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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

genus Ligumia Swainson, 1840: synonymy
     1 Recent valid species (9 total species)

Ligumia Swainson, 1840
Swainson, 1840. Treat. Malacol.: 267, 271, 273-274, 289-290, 378.
Swainson, 1840. Treat. Malacol.: 268 [as ‘Ligumea’].
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio recta Lamarck, 1819 (orig. desig.) = Ligumia recta

Legumia Agassiz, 1852
‘Swainson’ of Authors.
Agassiz, 1852. Arch. Naturg. 18(1): 45.
Mörch, 1853. Cat. Conch. Yoldi 2: 46.
Adams & Adams, 1857. Gen. Rec. Moll. 2(31-32): 490.
Paetel, 1890. Cat. Conch.-Samml. 3: 143.
(error for Ligumia Swainson, 1840)

Ligumina Philippi, 1853
Philippi, 1853. Handb. Conch. Mal.: 465.
(error for Ligumia Swainson, 1840)

Ligumea Swainson, 1840
Swainson, 1840. Treat. Malacol.: 268.
(error for Ligumia Swainson, 1840)

Taxonomic History (since 1900)

Lampsilis (sec. Eurynia)Simpson (1900)
Unio (s.s.)Call (1900)
LampsilisOrtmann (1909), Ortmann (1909), Ortmann (1909), Ortmann (1910), Vanatta (1915), Russell (1934), MacNeil (1935), R.I. Johnson (1969)
Eurynia (s.s.)Ortmann (1912), Utterback (1916), Ortmann (1918)
Lampsilis (Eurynia)Simpson (1914)
Uniode Gregorio (1914), Henderson (1935), Yen (1951)
LigumiaOrtmann & Walker (1922), Ortmann (1924), Ortmann (1925), Modell (1957), Murray & Leonard (1962), ... FMCS (2021), Hnytka et al. (2022), Hopper et al. (2023), Hauck et al. (2023), FMCS (2025)
Ptychobranchus (s.s.)Frierson (1927), Haas (1969)
Lampsilis (Ligumia)Frierson (1927), Haas (1930)
Ligumia (s.s.)F.C. Baker (1928), Thiele (1934)
PtychobranchusParmalee & Bogan (1998), Watters et al. (2009)

 
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