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Page last updated
Thu 3 September 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!

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Bivalvia | Unionoida | Unionoidea | Unionidae | Ambleminae | Pleurobemini | Elliptio

species Elliptio spinosa (Lea, 1836): synonymy
     3 specimens

Unio spinosus Lea, 1836
Lea, 1836. Synopsis Fam. Naiades: 17, fronticepiece.
Lea, 1838. Trans. Amer. Phil. Soc. 6 [O. 2]: 57, pl. 16, fig. 50.
Type(s): SYNTYPE ANSP_128763, Darien, Ga.

Unio (sec. Canthyria) spinosusSimpson (1900), Simpson (1914)
Elliptio spinosusOrtmann (1912)
Canthyria spinosaFrierson (1927), Haas (1969), Haas (1969)
Elliptio (sec. Canthyria) spinosusThiele (1934)
Elliptio (Canthyria) spinosaR.I. Johnson (1970), Burch (1975)
Elliptio (Canthyria) spinosusJohnson & Clarke (1983)
Elliptio spinosaKat (1983), Turgeon et al. (1988), Williams et al. (1993), Turgeon et al. (1998), Graf & Cummings (2007), ... Graf & Cummings (2021), FMCS (2021), Hopper et al. (2023), MolluscaBase (2024), FMCS (2025)

Taxonomic History (since 1900)

Unio (sec. Canthyria) spinosusSimpson (1900), Simpson (1914)
Elliptio spinosusOrtmann (1912)
Canthyria spinosaFrierson (1927), Haas (1969), Haas (1969)
Elliptio (sec. Canthyria) spinosusThiele (1934)
Elliptio (Canthyria) spinosaR.I. Johnson (1970), Burch (1975)
Elliptio (Canthyria) spinosusJohnson & Clarke (1983)
Elliptio spinosaKat (1983), Turgeon et al. (1988), Williams et al. (1993), Turgeon et al. (1998), Graf & Cummings (2007), ... Graf & Cummings (2021), FMCS (2021), Hopper et al. (2023), MolluscaBase (2024), FMCS (2025)

 
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