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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Unionoida | Unionoidea | Unionidae | Ambleminae | Quadrulini | Megalonaias nervosa

nominal species Unio eightsii Lea, 1860

Lea, 1860, Proc. Acad. Nat. Sci. 12: 306.
Lea, 1860, Jour. Acad. Nat. Sci. 4 [O. 8]: 367 [49], pl. 64, fig. 192.
Type(s): LECTOTYPE USNM_83991, Sabinas R., Nuevo Leon, Mexico.

= Megalonaias nervosa

Taxonomic Opinions

+ Megalonaias nervosa (Rafinesque, 1820) — Pfeiffer et al., 2018
+ Megalonaias nervosa (Rafinesque, 1820) — Watters et al., 2009
+ Megalonaias nervosa (Rafinesque, 1820) — Williams et al., 2008
+ Megalonaias nervosa (Rafinesque, 1820) — R.I. Johnson, 1999
+ Megalonaias nervosa (Rafinesque, 1820) — Parmalee & Bogan, 1998
+ Megalonaias nervosa (Rafinesque, 1820) — Howells et al., 1996
+ Megalonaias gigantea gigantea (Barnes, 1823) — Haas, 1969
+ Amblema (Megalonaias) gigantea (Barnes, 1823) — Frierson, 1927
+ Quadrula (sec. Crenodonta) heros (Say, 1829) — Simpson, 1914
- NO OPINION — de Gregorio, 1914
+ Quadrula (sec. Crenodonta) heros (Say, 1829) — Simpson, 1900
+ Unio (Crenodonta) digitatus Morelet, 1851 — Martens, 1900
+ Unio multiplicatus Lea, 1830-31 — Call, 1895
= Unio (Plectomerus) eightsii I. Lea, 1860 — Fischer & Crosse, 1894
= Unio eightsii Lea — Singley, 1893
= Unio eightsii Lea — B.H. Wright, 1888
= Margaron (Unio) eightsii (Lea) — Lea, 1870

Page updated: 08:22:23 Tue 01 Jul 2025