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Page last updated
Thu 17 July 2025

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!


Bivalvia | ... | Unionidae | Ambleminae | Pleurobemini | Elliptio

species Elliptio nigella (Lea, 1852): synonymy
     2 specimens

Unio nigellus Lea, 1852
Lea, 1852. Proc. Amer. Phil. Soc. 5: 251. [nomen nudum]
Lea, 1852. Trans. Amer. Phil. Soc. 10 [O. 5]: 283 [39], pl. 24, fig. 42.
Type(s): LECTOTYPE USNM_85567, Chattahoochee, Columbus [Columbia], Ga.

Unio (sec. Elliptio) nigellusSimpson (1900), Simpson (1914)
Elliptio (s.s.) nigellusFrierson (1927), Haas (1969)
Elliptio strigosusClench & Turner (1956)
Elliptio (s.s.) nigellaBurch (1975)
Elliptio nigellaTurgeon et al. (1988), Williams et al. (1993), Turgeon et al. (1998), Lydeard et al. (1999), Brim Box & Williams (2000), ... Williams et al. (2017), Graf & Cummings (2021), FMCS (2021), Hopper et al. (2023), MolluscaBase (2024)

Unio denigratus Lea, 1857
Lea, 1857. Proc. Acad. Nat. Sci. 9: 171.
Lea, 1859. Jour. Acad. Nat. Sci. 4 [O. 7]: 200 [18], pl. 23, fig. 83.
Type(s): HOLOTYPE USNM_85568, near Columbus, Ga.

Unio (sec. Elliptio) nigellusSimpson (1900), Simpson (1914)
Elliptio (s.s.) nigellusFrierson (1927), Haas (1969)
Elliptio (s.s.) nigellaBurch (1975)
Elliptio nigellaWilliams et al. (2008), Williams et al. (2011)

Taxonomic History (since 1900)

Unio (sec. Elliptio) nigellusSimpson (1900), Simpson (1914)
Elliptio (s.s.) nigellusFrierson (1927), Haas (1969)
Elliptio strigosusClench & Turner (1956)
Elliptio (s.s.) nigellaBurch (1975)
Elliptio nigellaTurgeon et al. (1988), Williams et al. (1993), Turgeon et al. (1998), Lydeard et al. (1999), Brim Box & Williams (2000), ... Williams et al. (2017), Graf & Cummings (2021), FMCS (2021), Hopper et al. (2023), MolluscaBase (2024)

 
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