865) (unaccepted)
» Species Margaron (Unio) masoni (Conrad, 1834) (unaccepted)
» Species Margaron (Unio) mecklenbergensis (I. Lea, 1863) (unaccepted)
» Species Margaron (Unio) mediocris (I. Lea, 1863) (unaccepted)
» Species Margaron (Unio) medius (I. Lea, 1853) (unaccepted)
» Species Margaron (Unio) menkianus (I. Lea, 1838) (unaccepted)
» Species Margaron (Unio) mercerii (I. Lea, 1862) (unaccepted)
» Species Margaron (Unio) meredithii (I. Lea, 1858) (unaccepted)
» Species Margaron (Unio) merus (I. Lea, 1853) (unaccepted)
» Species Margaron (Unio) metanevrus (Rafinesque, 1820) (unaccepted)
» Species Margaron (Unio) micans (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) minor (I. Lea, 1843) (unaccepted, recombination)
» Species Margaron (Unio) mississippiensis (Conrad, 1850) (unaccepted)
» Species Margaron (Unio) modicellus (I. Lea, 1859) (unaccepted)
» Species Margaron (Unio) modicus (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) modioliformis (I. Lea, 1834) (unaccepted)
» Species Margaron (Unio) moestus (I. Lea, 1841) (unaccepted)
» Species Margaron (Unio) monodonta (Say, 1829) (unaccepted)
» Species Margaron (Unio) monroensis (I. Lea, 1843) (unaccepted)
» Species Margaron (Unio) mooresianus (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) moussonianus (I. Lea, 1852) (unaccepted)
» Species Margaron (Unio) muhlfeldianus (I. Lea, 1838) (unaccepted)
» Species Margaron (Unio) multiplicatus (I. Lea, 1831) (unaccepted, recombination)
» Species Margaron (Unio) multiradiatus (I. Lea, 1830) (unaccepted)
» Species Margaron (Unio) mundus (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) murrayensis (I. Lea, 1868) (unaccepted)
» Species Margaron (Unio) mytiloides (Rafinesque, 1820) (unaccepted)
» Species Margaron (Unio) nashvillianus (I. Lea, 1834) (unaccepted)
» Species Margaron (Unio) nasutulus (I. Lea, 1863) (unaccepted)
» Species Margaron (Unio) nasutus (Say, 1817) (unaccepted)
» Species Margaron (Unio) naviculoides (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) negatus (I. Lea, 1861) (unaccepted)
» Species Margaron (Unio) neglectus (I. Lea, 1843) (unaccepted, recombination)
» Species Margaron (Unio) neislerii (I. Lea, 1858) (unaccepted)
» Species Margaron (Unio) neusensis (I. Lea, 1858) (unaccepted)
» Species Margaron (Unio) nigellus (I. Lea, 1852) (unaccepted)
» Species Margaron (Unio) nigerrimus (I. Lea, 1852) (unaccepted > junior subjective synonym)
» Species Margaron (Unio) nigrinus (I. Lea, 1852) (unaccepted)
» Species Margaron (Unio) nitens (I. Lea, 1840) (unaccepted)
» Species Margaron (Unio) northamptonensis (I. Lea, 1862) (unaccepted)
» Species Margaron (Unio) notatus (I. Lea, 1838) (unaccepted)
» Species Margaron (Unio) novieboraci (I. Lea, 1838) (unaccepted, recombination)
» Species Margaron (Unio) nubilus (I. Lea, 1868) (unaccepted)
» Species Margaron (Unio) nucleopsis (Conrad, 1849) (unaccepted)
» Species Margaron (Unio) nux (I. Lea, 1853) (unaccepted)
» Species Margaron (Unio) obesus (I. Lea, 1834) (unaccepted)
» Species Margaron (Unio) obfuscus (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) oblatus (C. T. Simpson, 1914) (unaccepted)
» Species Margaron (Unio) obliquus (Lamarck, 1819) (unaccepted)
» Species Margaron (Unio) obnubilus (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) obscurus (I. Lea, 1838) (unaccepted)
» Species Margaron (Unio) obtusus (I. Lea, 1840) (unaccepted)
» Species Margaron (Unio) occidens (I. Lea, 1829) (unaccepted, recombination)
» Species Margaron (Unio) occidentalis (Conrad, 1836) (unaccepted)
» Species Margaron (Unio) occultus (I. Lea, 1843) (unaccepted, recombination)
» Species Margaron (Unio) ochraceus (Say, 1817) (unaccepted)
» Species Margaron (Unio) ocmulgéensis (I. Lea, 1861) (unaccepted)
» Species Margaron (Unio) opacus (I. Lea, 1852) (unaccepted)
» Species Margaron (Unio) orbiculatus (Hildreth, 1828) (unaccepted)
» Species Margaron (Unio) ornatus (I. Lea, 1861) (unaccepted)
» Species Margaron (Unio) othcaloogensis (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) ovatus (Say, 1817) (unaccepted)
» Species Margaron (Unio) oviformis (Conrad, 1834) (unaccepted)
» Species Margaron (Unio) paliatus (I. Lea, 1836) (unaccepted > nomen nudum)
» Species Margaron (Unio) pallescens (I. Lea, 1845) (unaccepted)
» Species Margaron (Unio) pallidofulvus (I. Lea, 1861) (unaccepted)
» Species Margaron (Unio) paludicolus (Gould, 1845) (unaccepted)
» Species Margaron (Unio) papyraceus (Gould, 1845) (unaccepted)
» Species Margaron (Unio) parvulus (I. Lea, 1860) (unaccepted)
» Species Margaron (Unio) parvus (Barnes, 1823) (unaccepted)
» Species Margaron (Unio) patulus (I. Lea, 1829) (unaccepted, recombination)
» Species Margaron (Unio) paulus (I. Lea, 1840) (unaccepted)
» Species Margaron (Unio) pauperculus (I. Lea, 1861) (unaccepted)
» Species Margaron (Unio) pawensis (I. Lea, 1868) (unaccepted)
» Species Margaron (Unio) pellucidus (I. Lea, 1845) (unaccepted)
» Species Margaron (Unio) penicillatus (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) penitus (Conrad, 1834) (unaccepted)
» Species Margaron (Unio) percoarctatus (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) perdix (I. Lea, 1834) (unaccepted, recombination)
» Species Margaron (Unio) perlatus (I. Lea, 1863) (unaccepted)
» Species Margaron (Unio) perlucens (I. Lea, 1863) (unaccepted)
» Species Margaron (Unio) permiscens (I. Lea, 1859) (unaccepted)
» Species Margaron (Unio) pernodosus (I. Lea, 1845) (unaccepted)
» Species Margaron (Unio) perovalis (Conrad, 1834) (unaccepted)
» Species Margaron (Unio) perovatus (Conrad, 1834) (unaccepted)
» Species Margaron (Unio) perpastus (I. Lea, 1861) (unaccepted)
» Species Margaron (Unio) perpictus (I. Lea, 1860) (unaccepted)
» Species Margaron (Unio) perplexus (I. Lea, 1834) (unaccepted)
» Species Margaron (Unio) perplicatus (Conrad, 1841) (unaccepted)
» Species Margaron (Unio) perpurpureus (I. Lea, 1861) (unaccepted)
» Species Margaron (Unio) perradiatus (I. Lea, 1858) (unaccepted)
» Species Margaron (Unio) personatus (Say, 1829) (unaccepted)
» Species Margaron (Unio) perstriatus (I. Lea, 1853) (unaccepted)
» Species Margaron (Unio) pertenuis (I. Lea, 1863) (unaccepted)
» Species Margaron (Unio) petrinus (Gould, 1855) (unaccepted)
» Species Margaron (Unio) phaseolus (Hildreth, 1828) (unaccepted)
» Species Margaron (Unio) phillipsii (Conrad, 1835) (unaccepted)
» Species Margaron (Unio) pictus (I. Lea, 1834) (unaccepted)
» Species Margaron (Unio) pilaris (I. Lea, 1840) (unaccepted)
» Species Margaron (Unio) pileus (I. Lea, 1831) (unaccepted, recombination)
» Species Margaron (Unio) pinguis (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) placitus (I. Lea, 1853) (unaccepted)
» Species Margaron (Unio) plancus (I. Lea, 1860) (unaccepted)
» Species Margaron (Unio) planicostatus (I. Lea, 1860) (unaccepted)
» Species Margaron (Unio) planilateris (Conrad, 1838) (unaccepted)
» Species Margaron (Unio) planior (I. Lea, 1868) (unaccepted)
» Species Margaron (Unio) plantii (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) plenus (I. Lea, 1840) (unaccepted)
» Species Margaron (Unio) plicatus (Say, 1817) (unaccepted)
» Species Margaron (Unio) popeii (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) porphyreus (I. Lea, 1861) (unaccepted)
» Species Margaron (Unio) postellii (I. Lea, 1858) (unaccepted)
» Species Margaron (Unio) powellii (I. Lea, 1852) (unaccepted)
» Species Margaron (Unio) prattii (I. Lea, 1858) (unaccepted)
» Species Margaron (Unio) pressus (I. Lea, 1842) (unaccepted)
» Species Margaron (Unio) prevostianus (I. Lea, 1852) (unaccepted)
» Species Margaron (Unio) productus (Conrad, 1836) (unaccepted)
» Species Margaron (Unio) propinquus (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) proprius (I. Lea, 1865) (unaccepted)
» Species Margaron (Unio) protensus (I. Lea, 1865) (unaccepted)
» Species Margaron (Unio) proximus (I. Lea, 1852) (unaccepted)
» Species Margaron (Unio) pudicus (I. Lea, 1860) (unaccepted)
» Species Margaron (Unio) pulcher (I. Lea, 1838) (unaccepted)
» Species Margaron (Unio) pullatus (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) pullus (Conrad, 1838) (unaccepted)
» Species Margaron (Unio) pulvinulus (I. Lea, 1845) (unaccepted)
» Species Margaron (Unio) pumilus (I. Lea, 1838) (unaccepted, recombination)
» Species Margaron (Unio) punctatus (I. Lea, 1865) (unaccepted)
» Species Margaron (Unio) puniceus (Haldeman, 1842) (unaccepted)
» Species Margaron (Unio) purpuratus (Lamarck, 1819) (unaccepted)
» Species Margaron (Unio) purpurellus (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) purus (I. Lea, 1858) (unaccepted)
» Species Margaron (Unio) pusillus (Barnes, 1840) (unaccepted)
» Species Margaron (Unio) pustulatus (I. Lea, 1831) (unaccepted, recombination)
» Species Margaron (Unio) pustulosus (I. Lea, 1831) (unaccepted, recombination)
» Species Margaron (Unio) pybasii (I. Lea, 1858) (unaccepted)
» Species Margaron (Unio) pygmaeus (I. Lea, 1852) (unaccepted)
» Species Margaron (Unio) pyramidatus (I. Lea, 1831) (unaccepted, recombination)
» Species Margaron (Unio) pyriformis (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) quadratus (I. Lea, 1859) (unaccepted)
» Species Margaron (Unio) quadrilaterus (I. Lea, 1863) (unaccepted)
» Species Margaron (Unio) radians (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) radiatus (Conrad, 1834) (unaccepted)
» Species Margaron (Unio) raeensis (I. Lea, 1859) (unaccepted)
» Species Margaron (Unio) raleighensis (I. Lea, 1863) (unaccepted)
» Species Margaron (Unio) rangianus (I. Lea, 1838) (unaccepted, recombination)
» Species Margaron (Unio) ravenelianus (I. Lea, 1834) (unaccepted)
» Species Margaron (Unio) rectus (Lamarck, 1819) (unaccepted)
» Species Margaron (Unio) reeveianus (I. Lea, 1852) (unaccepted)
» Species Margaron (Unio) refulgens (I. Lea, 1868) (unaccepted)
» Species Margaron (Unio) regularis (I. Lea, 1841) (unaccepted)
» Species Margaron (Unio) retusus (Lamarck, 1819) (unaccepted)
» Species Margaron (Unio) riddellii (I. Lea, 1862) (unaccepted)
» Species Margaron (Unio) roanokensis (I. Lea, 1838) (unaccepted, recombination)
» Species Margaron (Unio) rostraeformis (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) rostrum (I. Lea, 1862) (unaccepted)
» Species Margaron (Unio) roswellensis (I. Lea, 1858) (unaccepted)
» Species Margaron (Unio) rotundatus (Lamarck, 1819) (unaccepted)
» Species Margaron (Unio) rubellinus (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) rubellus (Conrad, 1834) (unaccepted)
» Species Margaron (Unio) rubidus (I. Lea, 1861) (unaccepted)
» Species Margaron (Unio) rubiginosus (I. Lea, 1829) (unaccepted, recombination)
» Species Margaron (Unio) rufus (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) rufusculus (I. Lea, 1852) (unaccepted)
» Species Margaron (Unio) rumphianus (I. Lea, 1852) (unaccepted)
» Species Margaron (Unio) rutersvillensis (I. Lea, 1859) (unaccepted)
» Species Margaron (Unio) rutilans (I. Lea, 1856) (unaccepted)
» Species Margaron (Unio) sagittiformis (I. Lea, 1853) (unaccepted)
» Species Margaron (Unio) salebrosus (I. Lea, 1859) (unaccepted)
» Species Margaron (Unio) sampsonii (I. Lea, 1862) (unaccepted)
» Species Margaron (Unio) satillaensis (I. Lea, 1858) (unaccepted)
» Species Margaron (Unio) satur (I. Lea, 1852) (unaccepted)
» Species Margaron (Unio) savannahensis (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) saxeus (Conrad, 1838) (unaccepted)
» Species Margaron (Unio) schoolcraftensis (I. Lea, 1834) (unaccepted, recombination)
» Species Margaron (Unio) scitulus (I. Lea, 1860) (unaccepted)
» Species Margaron (Unio) securis (I. Lea, 1829) (unaccepted, recombination)
» Species Margaron (Unio) shepardianus (I. Lea, 1834) (unaccepted, recombination)
» Species Margaron (Unio) showalterii (I. Lea, 1860) (unaccepted)
» Species Margaron (Unio) similis (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) simplex (I. Lea, 1845) (unaccepted)
» Species Margaron (Unio) simus (I. Lea, 1838) (unaccepted, recombination)
» Species Margaron (Unio) sloatianus (I. Lea, 1840) (unaccepted)
» Species Margaron (Unio) solidus (I. Lea, 1838) (unaccepted, recombination)
» Species Margaron (Unio) sordidus (I. Lea, 1852) (unaccepted)
» Species Margaron (Unio) sowerbianus (I. Lea, 1834) (unaccepted, recombination)
» Species Margaron (Unio) spadiceus (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) sparsus (I. Lea, 1841) (unaccepted)
» Species Margaron (Unio) sparus (I. Lea, 1841) (unaccepted)
» Species Margaron (Unio) spatulatus (I. Lea, 1845) (unaccepted)
» Species Margaron (Unio) speciosus (I. Lea, 1862) (unaccepted)
» Species Margaron (Unio) sphaericus (I. Lea, 1868) (unaccepted)
» Species Margaron (Unio) spillmanii (I. Lea, 1858) (unaccepted)
» Species Margaron (Unio) spinosus (I. Lea, 1836) (unaccepted, recombination)
» Species Margaron (Unio) spissus (I. Lea, 1859) (unaccepted)
» Species Margaron (Unio) splendidus (I. Lea, 1838) (unaccepted, recombination)
» Species Margaron (Unio) squalidus (I. Lea, 1863) (unaccepted)
» Species Margaron (Unio) squameus (I. Lea, 1862) (unaccepted)
» Species Margaron (Unio) stabilis (I. Lea, 1861) (unaccepted)
» Species Margaron (Unio) stagnalis (Conrad, 1849) (unaccepted)
» Species Margaron (Unio) stapes (I. Lea, 1831) (unaccepted, recombination)
» Species Margaron (Unio) stewardsonii (I. Lea, 1852) (unaccepted)
» Species Margaron (Unio) stonensis (I. Lea, 1840) (unaccepted)
» Species Margaron (Unio) stramineus (Conrad, 1834) (unaccepted)
» Species Margaron (Unio) striatulus (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) striatus (I. Lea, 1840) (unaccepted)
» Species Margaron (Unio) strigosus (I. Lea, 1840) (unaccepted)
» Species Margaron (Unio) subangulatus (I. Lea, 1840) (unaccepted)
» Species Margaron (Unio) subellipsis (I. Lea, 1856) (unaccepted)
» Species Margaron (Unio) subflavus (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) subgibbosus (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) subinflatus (Conrad, 1835) (unaccepted)
» Species Margaron (Unio) sublatus (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) subniger (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) subovatus (I. Lea, 1831) (unaccepted, recombination)
» Species Margaron (Unio) subplanus (Conrad, 1837) (unaccepted)
» Species Margaron (Unio) subrotundus (I. Lea, 1831) (unaccepted, recombination)
» Species Margaron (Unio) subtentus (Say, 1825) (unaccepted)
» Species Margaron (Unio) succissus (I. Lea, 1852) (unaccepted)
» Species Margaron (Unio) sudus (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) sulcatus (I. Lea, 1829) (unaccepted, recombination)
» Species Margaron (Unio) swainsoni (G. B. Sowerby II, 1868) (unaccepted)
» Species Margaron (Unio) symmetricus (I. Lea, 1845) (unaccepted)
» Species Margaron (Unio) taitianus (I. Lea, 1834) (unaccepted, recombination)
» Species Margaron (Unio) tampicoensis (I. Lea, 1838) (unaccepted, recombination)
» Species Margaron (Unio) tappanianus (I. Lea, 1838) (unaccepted, recombination)
» Species Margaron (Unio) tecomatensis (I. Lea, 1841) (unaccepted)
» Species Margaron (Unio) tenebricus (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) tener (I. Lea, 1840) (unaccepted)
» Species Margaron (Unio) tenerus (C. T. Simpson, 1892) (unaccepted > junior subjective synonym)
» Species Margaron (Unio) tennesseensis (I. Lea, 1840) (unaccepted)
» Species Margaron (Unio) tenuissimus (I. Lea, 1829) (unaccepted, recombination)
» Species Margaron (Unio) tesserulae (I. Lea, 1862) (unaccepted)
» Species Margaron (Unio) tetralasmus (Say, 1831) (unaccepted)
» Species Margaron (Unio) tetricus (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) texasensis (I. Lea, 1857) (unaccepted, incorrect subsequent spelling)
» Species Margaron (Unio) thorntonii (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) topekaensis (I. Lea, 1868) (unaccepted)
» Species Margaron (Unio) tortivus (I. Lea, 1840) (unaccepted)
» Species Margaron (Unio) trapezoides (I. Lea, 1831) (unaccepted, recombination)
» Species Margaron (Unio) triangularis (Barnes, 1823) (unaccepted)
» Species Margaron (Unio) trigonus (I. Lea, 1831) (unaccepted, recombination)
» Species Margaron (Unio) trinacrus (I. Lea, 1861) (unaccepted)
» Species Margaron (Unio) troostensis (I. Lea, 1834) (unaccepted, recombination)
» Species Margaron (Unio) troschelianus (I. Lea, 1853) (unaccepted)
» Species Margaron (Unio) trossulus (I. Lea, 1843) (unaccepted)
» Species Margaron (Unio) tuberculatus (Barnes, 1823) (unaccepted)
» Species Margaron (Unio) tuberosus (I. Lea, 1840) (unaccepted)
» Species Margaron (Unio) tumescens (I. Lea, 1845) (unaccepted)
» Species Margaron (Unio) tuomeyi (I. Lea, 1852) (unaccepted)
» Species Margaron (Unio) turgidus (I. Lea, 1838) (unaccepted, recombination)
» Species Margaron (Unio) uhareensis (I. Lea, 1868) (unaccepted)
» Species Margaron (Unio) umbrans (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) undulatus (Barnes, 1823) (unaccepted)
» Species Margaron (Unio) unicolor (I. Lea, 1845) (unaccepted)
» Species Margaron (Unio) utriculus (I. Lea, 1845) (unaccepted)
» Species Margaron (Unio) vallatus (I. Lea, 1868) (unaccepted)
» Species Margaron (Unio) vanuxemensis (I. Lea, 1838) (unaccepted, recombination)
» Species Margaron (Unio) varicosus (I. Lea, 1834) (unaccepted)
» Species Margaron (Unio) vaughanianus (I. Lea, 1838) (unaccepted, recombination)
» Species Margaron (Unio) ventricosus (Barnes, 1823) (unaccepted)
» Species Margaron (Unio) venustus (I. Lea, 1838) (unaccepted, recombination)
» Species Margaron (Unio) verrucosus (Barnes, 1823) (unaccepted)
» Species Margaron (Unio) versus I. Lea, 1870 (unaccepted, junior synonym)
» Species Margaron (Unio) verus (I. Lea, 1861) (unaccepted)
» Species Margaron (Unio) verutus (I. Lea, 1859) (unaccepted)
» Species Margaron (Unio) vestitus (I. Lea, 1862) (unaccepted)
» Species Margaron (Unio) vibex (Conrad, 1834) (unaccepted)
» Species Margaron (Unio) vicinus (I. Lea, 1856) (unaccepted)
» Species Margaron (Unio) virens (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) virescens (I. Lea, 1858) (unaccepted)
» Species Margaron (Unio) viridans (I. Lea, 1859) (unaccepted)
» Species Margaron (Unio) viridicatus (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) viridiradiatus (I. Lea, 1859) (unaccepted)
» Species Margaron (Unio) viridulus (I. Lea, 1863) (unaccepted)
» Species Margaron (Unio) waccamawensis (I. Lea, 1863) (unaccepted)
» Species Margaron (Unio) wardii (I. Lea, 1862) (unaccepted)
» Species Margaron (Unio) watereensis (I. Lea, 1836) (unaccepted, recombination)
» Species Margaron (Unio) weldonensis (I. Lea, 1863) (unaccepted)
» Species Margaron (Unio) whiteianus (I. Lea, 1852) (unaccepted)
» Species Margaron (Unio) woodwardius (I. Lea, 1857) (unaccepted)
» Species Margaron (Unio) zeiglerianus (I. Lea, 1838) (unaccepted)
» Species Margaron (Unio) zigzag (I. Lea, 1829) (unaccepted, recombination)
Species Margaron dimotus I. Lea, 1870 accepted as Lens contradens (I. Lea, 1838) (junior synonym; a replacement name for Unio sumatrensis I. Lea, 1859)
Species Margaron lepidior I. Lea, 1870 accepted as Rhipidodonta charruana (d'Orbigny, 1835) (synonym)
Species Margaron nashvilliensis "I. Lea, 1870" accepted as Unio nashvillianus I. Lea, 1834 accepted as Ligumia subrostrata (Say, 1831) accepted as Sagittunio subrostratus (Say, 1831) (incorrect subsequent spelling, erroneously treated as an emendation)
Species Margaron schoolcraftii "I. Lea, 1870" accepted as Unio schoolcraftensis I. Lea, 1834 accepted as Rotundaria pustulosa (I. Lea, 1831) accepted as Cyclonaias pustulosa (I. Lea, 1831) (incorrect subsequent spelling of Unio schoolcraftensis I. Lea, 1834; not qualifying as an emendation )
recent only
Lea, I. (1852). A Synopsis of the family of naïades. Third edition, greatly enlarged and improved. 44 pp. [1 p. dedication (to George Ord), 1 p. preface, 1 p. contents; 1 p. corrigenda, pp. ix–xx, 17–88]. Carey, Lea & Blanchard, Philadelphia [on or before 21 May 1852]., available online at http://biodiversitylibrary.org/page/32156694
page(s): xvii [details]
page(s): xvii [details]
MolluscaBase eds. (2021). MolluscaBase. Margaron I. Lea, 1852. Accessed at: http://www.molluscabase.org/aphia.php?p=taxdetails&id=857021 on 2023-06-06
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The webpage text is licensed under a Creative Commons Attribution 4.0 License
original description
Lea, I. (1852). A Synopsis of the family of naïades. Third edition, greatly enlarged and improved. 44 pp. [1 p. dedication (to George Ord), 1 p. preface, 1 p. contents; 1 p. corrigenda, pp. ix–xx, 17–88]. Carey, Lea & Blanchard, Philadelphia [on or before 21 May 1852]., available online at http://biodiversitylibrary.org/page/32156694
page(s): xvii [details]
page(s): xvii [details]
