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
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