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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 folliculata (Lea, 1838): synonymy
     4 specimens

Unio folliculatus Lea, 1838
Lea, 1836. Synopsis Fam. Naiades: 34. [nomen nudum]
Lea, 1838. Trans. Amer. Phil. Soc. 6 [O. 2]: 38, pl. 11, fig. 33.
Type(s): HOLOTYPE USNM_85861, Savannah R., S.C.

Unio (sec. Elliptio) folliculatusSimpson (1900), Simpson (1914)
de Gregorio (1914)
Elliptio (s.s.) folliculatusFrierson (1927), Haas (1969)
Elliptio (s.s.) lanceolataR.I. Johnson (1970), Burch (1975)
Elliptio lanceolataDavis et al. (1981)
Elliptio folliculataKat (1983), Davis (1984), Turgeon et al. (1988), Williams et al. (1993), Turgeon et al. (1998), ... Graf & Cummings (2021), FMCS (2021), Hopper et al. (2023), MolluscaBase (2024), FMCS (2025)

Unio attenuatus Lea, 1872
Lea, 1872. Proc. Acad. Nat. Sci. 24: 157.
Lea, 1874. Jour. Acad. Nat. Sci. 8 [O. 13]: 41 [45], pl. 14, fig. 38.
Type(s): FIGURED SYNTYPE USNM_85974, Beaver Cr., Houston Co., Ga.

Unio (sec. Elliptio) attenuatusSimpson (1900)
Unio (sec. Elliptio) folliculatusSimpson (1914)
Elliptio (s.s.) folliculatusFrierson (1927), Haas (1969)
Elliptio (s.s.) lanceolataR.I. Johnson (1970), Burch (1975)

Unio exacutus Lea, 1872
Lea, 1872. Proc. Acad. Nat. Sci. 24: 159.
Lea, 1874. Jour. Acad. Nat. Sci. 8 [O. 13]: 45 [49], pl. 15, fig. 43.
Type(s): FIGURED SYNTYPE USNM_85862, Savannah R., at Gov. Hamilton’s, Georgia.

Unio (sec. Elliptio) folliculatusSimpson (1900), Simpson (1914)
de Gregorio (1914)
Elliptio (s.s.) folliculatusFrierson (1927), Haas (1969)
Elliptio (s.s.) lanceolataR.I. Johnson (1970), Burch (1975)

Unio rostellum Lea, 1872
Lea, 1872. Proc. Acad. Nat. Sci. 24: 160.
Lea, 1874. Jour. Acad. Nat. Sci. 8 [O. 13]: 44 [48], pl. 15, fig. 41.
Type(s): FIGURED SYNTYPE USNM_85972, Macon, Ga.

Unio (sec. Elliptio) folliculatusSimpson (1900), Simpson (1914)
Elliptio (s.s.) folliculatusFrierson (1927), Haas (1969)
Elliptio (s.s.) lanceolataR.I. Johnson (1970), Burch (1975)

Taxonomic History (since 1900)

Unio (sec. Elliptio) folliculatusSimpson (1900), Simpson (1914)
Unio (sec. Elliptio) attenuatusSimpson (1900)
de Gregorio (1914)
Elliptio (s.s.) folliculatusFrierson (1927), Haas (1969)
Elliptio (s.s.) lanceolataR.I. Johnson (1970), Burch (1975)
Elliptio lanceolataDavis et al. (1981)
Elliptio folliculataKat (1983), Davis (1984), Turgeon et al. (1988), Williams et al. (1993), Turgeon et al. (1998), ... Graf & Cummings (2021), FMCS (2021), Hopper et al. (2023), MolluscaBase (2024), FMCS (2025)

 
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