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!

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Unionoidea | Unionidae | Unioninae | Anodontini | Alasmidontina | Simpsonaias ambigua

nominal species Unio hildrethianus Lea, 1834

Lea, 1834, Trans. Amer. Phil. Soc. 5 [O. 1]: 36 [148], pl. 3, fig. 8.
Type(s): FIGURED SYNTYPE USNM_122252, Ohio R., Louisville, Ky.

= Simpsonaias ambigua

Taxonomic Opinions

+ Simpsonaias ambigua (Say, 1825) — Watters et al., 2009
+ Simpsonaias ambigua (Say, 1825) — Parmalee & Bogan, 1998
+ Simpsonaias ambigua (Say) — Strayer & Jirka, 1997
+ Simpsonaias ambigua (Say, 1825) — Clarke, 1985
+ Simpsonaias ambigua (Say, 1825) — Haas, 1969
+ Simpsoniconcha ambigua (Say, 1825) — F.C. Baker, 1928
+ Simpsoniconcha ambigua (Say, 1825) — Frierson, 1927
+ Hemilastena ambigua (Say, 1825) — Simpson, 1914
+ Hemilastena ambigua (Say, 1825) — Simpson, 1900
= Unio (Margaritana) hildrethiana Lea, 1834 — Call, 1900
= Margaritana hildrethiana Lea — B.H. Wright, 1888
= Margaron (Margaritana) hildrethiana (Lea) — Lea, 1870
= Unio hildrethianus Lea, 1834 — Sowerby, 1866
= Unio hildrethianus Lea — Küster, 1861
= Baphia hildrethiana Lea — Adams & Adams, 1857
= Strophitus hildrethianus (Lea) — Conrad, 1853
+ Hemilastena [sic] ambigua Agass. — Agassiz, 1852
= Margaron (Margaritana) hildrethiana (Lea) — Lea, 1852
= Unio hildrethianus Lea — Hanley, 1843
= Margarita (Unio) hildrethianus Lea — Lea, 1838
= Margarita (Unio) hildrethianus (Lea, 1834) — Lea, 1836
+ Alasmodonta dubia Say — Ferussac, 1835

Page updated: 08:16:51 Tue 01 Jul 2025