The Freshwater Mussels (Unionoida) of the World (and other less consequential bivalves)

FM(U)otW(aolcb) is the web version of the MUSSEL Project Database. Follow the links to browse the data or use the custom Google search field. Either way, you win!

The MUSSEL Project Database has moved to a new server, with a new URL! The new address for this page is: https://musselpdb.org/db.php?ty=nomsp&id=92

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Unionoida | Unionoidea | Unionidae | Ambleminae | Lampsilini | Lampsilis cardium

nominal species Unio occidens Lea, 1829

Lea, 1829, Trans. Amer. Phil. Soc. 3 [O. 1]: 435, pl. 10, fig. 16.
Type(s): HOLOTYPE USNM_84866, Cincinnati, Ohio.

= Lampsilis cardium

Taxonomic Opinions

+ Lampsilis cardium Rafinesque, 1820 — Watters et al., 2009
+ Lampsilis cardium Rafinesque, 1820 — Parmalee & Bogan, 1998
+ Lampsilis ovata (Say) — Strayer & Jirka, 1997
+ Lampsilis cardium Rafinesque, 1820 — Howells et al., 1996
+ Lampsilis ventricosa (Barnes, 1823) — Oesch, 1984
+ Lampsilis ovata (Say, 1817) — R.I. Johnson, 1980
+ Lampsilis ovata (Say, 1816) — Burch, 1975
+ Lampsilis ovatus (Say, 1817) — Clarke, 1973
+ Lampsilis (s.s.) ovata (Say, 1817) — R.I. Johnson, 1970
+ Lampsilis (s.s.) cardium cardium Rafinesque, 1820 — Haas, 1969
+ Lampsilis ovata ventricosa (Barnes, 1823) — Murray & Leonard, 1962
= Lampsilis ventricosa occidens (Lea, 1829) — F.C. Baker, 1928
+ Lampsilis (s.s.) cardium Rafinesque, 1820 — Frierson, 1927
+ Lampsilis (s.s.) ventricosa (Barnes, 1823) — Simpson, 1914
= Unio occidens Lea — de Gregorio, 1914
= Lampsilis occidens (Lea, 1829) — Ihering, 1901
+ Lampsilis (s.s.) ventricosus Barnes — Simpson, 1900
+ Unio (s.s.) ventricosus Barnes, 1823 — Call, 1900
+ Unio ventricosus Barnes, 1823 — Call, 1895
= Unio occidens Lea — B.H. Wright, 1888
= Margaron (Unio) occidens (Lea) — Lea, 1870
= Unio occidens Lea — Küster, 1861
= Unio (Hyridella) occidens Lea — Adams & Adams, 1857
+ Unio cardium Raf., 1820 — Conrad, 1853
= Margaron (Unio) occidens (Lea) — Lea, 1852
= Unio occidens Lea — Hanley, 1843
+ Unio ventricosus — De Kay, 1843
+ Unio cardium (Rafinesque, 1820) — Conrad, 1840
= Aeglia (s.s.) occidens (Lea, 1829) — Swainson, 1840
= Margarita (Unio) occidens Lea — Lea, 1838
= Margarita (Unio) occidens (Lea, 1829) — Lea, 1836
+ Unio cardium Raf. — Ferussac, 1835
= Unio occidens — Jay, 1835
= Unio occidens Lea — Lea, 1834
= Unio occidens Lea — Lea, 1829

Page updated: 11:31:54 Mon 08 Sep 2025