Unionoida | Unionoidea | Unionidae | Ambleminae | Quadrulini | Megalonaias nervosa nominal species Unio undulatus Say, 1831
‘Barnes’ Say, 1831, Amer. Conch. 2: pl. 16.
(misidentified reference to Unio undulatus Barnes, 1823)
= Megalonaias nervosa Taxonomic Opinions
+ Megalonaias nervosa (Rafinesque, 1820) — Parmalee & Bogan, 1998
+ Quadrula (sec. Crenodonta) heros (Say, 1829) — Simpson, 1914
+ Quadrula (sec. Crenodonta) heros (Say, 1829) — Simpson, 1900
+ Unio multiplicatus Lea, 1830-31 — Call, 1895
+ Margaron (Unio) multiplicatus (Lea) — Lea, 1870
+ Unio heros Say — Küster, 1855
+ Margaron (Unio) multiplicatus (Lea) — Lea, 1852
+ Unio heros Say — Hanley, 1843
+ Unio heros Say, 1829 — Conrad, 1840
+ Margarita (Unio) multiplicatus Lea — Lea, 1838
+ Margarita (Unio) multiplicatus (Lea, 1831) — Lea, 1836
+ Unio heros Say — Ferussac, 1835
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