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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 | Lampsilini | Epioblasma

species Epioblasma arcaeformis (Lea, 1831): synonymy
     1 specimen

Unio arcaeformis Lea, 1831
Lea, 1831. Trans. Amer. Phil. Soc. 4 [O. 1]: 116, pl. 17, fig. 44 [as ‘arcæformis’].
Type(s): IDIOTYPE USNM_84422, Florence, Alabama.

Truncilla (s.s.) arcaeformisSimpson (1900), Simpson (1914)
de Gregorio (1914)
Truncilla arcaeformisOrtmann (1918)
Dysnomia (Truncillopsis) arcaeformisOrtmann (1924), Ortmann (1925)
Dysnomia (Penita) arcaeformisFrierson (1927), Haas (1969)
Dysnomia arcaeformisStansbery (1970), Burch (1975)
Plagiola (s.s.) arcaeformisR.I. Johnson (1978)
Plagiola arcaeformisR.I. Johnson (1980)
Epioblasma arcaeformisTurgeon et al. (1988), Williams et al. (1993), Bogan (1993), Turgeon et al. (1998), Parmalee & Bogan (1998), ... Haag (2012), Williams et al. (2017), Graf & Cummings (2021), FMCS (2021), Hopper et al. (2023)

Unio nexus Say, 1831
Say, 1831. Transylvania J. Med. Assoc. Sci. 4: 527.
Say, 1834. Amer. Conch. 6: pl. 51.

Truncilla (s.s.) arcaeformisSimpson (1900), Simpson (1914)
Dysnomia (Penita) arcaeformisFrierson (1927), Haas (1969)
Plagiola (s.s.) arcaeformisR.I. Johnson (1978)
Epioblasma arcaeformisParmalee & Bogan (1998), Williams et al. (2008)

Taxonomic History (since 1900)

Truncilla (s.s.) arcaeformisSimpson (1900), Simpson (1914)
de Gregorio (1914)
Truncilla arcaeformisOrtmann (1918)
Dysnomia (Truncillopsis) arcaeformisOrtmann (1924), Ortmann (1925)
Dysnomia (Penita) arcaeformisFrierson (1927), Haas (1969)
Dysnomia arcaeformisStansbery (1970), Burch (1975)
Plagiola (s.s.) arcaeformisR.I. Johnson (1978)
Plagiola arcaeformisR.I. Johnson (1980)
Epioblasma arcaeformisTurgeon et al. (1988), Williams et al. (1993), Bogan (1993), Turgeon et al. (1998), Parmalee & Bogan (1998), ... Haag (2012), Williams et al. (2017), Graf & Cummings (2021), FMCS (2021), Hopper et al. (2023)

 
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