Bivalvia | ... | Unionidae | Unioninae | Anodontini | Alasmidontina | Simpsonaias ambigua
‘Say’ Ferussac, 1835. Mag. Zool. 5(59-60): 26.
(error for Alasmodonta ambigua Say, 1825)
+ Simpsonaias ambigua (Say, 1825) — Watters et al., 2009: 288.
+ Simpsonaias ambigua (Say, 1825) — Parmalee & Bogan, 1998: 224.
+ Simpsonaias ambigua (Say, 1825) — Clarke, 1985: 61.
+ Simpsonaias ambigua (Say, 1825) — Haas, 1969: 400.
+ Simpsoniconcha ambigua (Say, 1825) — Frierson, 1927: 24.
+ Hemilastena ambigua (Say, 1825) — Simpson, 1914: 326.
+ Hemilastena ambigua (Say, 1825) — Simpson, 1900: 673.
= Alasmodonta dubia Say — Ferussac, 1835: 26, 31.