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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 | Lampsilini | Epioblasma

species Epioblasma brevidens (Lea, 1831): synonymy
     3 specimens + 4 Genbank vouchers

Unio brevidens Lea, 1831
Lea, 1831. Trans. Amer. Phil. Soc. 4 [O. 1]: 75, pl. 6, fig. 6.
Type(s): IDIOTYPE USNM_85349A, Nashville, Tenn.

Truncilla (s.s.) brevidensSimpson (1900), Simpson (1914)
Unio brevidensde Gregorio (1914)
Truncilla brevidensVanatta (1915)
Truncilla interruptaOrtmann (1918)
Dysnomia (Truncillopsis) brevidensOrtmann & Walker (1922), Ortmann (1924), Ortmann (1925)
Dysnomia (Penita) brevidensFrierson (1927), Haas (1969)
Plagiola interruptusMorrison (1969)
Dysnomia brevidensBurch (1975)
Plagiola (s.s.) interruptaR.I. Johnson (1978)
Epioblasma brevidensTurgeon et al. (1988), Williams et al. (1993), Turgeon et al. (1998), Parmalee & Bogan (1998), Lydeard et al. (1999), ... Klymus et al. (2020), Graf & Cummings (2021), FMCS (2021), Hopper et al. (2023), FMCS (2025)

Unio interruptus Conrad, 1834
‘Rafinesque’ of Authors.
Conrad, 1834. New Fresh-Water Shells: 69.
Say, 1834. Amer. Conch. 6: ??.
Ferussac, 1835. Mag. Zool. 5: 28.
Conrad, 1838. Monogr. Fam. Unionidae 1(10): 88, pl. 48.
Reeve, 1864. Conch. Icon. 16: pl. 14, sp. 56.

Truncilla (s.s.) brevidensSimpson (1900), Simpson (1914)
Dysnomia (Penita) brevidensFrierson (1927), Haas (1969)
Dysnomia brevidensBurch (1975)
Epioblasma brevidensParmalee & Bogan (1998)

Taxonomic History (since 1900)

Truncilla (s.s.) brevidensSimpson (1900), Simpson (1914)
Unio brevidensde Gregorio (1914)
Truncilla brevidensVanatta (1915)
Truncilla interruptaOrtmann (1918)
Dysnomia (Truncillopsis) brevidensOrtmann & Walker (1922), Ortmann (1924), Ortmann (1925)
Dysnomia (Penita) brevidensFrierson (1927), Haas (1969)
Plagiola interruptusMorrison (1969)
Dysnomia brevidensBurch (1975)
Plagiola (s.s.) interruptaR.I. Johnson (1978)
Epioblasma brevidensTurgeon et al. (1988), Williams et al. (1993), Turgeon et al. (1998), Parmalee & Bogan (1998), Lydeard et al. (1999), ... Klymus et al. (2020), Graf & Cummings (2021), FMCS (2021), Hopper et al. (2023), FMCS (2025)

 
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