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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 | Unionoida | Unionoidea | Unionidae | Ambleminae | Pleurobemini

genus Fusconaia Simpson, 1900: synonymy
     14 Recent valid species (19 total species)

Fusconaia Simpson, 1900
Simpson, 1900. Proc. U.S. Nat. Mus. 22: 784.
Simpson, 1914. Descr. Cat. Naiades: 865.
(intro'd as sub-gen. of Quadrula Rafinesque, 1820)
Type species: Unio trigonus Lea, 1831 (orig. desig.) = Fusconaia flava

Fusconaja Ortmann, 1912
Ortmann, 1912. Ann. Carnegie Mus. 8: 240.
Ortmann, 1913. Nautilus 27(8): 89.
(error for Fusconaia Simpson, 1900)

Lexingtonia Ortmann, 1914
Ortmann, 1914. Nautilus 28(3): 28.
Type species: Unio subplanus Conrad, 1837 (orig. desig.) = Fusconaia masoni

Quincuncina Ortmann & Walker, 1922
Ortmann in
Ortmann & Walker, 1922. Nautilus 36(1): 1.
Type species: Quincuncina burkei Ortmann & Walker, 1922 (orig. desig.) = Fusconaia burkei

Fuscnoaia Ortmann, 1925
Ortmann, 1925. Amer. Midl. Nat. 9: 330.
(error for Fusconaia Simpson, 1900)

Fusconala Ortmann, 1925
Ortmann, 1925. Amer. Midl. Nat. 9: 330.
(error for Fusconaia Simpson, 1900)

Levingtonia Ortmann, 1925
Ortmann, 1925. Amer. Midl. Nat. 9: 339.
(error for Lexingtonia Ortmann, 1914)

Fusconia Frierson, 1927
Frierson, 1927. Check List N. Amer. Naiades: 10, 54.
(error for Fusconaia Simpson, 1900)

Taxonomic History (since 1900)

Quadrula (sec. Fusconaia)Simpson (1900), Simpson (1914)
Unio (s.s.)Call (1900)
Pleurobema (s.s.)Simpson (1900), Simpson (1914)
Unio (sec. Elliptio)Simpson (1900), Simpson (1914)
Lampsilis (sec. Eurynia)Simpson (1900)
UnioSimpson (1900), de Gregorio (1914), Henderson (1935)
PleurobemaSimpson (1900), Utterback (1915), Ortmann & Walker (1922), Burch (1975)
QuadrulaSimpson (1900), Ortmann (1909), Ortmann (1909), Ortmann (1909), Ortmann (1910), Vanatta (1915), Bogan (2010), Haag (2012)
FusconaiaOrtmann (1912), Utterback (1915), Ortmann (1918), Ortmann (1919), Ortmann & Walker (1922), ... Hopper et al. (2023), Hauck et al. (2023), Johnson et al. (2023), Czaja et al. (2023), Freeman et al. (2025)
Fusconaja [sic]Ortmann (1913), Ortmann (1914)
LexingtoniaOrtmann (1914), Thiele (1934), Haas (1969), Haas (1969), Burch (1975), ... Turgeon et al. (1998), Graf & Cummings (2007), Cummings & Graf (2010), ITIS (2012), Jones (2015)
Lampsilis (Eurynia)Simpson (1914)
NephronaiasUtterback (1916)
QuincuncinaOrtmann & Walker (1922), Thiele (1934), Clench & Turner (1956), Modell (1957), Haas (1969), ... Campbell et al. (2005), Graf & Cummings (2007), Burdick & White (2007), Cummings & Graf (2010), ITIS (2012)
Quadrula (Fusconia [sic])Frierson (1927)
Quadrula (Pleuronaia)Frierson (1927), Haas (1969)
Elliptio (s.s.)Frierson (1927), Haas (1969)
Pleurobema (Lexingtonia)Frierson (1927), R.I. Johnson (1970)
ParreysiaFrierson (1927), Haas (1969)
Elliptio (Barynaias)Frierson (1927)
Quadrula (Quincuncina)Frierson (1927)
Nephronaias (Sphenonaias)Haas (1969)

 
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