MUSSELpdb
Taxonomy
Species & Genus Richness of
freshwater mussels
by Taxonomy
Species & Genus Richness of
freshwater bivalves
by Family
Geography
Species Richness & Endemism of
freshwater mussels
by Geography
Data last updated
Thu 22 January 2026
Bivalvia | Unionida | Unionoidea | Unionidae | Ambleminae | Pleurobemini | Elliptio
species Elliptio shepardiana (Lea, 1834): synonymy
Synonymy
Unio shepardianus Lea, 1834
Lea, 1834. Trans. Amer. Phil. Soc. 5 [O. 1]: 95 [207], pl. 13, fig. 38.
Type(s): PARATYPE MCZ_155568, [Altamaha River] [Hopeton near Darien] McIntosh Co., Georgia.
Unio (sec. Elliptio) shepardianus — Simpson (1900), Simpson (1914)
Unio shepardianus — de Gregorio (1914)
Elliptio (s.s.) shepardianus — Frierson (1927), Haas (1969)
Elliptio (s.s.) shepardiana — R.I. Johnson (1970), Burch (1975)
Ensinaia sheppardiana [sic] — Starobogatov (1970)
Elliptio shepardiana — Kat (1983), Davis (1984), Turgeon et al. (1988), Williams et al. (1993), IUCN (1996), ... Graf & Cummings (2021), FMCS (2021), Hopper et al. (2023), MolluscaBase (2024), FMCS (2025)
Unio sheppardianus ‘Lea’ of Authors
‘Lea’ of Authors.
Catlow & Reeve, 1845. Conch. Nomen.: 64.
Starobogatov, 1970. Fauna Moll. Continent.: 287 [as ‘Ensinaia’].
(error for Unio shepardianus Lea, 1834)
Unio (sec. Elliptio) shepardianus — Simpson (1900), Simpson (1914)
Elliptio shepardiana — Campbell & Lydeard (2012)
Taxonomic History (since 1900)
Unio (sec. Elliptio) shepardianus — Simpson (1900), Simpson (1914)
Unio shepardianus — de Gregorio (1914)
Elliptio (s.s.) shepardianus — Frierson (1927), Haas (1969)
Elliptio (s.s.) shepardiana — R.I. Johnson (1970), Burch (1975)
Ensinaia sheppardiana [sic] — Starobogatov (1970)
Elliptio shepardiana — Kat (1983), Davis (1984), Turgeon et al. (1988), Williams et al. (1993), IUCN (1996), ... Graf & Cummings (2021), FMCS (2021), Hopper et al. (2023), MolluscaBase (2024), FMCS (2025)
