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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 | Potamilus

species Potamilus purpuratus (Lamarck, 1819): synonymy
     9 specimens + 60 Genbank vouchers

Unio purpurata Lamarck, 1819
Lister, 1685. Conch.: pl. 155, fig. 10 [?]. [pre-linnaean]
Lamarck, 1819. Hist. Natur. Anim. sans Vert. 6: 71, sp. 6.

Lampsilis (Proptera) purpuratusSimpson (1900)
Proptera purpurataOrtmann (1912), Utterback (1916), Ortmann (1925), Frierson (1927), Murray & Leonard (1962), Haas (1969), Burch (1975), Gordon et al. (1979), R.I. Johnson (1980), Davis & Fuller (1981)
Lampsilis (Proptera) purpurataSimpson (1914)
Potamilus purpuratusOesch (1984), Turgeon et al. (1988), Cummings & Mayer (1992), Williams et al. (1993), Howells et al. (1996), ... Smith & Johnson (2020), Graf & Cummings (2021), FMCS (2021), Hopper et al. (2023), Hauck et al. (2023)
Potamilus purpurataVidrine (1993), R.I. Johnson (1998), Smith et al. (2019)

Unio ater Lea, 1829
Lea, 1829. Trans. Amer. Phil. Soc. 3 [O. 1]: 426, pl. 7, fig. 9.
(homonym of Unio ater Nilsson, 1822; renamed Unio lugubris Say, 1832)
Type(s): SYNTYPE USNM_86108, Port Gibson, Miss.

Lampsilis (Proptera) purpuratusSimpson (1900)
Lampsilis (Proptera) purpurataSimpson (1914)
Unio aterde Gregorio (1914)
Proptera purpurataFrierson (1927), Haas (1969)
Potamilus purpuratusParmalee & Bogan (1998), Williams et al. (2008)

Unio lugubris Say, 1832
Say, 1832. Amer. Conch. 5: pl. 43.
(new name for Unio ater Lea, 1829)

Lampsilis (Proptera) purpuratusSimpson (1900)
Lampsilis (Proptera) purpurataSimpson (1914)
Proptera purpurataFrierson (1927), Haas (1969)
Potamilus purpuratusWilliams et al. (2008)

Unio poulsoni Conrad, 1834
Conrad, 1834. New Fresh-Water Shells: 25, pl. 1.

Lampsilis (Proptera) alatus var. poulsoniSimpson (1900)
Lampsilis (Proptera) alata var. poulsoniSimpson (1914)
Proptera purpurata-poulsoniFrierson (1927)
Proptera purpurataHaas (1969)
Potamilus alatusParmalee & Bogan (1998)
Potamilus purpuratusParmalee & Bogan (1998), Williams et al. (2008)

Unio coloradoensis Lea, 1856
Lea, 1856. Proc. Acad. Nat. Sci. 8: 103.
Lea, 1857. Jour. Acad. Nat. Sci. 3 [O. 6]: 314 [34], pl. 31, fig. 29.
Type(s): LECTOTYPE USNM_84845 (by R.I. Johnson, 1974: 32), Colorado R., Texas.

Lampsilis (Proptera) coloradoensisSimpson (1900), Simpson (1914)
de Gregorio (1914)
Proptera purpurataFrierson (1927), Haas (1969)
Potamilus purpuratusHowells et al. (1996), Parmalee & Bogan (1998), Williams et al. (2008)
Potamilus purpuratus coloradoensisRoe & Lydeard (1998)
Potamilus purpurataR.I. Johnson (1998)

Unio permiscens Lea, 1859
Lea, 1859. Proc. Acad. Nat. Sci. 11: 112.
Lea, 1862. Jour. Acad. Nat. Sci. 5 [O. 8]: 102 [106], pl. 17, fig. 251.
Type(s): HOLOTYPE USNM_86118, Columbus, Miss.

Lampsilis (Proptera) permiscensSimpson (1900), Simpson (1914)
Proptera purpurataFrierson (1927), Haas (1969)
Potamilus purpuratusParmalee & Bogan (1998)
Leptodea fragilisWilliams et al. (2008)

Unio dolosus Lea, 1860
Lea, 1860. Proc. Acad. Nat. Sci. 12: 307.
Lea, 1862. Jour. Acad. Nat. Sci. 5 [O. 8]: 75 [79], pl. 9, fig. 224.
Type(s): HOLOTYPE USNM_86119, Claiborne, Ala.

Lampsilis (Proptera) purpuratusSimpson (1900)
Lampsilis (Proptera) purpurataSimpson (1914)
Lasmonos fragilisUtterback (1916)
Proptera purpurata-poulsoniFrierson (1927)
Proptera purpurataHaas (1969)
Leptodea fragilisOesch (1984), Howells et al. (1996)
Potamilus purpuratusParmalee & Bogan (1998), Williams et al. (2008)

Unio dolosus Sowerby, 1866
‘Lea’ Sowerby, 1866. Conch. Icon. 16: pl. 41, sp. 228.
(reference to Unio dolosus Lea, 1860)

Lampsilis (Proptera) purpuratusSimpson (1900)
Proptera purpurataFrierson (1927)

Unio poulsoni Sowerby, 1866
‘Conrad’ Sowerby, 1866. Conch. Icon. 16: pl. 51, sp. 270.
(reference to Unio poulsoni Conrad, 1834)

Lampsilis (Proptera) purpuratusSimpson (1900)
Lampsilis (Proptera) purpurataSimpson (1914)

Mya ventricosa Humphrey, 1797
‘Solander’ Humphrey, 1797. Mus. Col.: 56.
‘Solander’ Ferussac, 1835. Mag. Zool. 5: 26 [as ‘U.ventricosa’].
(intro'd as syn of Unio purpurata Lamarck, 1819)

Unio atra Deshayes, 1832
‘Lea’ Deshayes, 1832. Enc. Méth. 2 (Deuxième partie): 582.
(reference to Unio ater Lea, 1829)

Lampsilis (Proptera) purpuratusSimpson (1900)
Lampsilis (Proptera) purpurataSimpson (1914)
Potamilus purpuratusParmalee & Bogan (1998), Williams et al. (2008)

Taxonomic History (since 1900)

Lampsilis (Proptera) purpuratusSimpson (1900)
Lampsilis (Proptera) alatus var. poulsoniSimpson (1900)
Lampsilis (Proptera) coloradoensisSimpson (1900), Simpson (1914)
Lampsilis (Proptera) permiscensSimpson (1900), Simpson (1914)
Proptera purpurataOrtmann (1912), Utterback (1916), Ortmann (1925), Frierson (1927), Murray & Leonard (1962), Haas (1969), Burch (1975), Gordon et al. (1979), R.I. Johnson (1980), Davis & Fuller (1981)
Lampsilis (Proptera) purpurataSimpson (1914)
Unio aterde Gregorio (1914)
Lampsilis (Proptera) alata var. poulsoniSimpson (1914)
de Gregorio (1914)
Lasmonos fragilisUtterback (1916)
Proptera purpurata-poulsoniFrierson (1927)
Potamilus purpuratusOesch (1984), Turgeon et al. (1988), Cummings & Mayer (1992), Williams et al. (1993), Howells et al. (1996), ... Smith & Johnson (2020), Graf & Cummings (2021), FMCS (2021), Hopper et al. (2023), Hauck et al. (2023)
Leptodea fragilisOesch (1984), Howells et al. (1996), Williams et al. (2008)
Potamilus purpurataVidrine (1993), R.I. Johnson (1998), Smith et al. (2019)
Potamilus alatusParmalee & Bogan (1998)
Potamilus purpuratus coloradoensisRoe & Lydeard (1998)

 
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