MolluscaBase taxon details
Opisthoporus W. H. Benson, 1851
1030700 (urn:lsid:marinespecies.org:taxname:1030700)
accepted
Genus
Cyclostoma taylorianum L. Pfeiffer, 1851 accepted as Opisthoporus biciliatus (Mousson, 1849) (type by subsequent designation)
Cyclostoma (Opisthophorus) W. H. Benson, 1851 · unaccepted > misspelling - incorrect subsequent spelling (incorrect subsequent spelling and...)
incorrect subsequent spelling and unaccepted rank
Cyclostoma (Opisthoporus) W. H. Benson, 1851 · unaccepted > superseded combination
Cyclotus (Opisthoporus) W. H. Benson, 1851 · unaccepted > superseded combination
Cyclotus (Siphonocyclus) Möllendorff, 1900 · unaccepted > junior subjective synonym
Opisthophorus [sic] · unaccepted > misspelling - incorrect subsequent spelling
Opistoporus [sic] · unaccepted > misspelling - incorrect subsequent spelling
- Species Opisthoporus battambangensis (Thach & F. Huber, 2020)
- Species Opisthoporus beddomei Dautzenberg & H. Fischer, 1908
- Species Opisthoporus bernardii (L. Pfeiffer, 1862)
- Species Opisthoporus bialatus (Möllendorff, 1902)
- Species Opisthoporus biciliatus (Mousson, 1849)
- Species Opisthoporus birostris (L. Pfeiffer, 1855)
- Species Opisthoporus cavernae (Godwin-Austen, 1889)
- Species Opisthoporus celebicus (P. Sarasin & F. Sarasin, 1899)
- Species Opisthoporus corniculus (Mousson, 1849)
- Species Opisthoporus euryomphalus (L. Pfeiffer, 1857)
- Species Opisthoporus grohi (Thach, 2020)
- Species Opisthoporus herosae (Thach & F. Huber, 2017)
- Species Opisthoporus lahatensis (de Morgan, 1886)
- Species Opisthoporus latistrigus (E. von Martens, 1864)
- Species Opisthoporus lubricus Dautzenberg & H. Fischer, 1908
- Species Opisthoporus modestus E. von Martens, 1908
- Species Opisthoporus ngocngai (Thach & F. Huber, 2018)
- Species Opisthoporus ngocthachi (F. Huber, 2020)
- Species Opisthoporus penangensis Stoliczka, 1872
- Species Opisthoporus pertusus (Morelet, 1861)
- Species Opisthoporus quadrasi Hidalgo, 1888
- Species Opisthoporus schmidti E. von Martens, 1908
- Species Opisthoporus serenae Vermeulen & Junau, 2007
- Species Opisthoporus singaporeanus Low & S. K. Tan, 2017
- Species Opisthoporus sumatranus E. von Martens, 1864
- Species Opisthoporus tener (Menke, 1856)
- Species Opisthoporus thorsengi (Thach, 2020)
- Species Opisthoporus thuathienhuensis D. S. Do, T. C. Bui & V. N. Do, 2020
- Species Opisthoporus borealis Möllendorff, 1885 accepted as Cyclotus borealis (Möllendorff, 1885) (original combination)
- Species Opisthoporus borealis Heude, 1886 accepted as Cyclotus (Siphonocyclus) yeni Zilch, 1956 represented as Cyclotus yeni Zilch, 1956 (junior homonym of O. borealis Möllendorff, 1885)
- Species Opisthoporus dautzenbergi Sykes, 1902 accepted as Cyclotus dautzenbergi (Sykes, 1902) (original combination)
- Species Opisthoporus deflexus Möllendorff, 1897 accepted as Cyclotus (Siphonocyclus) yeni Zilch, 1956 represented as Cyclotus yeni Zilch, 1956 (junior homonym of Cyclotus auriculatus deflexa Möllendorff, 1893)
- Species Opisthoporus gordoni W. H. Benson, 1863 accepted as Cyclotus gordoni (W. H. Benson, 1863) (original combination)
- Species Opisthoporus gwendolenae (Godwin-Austen, 1889) accepted as Cyclotus gwendolenae (Godwin-Austen, 1889) (unaccepted combination)
- Species Opisthoporus javanus L. Pfeiffer, 1861 accepted as Opisthoporus corniculus (Mousson, 1849) (junior synonym)
- Species Opisthoporus pulchellus Morlet, 1889 accepted as Rhiostoma cambodjense (Morelet, 1875) (unaccepted > junior subjective synonym)
- Species Opisthoporus rostellatus (L. Pfeiffer, 1851) accepted as Opisthoporus singaporeanus Low & S. K. Tan, 2017
- Species Opisthoporus setosus Möllendorff, 1894 accepted as Cyclotus setosus (Möllendorff, 1894) (original combination)
- Species Opisthoporus siamensis E. von Martens, 1860 accepted as Cyclotus siamensis (E. von Martens, 1860) (original combination)
- Species Opisthoporus simonianus Heude, 1886 accepted as Cyclotus simonianus (Heude, 1886) (original combination)
- Species Opisthoporus solutus Stoliczka, 1872 accepted as Cyclotus solutus (Stoliczka, 1872) (original combination)
- Species Opisthoporus spiracellum (A. Adams & Reeve, 1850) accepted as Dicharax spiracellum (A. Adams & Reeve, 1850) (unaccepted > superseded combination)
- Species Opisthoporus taylorianus (L. Pfeiffer, 1851) accepted as Opisthoporus biciliatus (Mousson, 1849) (junior synonym)
- Species Opisthoporus tubuliferus (L. Pfeiffer, 1854) accepted as Cyclotus tubuliferus (L. Pfeiffer, 1854) (unaccepted > superseded combination)
- Species Opisthoporus hyperborealis Heude, 1890 (uncertain > taxon inquirendum)
- Species Opisthoporus rhiostoma Gredler, 1902 (uncertain > taxon inquirendum)
masculine
(of Cyclostoma (Opisthoporus) W. H. Benson, 1851) Pfeiffer, L. (1851). Uebersicht der Gattung <i>Pterocyclos</i> Bens. <em>Zeitschrift für Malakozoologie.</em> 8(1): 1-10., available online at https://www.biodiversitylibrary.org/page/16300501 [details]
MolluscaBase eds. (2024). MolluscaBase. Opisthoporus W. H. Benson, 1851. Accessed at: https://www.molluscabase.org/aphia.php?p=taxdetails&id=1030700 on 2025-04-21
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original description
(of Cyclotus (Siphonocyclus) Möllendorff, 1900) Möllendorff, O. F. von. (1900). Zur Binnenmollusken-Fauna Annams III. <em>Nachrichtsblatt der Deutschen Malakozoologischen Gesellschaft.</em> 32(7-8): 117-121; 32(9-10): 129-139., available online at https://www.biodiversitylibrary.org/page/15598462
page(s): 136 [details]
original description (of Cyclostoma (Opisthoporus) W. H. Benson, 1851) Pfeiffer, L. (1851). Uebersicht der Gattung <i>Pterocyclos</i> Bens. <em>Zeitschrift für Malakozoologie.</em> 8(1): 1-10., available online at https://www.biodiversitylibrary.org/page/16300501 [details]
basis of record Low M.E.Y. & Tan S.K. [Siong Kiat]. (2017). Nomenclature of the genus <i>Opisthoporus</i> Benson in L. Pfeiffer, 1851: the type species of the genus and <i>Opisthoporus singaporeanus</i> nom. nov. for <i>Cyclostoma rostellatum</i> L. Pfeiffer, 1851, a junior primary homonym of <i>Cyclostoma rostellatum</i> Partiot, 1848 (Gastropoda: Cyclophoroidea: Cyclophoridae). <em>Occasional Molluscan Papers.</em> 6: 15-17. [details] Available for editors
[request]
additional source Möllendorff, O. F. von. (1898). Verzeichnis der auf den Philippinen lebenden Landmollusken. <em>Abhandlungen der Naturforschenden Gesellschaft zu Görlitz.</em> 22: 26-208., available online at https://biodiversitylibrary.org/page/58468236
page(s): 185 [details]
additional source Benson, W. H. (1855). Characters of the genus <i>Opisthoporus</i>, an eastern form of the Cyclostomacea, with remarks on its affinities and notes on several opercula. <em>Annals and Magazine of Natural History, Series 2.</em> 15(85): 13-16., available online at https://www.biodiversitylibrary.org/page/18619909#page/27/mode/1up [details]
page(s): 136 [details]
original description (of Cyclostoma (Opisthoporus) W. H. Benson, 1851) Pfeiffer, L. (1851). Uebersicht der Gattung <i>Pterocyclos</i> Bens. <em>Zeitschrift für Malakozoologie.</em> 8(1): 1-10., available online at https://www.biodiversitylibrary.org/page/16300501 [details]
basis of record Low M.E.Y. & Tan S.K. [Siong Kiat]. (2017). Nomenclature of the genus <i>Opisthoporus</i> Benson in L. Pfeiffer, 1851: the type species of the genus and <i>Opisthoporus singaporeanus</i> nom. nov. for <i>Cyclostoma rostellatum</i> L. Pfeiffer, 1851, a junior primary homonym of <i>Cyclostoma rostellatum</i> Partiot, 1848 (Gastropoda: Cyclophoroidea: Cyclophoridae). <em>Occasional Molluscan Papers.</em> 6: 15-17. [details] Available for editors

additional source Möllendorff, O. F. von. (1898). Verzeichnis der auf den Philippinen lebenden Landmollusken. <em>Abhandlungen der Naturforschenden Gesellschaft zu Görlitz.</em> 22: 26-208., available online at https://biodiversitylibrary.org/page/58468236
page(s): 185 [details]
additional source Benson, W. H. (1855). Characters of the genus <i>Opisthoporus</i>, an eastern form of the Cyclostomacea, with remarks on its affinities and notes on several opercula. <em>Annals and Magazine of Natural History, Series 2.</em> 15(85): 13-16., available online at https://www.biodiversitylibrary.org/page/18619909#page/27/mode/1up [details]