MolluscaBase taxon details
Prosochasma Beushausen, 1895 †
1790572 (urn:lsid:marinespecies.org:taxname:1790572)
accepted
Genus
Prosochasma abditum Beushausen, 1895 † accepted as Prosochasma mytiloides Beushausen, 1895 † (type by subsequent designation)
- Species Prosochasma bickense (Holzapfel, 1882) †
- Species Prosochasma muelleri (Holzapfel, 1882) †
- Species Prosochasma mytiloides Beushausen, 1895 †
- Species Prosochasma pyriforme (Münster, 1840) †
- Species Prosochasma abditum Beushausen, 1895 † accepted as Prosochasma mytiloides Beushausen, 1895 † (unaccepted > junior subjective synonym)
- Species Prosochasma dilatatum Beushausen, 1895 † accepted as Prosochasma bickense (Holzapfel, 1882) † (unaccepted > junior subjective synonym)
- Species Prosochasma expansum Beushausen, 1895 † accepted as Prosochasma muelleri (Holzapfel, 1882) † (unaccepted > junior subjective synonym)
- Species Prosochasma lunulonga Schindewolf, 1923 † (uncertain > nomen dubium)
marine, fresh, terrestrial
fossil only
neuter
Beushausen, L. (1895). Die Lamellibranchiaten des rheinischen Devon mit Ausschluss der Aviculiden. <em>Abhandlungen der Königlich Preussischen Geologischen Landesanstalt, Neue Folge.</em> 17: 1-514., available online at https://www.biodiversitylibrary.org/page/35943175
page(s): 369 [details]
page(s): 369 [details]
Note Woodward (1896) selected Prosochasma abditum...
Type species Woodward (1896) selected Prosochasma abditum Beushausen, 1895 as the type species. Later type species designations by Clarke (1904) (Lunulacardium pyriforme Münster, 1840) and Babin (1966: 209) (Lunulacardium mülleri [sic] Holzapfel, 1882) are invalid. [details]
MolluscaBase eds. (2025). MolluscaBase. Prosochasma Beushausen, 1895 †. Accessed at: https://www.molluscabase.org/aphia.php?p=taxdetails&id=1790572 on 2025-09-12
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original description
Beushausen, L. (1895). Die Lamellibranchiaten des rheinischen Devon mit Ausschluss der Aviculiden. <em>Abhandlungen der Königlich Preussischen Geologischen Landesanstalt, Neue Folge.</em> 17: 1-514., available online at https://www.biodiversitylibrary.org/page/35943175
page(s): 369 [details]
additional source Johnston, P. A.; Collom, C. J.; Ebbestad, J. O. R. (2024). Morphology and systematic position of <i>Shaninopsis</i> Isberg, 1934 (Bivalvia: Cryptodonta), from the Boda Limestone (Upper Ordovician), Sweden. <em>Journal of Molluscan Studies.</em> 90(4): eyae054., available online at https://doi.org/10.1093/mollus/eyae054 [details] Available for editors
[request]
subsequent type designation Woodward, B. B. (1896). VII. Mollusca. <em>The Zoological Record.</em> 32: 1-83., available online at https://www.biodiversitylibrary.org/page/51460662
page(s): 79 [details]
subsequent type designation Clarke, J. M. (1904). Naples fauna in western New York, Part 2. <em>New York State Museum Memoirs.</em> 6: 199-454.
page(s): 228; note: invalid [details]
page(s): 369 [details]
additional source Johnston, P. A.; Collom, C. J.; Ebbestad, J. O. R. (2024). Morphology and systematic position of <i>Shaninopsis</i> Isberg, 1934 (Bivalvia: Cryptodonta), from the Boda Limestone (Upper Ordovician), Sweden. <em>Journal of Molluscan Studies.</em> 90(4): eyae054., available online at https://doi.org/10.1093/mollus/eyae054 [details] Available for editors
[request]subsequent type designation Woodward, B. B. (1896). VII. Mollusca. <em>The Zoological Record.</em> 32: 1-83., available online at https://www.biodiversitylibrary.org/page/51460662
page(s): 79 [details]
subsequent type designation Clarke, J. M. (1904). Naples fauna in western New York, Part 2. <em>New York State Museum Memoirs.</em> 6: 199-454.
page(s): 228; note: invalid [details]
From editor or global species database
Type species Woodward (1896) selected Prosochasma abditum Beushausen, 1895 as the type species. Later type species designations by Clarke (1904) (Lunulacardium pyriforme Münster, 1840) and Babin (1966: 209) (Lunulacardium mülleri [sic] Holzapfel, 1882) are invalid. [details]
