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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 angustata (Lea, 1831): synonymy
     2 specimens

Unio angustatus Lea, 1831
Lea, 1831. Trans. Amer. Phil. Soc. 4 [O. 1]: 114 [124], pl. 17, fig. 43.
Type(s): HOLOTYPE USNM_85896, Cooper R., S. Carolina.

Unio (sec. Elliptio) angustatusSimpson (1900), Simpson (1914)
Unio angustatusde Gregorio (1914)
Elliptio (s.s.) angustatusFrierson (1927), Haas (1969)
Elliptio (s.s.) lanceolataR.I. Johnson (1970), Burch (1975)
Elliptio angustataTurgeon et al. (1988), Williams et al. (1993), Turgeon et al. (1998), Bogan (2002), Graf & Cummings (2007), ... Inoue et al. (2018), Graf & Cummings (2021), FMCS (2021), Hopper et al. (2023), MolluscaBase (2024)

Unio augustatus Ferussac, 1835
‘Lea’ of Authors.
Ferussac, 1835. Mag. Zool. 5: 26.
B.H. Wright, 1888. Check List N. Amer. Unionidae etc.: [1].
(error for Unio angustatus Lea, 1831)

Unio subcylindraceus Lea, 1874
Lea, 1874. Proc. Acad. Nat. Sci. 25: 422.
Lea, 1874. Jour. Acad. Nat. Sci. 8 [O. 13]: 58 [62], pl. 20, fig. 57.
Type(s): FIGURED SYNTYPE USNM_85863, Rocky Creek, near Macon, Georgia.

Unio (sec. Elliptio) angustatusSimpson (1900), Simpson (1914)
Elliptio (s.s.) emmonsiiFrierson (1927), Haas (1969)
Elliptio (s.s.) lanceolataR.I. Johnson (1970), Burch (1975)
Elliptio angustataMolluscaBase (2024)

Taxonomic History (since 1900)

Unio (sec. Elliptio) angustatusSimpson (1900), Simpson (1914)
Unio angustatusde Gregorio (1914)
Elliptio (s.s.) angustatusFrierson (1927), Haas (1969)
Elliptio (s.s.) emmonsiiFrierson (1927), Haas (1969)
Elliptio (s.s.) lanceolataR.I. Johnson (1970), Burch (1975)
Elliptio angustataTurgeon et al. (1988), Williams et al. (1993), Turgeon et al. (1998), Bogan (2002), Graf & Cummings (2007), ... Inoue et al. (2018), Graf & Cummings (2021), FMCS (2021), Hopper et al. (2023), MolluscaBase (2024)

 
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