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 | Pyganodon grandis

nominal species Anodonta declivis Conrad, 1834

Conrad, 1834, Amer. J. Sci. 25(2): 341, pl. 1, fig. 11.
Conrad, 1853, Proc. Acad. Nat. Sci. 6: 263.

= Pyganodon grandis

Taxonomic Opinions

+ Pyganodon grandis grandis (Say, 1829) — Watters et al., 2009
+ Pyganodon grandis (Say, 1829) — Williams et al., 2008
+ Pyganodon grandis (Say, 1829) — Parmalee & Bogan, 1998
+ Anodonta (Pyganodon) grandis lugubris Say, 1829 — Haas, 1969
+ Anodonta grandis plana Lea, 1834 — F.C. Baker, 1928
+ Anodonta (Pyganodon) grandis-lugubris Say, 1829 — Frierson, 1927
+ Anodonta grandis var. gigantea Lea, 1834 [sic] — Simpson, 1914
+ Anodonta grandis var. gigantea Lea, 1834 [sic] — Simpson, 1900
+ Anodonta grandis Say, 1829 — Call, 1895
+ Margaron (Anodonta) plana (Lea) — Lea, 1870
= Anodonta declivis Con., 1834 — Conrad, 1853
+ Margaron (Anodonta) plana (Lea) — Lea, 1852
+ Anodonta plana Lea — Hanley, 1843
+ Margarita (Anodonta) plana Lea — Lea, 1838
+ Margarita (Anodonta) plana (Lea, 1834) — Lea, 1836
= Anodonta declivis Conrad — Ferussac, 1835

Page updated: 08:16:41 Tue 01 Jul 2025