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 opaca Lea, 1852

Lea, 1852, Trans. Amer. Phil. Soc. 10 [O. 5]: 285, pl. 25, fig. 46.
Lea, 1852, Proc. Amer. Phil. Soc. 5: 252. [nomen nudum]
Type(s): HOLOTYPE USNM_128835, New Orleans.

= 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 grandis Say, 1829 — Howells et al., 1996
+ Pyganodon grandis (Say, 1829) — Vidrine, 1993
+ Anodonta grandis grandis Say, 1829 — Oesch, 1984
+ Anodonta grandis grandis Say, 1829 — R.I. Johnson, 1980
+ Anodonta (Pyganodon) grandis grandis Say, 1829 — Haas, 1969
+ Anodonta (Pyganodon) grandis Say, 1829 — Frierson, 1927
+ Anodonta grandis Say — Utterback, 1915
= Anodonta opaca Lea, 1852 — Simpson, 1914
= Anodonta opaca Lea, 1852 — Simpson, 1900
= Anodonta opaca Lea — Call, 1895
= Anodonta opaca Lea — B.H. Wright, 1888
= Margaron (Anodonta) opaca (Lea) — Lea, 1870
+ Anodon ovata (Lea, 1838) — Sowerby, 1869
= Anodonta opaca Lea — Adams & Adams, 1857
= Anodonta opaca Lea — Hanley, 1856
= Anodonta opaca Lea, 1852 — Conrad, 1853
= Margaron (Anodonta) opaca (Lea) — Lea, 1852

Page updated: 08:19:59 Tue 01 Jul 2025