MUSSELpdb | valid sp. Megalonaias nervosa synonymy

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Page last updated
Thu 04 Apr 2024

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!

The nominal species (available and otherwise) in this synonymy are listed by usage rather than strictly by publication date. The primary sorting order is by the most recent year (since 1969) that the species name was treated as valid, and then nominal species are sorted secondarily by publication year.

The taxonomic history of the valid species (since 1900) is listed at the bottom of the page.

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species Megalonaias nervosa (Rafinesque, 1820): nominal species
24 specimens available.

Unio (Leptodea) nervosa Rafinesque, 1820
Rafinesque, 1818, Amer. Mon. Mag. 3: 355 [as ‘Potamilus nervosus’]. [nomen nudum]
Rafinesque, 1820, Ann. Gén. Sci. Phys. 5 (13): 296, pl. 80, figs. 8-10 [also as ‘Elliptio nervosa’].
Rafinesque, 1864, [in] Binney & Tryon, reprint: 22, 41.

Unio (Leptodea) nervosa — Rafinesque (1820)
Potamilus nervosus — Rafinesque (1818)
Unio nervosus — Ferussac (1835), Conrad (1853), Küster (1861)
Plagiola nervosa — Agassiz (1852)
Truncilla donaciformis — Ortmann & Walker (1922)
Lampsilis (Ligumia) nervosa — Frierson (1927)
Ligumia nervosa — Haas (1969)
Megalonaias nervosa — Morrison (1969), Oesch (1984), Turgeon et al. (1988), Cummings & Mayer (1992), ..., Czaja et al. (2023), Neemuchwala et al. (2023), Hopper et al. (2023), Hauck et al. (2023)
Megalonaias gigantea — Mathiak (1979), R.I. Johnson (1980)
Tritogonia nervosa — ITIS (2012)
M. nervosa — Marshall et al. (2018)

Unio crassus var. giganteus Barnes, 1823
Barnes, 1823, Amer. J. Sci. 6 (1-2): 119.
(intro'd as intra-sp. of Unio crassus Say, 1817)

Unio crassus var. giganteus — Barnes (1823)
Megalonaias gigantea — Ortmann & Walker (1922), Ortmann (1924), Ortmann (1925), F.C. Baker (1928), ..., Mathiak (1979), Gordon et al. (1979), R.I. Johnson (1980), ITIS (2012)
Amblema (Megalonaias) gigantea — Frierson (1927), Haas (1930)
Megalonaias gigantea gigantea — Haas (1969)
Megalonaias nervosa — Morrison (1969), Oesch (1984), Vidrine (1993), Howells et al. (1996), ..., Williams et al. (2008), Watters et al. (2009), IUCN (2011), Pfeiffer et al. (2018)
Amblema gigantea — Davis & Fuller (1981)

Unio boykinianus Lea, 1840
Lea, 1840, Proc. Amer. Phil. Soc. 1: 288.
Lea, 1842, Trans. Amer. Phil. Soc. 8 [O. 3]: 208 [46], pl. 13, fig. 22.
Type(s): TOPOTYPE USNM_83903, Columbus, Georgia.

Unio boykinianus — Lea (1840), Sowerby (1868), B.H. Wright (1888)
Complanaria boykinianus — Agassiz (1852)
Margaron (Unio) boykinianus — Lea (1852), Lea (1870)
Plectomerus boykianus — Conrad (1853)
Unio (Metaptera) boykinianus — Adams & Adams (1857)
Unio baykinianus — Küster (1861), Paetel (1890)
Unio multiplicatus — Call (1895)
Quadrula (sec. Crenodonta) boykiniana — Simpson (1900), Simpson (1914)
Amblema (Megalonaias) gigantea-boykiniana — Frierson (1927)
Crenodonta boykiniana — Clench & Turner (1956)
Megalonaias gigantea boykiniana — Haas (1969)
Megalonaias gigantea — Burch (1975)
Megalonaias boykiniana — Davis (1984), Turgeon et al. (1988), Williams et al. (1993), Rosenberg et al. (1994), Rosenberg et al. (1997), Graf & Cummings (2007), Cummings & Graf (2010), ITIS (2012)
Amblema plicata — Vidrine (1993)
Megalonaias nervosa — Mulvey et al. (1997), Brim Box & Williams (2000), Williams et al. (2008), IUCN (2011), Williams et al. (2011), Williams et al. (2014), Pfeiffer et al. (2018), Graf & Cummings (2021)

Unio triumphans B.H. Wright, 1898
B.H. Wright, 1898, Nautilus 11: 101.
Type(s): HOLOTYPE USNM_150554, Coosa Riv., St. Clair Co., Ala.

Unio triumphans — B.H. Wright (1898)
Quadrula (sec. Crenodonta) triumphans — Simpson (1900), Simpson (1914)
Quadrula triumphans — Simpson (1900)
Megalonaias triumphans — Ortmann (1923), Haas (1969)
Amblema (Megalonaias) triumphans — Frierson (1927)
Megalonaias nervosa — Parmalee & Bogan (1998), Brim Box & Williams (2000), Williams et al. (2008), Watters et al. (2009), Pfeiffer et al. (2018)

Unio undulata Valenciennes, 1827
Valenciennes, 1827, Recueil Observ. Zool. Anat. Comp. 2(11-12): 229, pl. 54, figs. 3-3b.
(misidentified reference to Unio undulatus Barnes, 1823)

Unio undulata — Valenciennes (1827)
Unio plicatus — Lea (1829)
Unio costatus — Ferussac (1835)
Margarita (Unio) undulatus — Lea (1838)
Unio (Theliderma) undulata — Swainson (1840)
Margaron (Unio) undulatus — Lea (1852), Lea (1870)
Unio (Crenodonta) plicatus — Mörch (1853)
Quadrula (sec. Crenodonta) undulata — Simpson (1900)
Megalonaias nervosa — Watters et al. (2009)

Unio heros Say, 1829
Say, 1829, New Harm. Dissem. 2(19): 291, sp. 1.
Say, 1858, [in] Binney, Compl. Writings T. Say: 165, 225.

Unio heros — Say (1829), Ferussac (1835), Conrad (1840), Hanley (1843), Küster (1855), Reeve (1864), B.H. Wright (1888)
Margarita (Unio) multiplicatus — Lea (1836), Lea (1838)
Complanaria heros — Agassiz (1852)
Margaron (Unio) multiplicatus — Lea (1852), Lea (1870)
Unio multiplicatus — Call (1895)
Quadrula (sec. Crenodonta) heros — Simpson (1900), Simpson (1914)
Unio (s.s.) multiplicatus — Call (1900)
Quadrula heros — Ortmann (1909)
Crenodonta heros — Ortmann (1912)
Megalonaias heros — Utterback (1915), Ortmann (1923)
Megalonaias gigantea — Ortmann & Walker (1922), F.C. Baker (1928), Murray & Leonard (1962), Haas (1969), Burch (1975), R.I. Johnson (1980)
Amblema (Megalonaias) gigantea — Frierson (1927), Haas (1930)
Amblema (sec. Megalonaias) heros — Thiele (1934)
Megalonaias gigantea gigantea — Haas (1969)
Megalonaias nervosa — Oesch (1984), Vidrine (1993), Howells et al. (1996), Parmalee & Bogan (1998), ..., Williams et al. (2014), Pfeiffer et al. (2018), Pfeiffer et al. (2019), Graf & Cummings (2021)

Unio multiplicatus Lea, 1831
Lea, 1831, Trans. Amer. Phil. Soc. 4 [O. 1]: 70, pl. 4, fig. 2.

Unio multiplicatus — Lea (1831), Ravenel (1834), Jay (1835), B.H. Wright (1888), Singley (1893), Call (1895)
Unio heros — Ferussac (1835), Conrad (1840), Hanley (1843), Küster (1855), Reeve (1864)
Margarita (Unio) multiplicatus — Lea (1836), Lea (1838)
Margaron (Unio) multiplicatus — Lea (1852), Lea (1870)
Unio (Dysnomia) multiplicatus — Adams & Adams (1857)
Unio plicatus — Sowerby (1866)
Quadrula (sec. Crenodonta) heros — Simpson (1900), Simpson (1914)
Unio (s.s.) multiplicatus — Call (1900)
Quadrula heros — Ortmann (1909)
Megalonaias heros — Utterback (1915)
Megalonaias gigantea — Ortmann & Walker (1922), F.C. Baker (1928), Burch (1975)
Amblema (Megalonaias) gigantea — Frierson (1927)
Megalonaias gigantea gigantea — Haas (1969)
Megalonaias nervosa — Oesch (1984), Howells et al. (1996), Parmalee & Bogan (1998), Brim Box & Williams (2000), Williams et al. (2008), Watters et al. (2009), Pfeiffer et al. (2018)

Unio undulatus Say, 1831
‘Barnes’ Say, 1831, Amer. Conch. 2: pl. 16.
(misidentified reference to Unio undulatus Barnes, 1823)

Unio undulatus — Say (1831)
Unio heros — Ferussac (1835), Conrad (1840), Hanley (1843), Küster (1855)
Margarita (Unio) multiplicatus — Lea (1836), Lea (1838)
Margaron (Unio) multiplicatus — Lea (1852), Lea (1870)
Unio multiplicatus — Call (1895)
Quadrula (sec. Crenodonta) heros — Simpson (1900), Simpson (1914)
Megalonaias nervosa — Parmalee & Bogan (1998)

Plectomerus boykianus Conrad, 1853
‘Lea’ Conrad, 1853, Proc. Acad. Nat. Sci. 6: 260.
(error for Unio boykinianus Lea, 1840)

Plectomerus boykianus — Conrad (1853)

Unio eightsii Lea, 1860
Lea, 1860, Proc. Acad. Nat. Sci. 12: 306.
Lea, 1860, Jour. Acad. Nat. Sci. 4 [O. 8]: 367 [49], pl. 64, fig. 192.
Type(s): LECTOTYPE USNM_83991, Sabinas R., Nuevo Leon, Mexico.

Unio eightsii — Lea (1860), B.H. Wright (1888), Singley (1893)
Margaron (Unio) eightsii — Lea (1870)
Unio (Plectomerus) eightsii — Fischer & Crosse (1894)
Unio multiplicatus — Call (1895)
Quadrula (sec. Crenodonta) heros — Simpson (1900), Simpson (1914)
Unio (Crenodonta) digitatus — Martens (1900)
Amblema (Megalonaias) gigantea — Frierson (1927)
Megalonaias gigantea gigantea — Haas (1969)
Megalonaias nervosa — Howells et al. (1996), Parmalee & Bogan (1998), R.I. Johnson (1999), Williams et al. (2008), Watters et al. (2009), Pfeiffer et al. (2018)

Unio baykinianus Küster, 1861
‘Lea’ of Authors.
Küster, 1861, Conchyl. Cab. 9(2): 181.
Paetel, 1890, Cat. Conch.-Samml. 3: 145.
(error for Unio boykinianus Lea, 1840)

Unio baykinianus — Küster (1861)
Quadrula (sec. Crenodonta) boykiniana — Simpson (1900), Simpson (1914)

Unio atrocostatus Reeve, 1864
‘Lea’ Reeve, 1864, Conch. Icon. 16: pl. 4, sp. 13; errata [changed to ‘U. heros, Say’].
(error for Unio heros Say, 1829; misidentified reference to Unio atrocostatus Lea, 1845)

Unio atrocostatus — Reeve (1864)
Margaron (Unio) multiplicatus — Lea (1870)
Quadrula (sec. Crenodonta) heros — Simpson (1900), Simpson (1914)
Amblema (Megalonaias) gigantea — Frierson (1927)
Megalonaias gigantea gigantea — Haas (1969)
Megalonaias nervosa — Parmalee & Bogan (1998), Watters et al. (2009)

Unio atrocostatus Sowerby, 1868
‘Lea’ Sowerby, 1868, Conch. Icon. 16: pl. 77, sp. 404.
(misidentified reference to Unio atrocostatus Lea, 1845)

Unio atrocostatus — Sowerby (1868)
Quadrula (sec. Crenodonta) undulata — Simpson (1900), Simpson (1914)
Amblema (s.s.) plicata-costata — Frierson (1927)

Unio eighti Paetel, 1890
‘Lea’ Paetel, 1890, Cat. Conch.-Samml. 3: 151.
(error for Unio eightsii Lea, 1860)

Unio eighti — Paetel (1890)
Unio (Plectomerus) eightsii — Fischer & Crosse (1894)
Quadrula (sec. Crenodonta) heros — Simpson (1900), Simpson (1914)
Megalonaias nervosa — Parmalee & Bogan (1998), Watters et al. (2009)

Taxonomic History (since 1900)

Quadrula (sec. Crenodonta) undulata — Simpson (1900), Simpson (1914)
Quadrula (sec. Crenodonta) heros — Simpson (1900), Simpson (1914)
Unio (s.s.) multiplicatus — Call (1900)
Quadrula (sec. Crenodonta) boykiniana — Simpson (1900), Simpson (1914)
Unio (Crenodonta) digitatus — Martens (1900)
Quadrula (sec. Crenodonta) triumphans — Simpson (1900), Simpson (1914)
Quadrula triumphans — Simpson (1900)
Quadrula heros — Ortmann (1909)
Crenodonta heros — Ortmann (1912)
Megalonaias heros — Utterback (1915), Ortmann (1923)
Truncilla donaciformis — Ortmann & Walker (1922)
Megalonaias gigantea — Ortmann & Walker (1922), Ortmann (1924), Ortmann (1925), F.C. Baker (1928), ..., Mathiak (1979), Gordon et al. (1979), R.I. Johnson (1980), ITIS (2012)
Megalonaias triumphans — Ortmann (1923), Haas (1969)
Lampsilis (Ligumia) nervosa — Frierson (1927)
Amblema (Megalonaias) gigantea — Frierson (1927), Haas (1930)
Amblema (Megalonaias) gigantea-boykiniana — Frierson (1927)
Amblema (s.s.) plicata-costata — Frierson (1927)
Amblema (Megalonaias) triumphans — Frierson (1927)
Amblema (sec. Megalonaias) heros — Thiele (1934)
Crenodonta boykiniana — Clench & Turner (1956)
Ligumia nervosa — Haas (1969)
Megalonaias nervosa — Morrison (1969), Oesch (1984), Turgeon et al. (1988), Cummings & Mayer (1992), ..., Czaja et al. (2023), Neemuchwala et al. (2023), Hopper et al. (2023), Hauck et al. (2023)
Megalonaias gigantea gigantea — Haas (1969)
Megalonaias gigantea boykiniana — Haas (1969)
Amblema gigantea — Davis & Fuller (1981)
Megalonaias boykiniana — Davis (1984), Turgeon et al. (1988), Williams et al. (1993), Rosenberg et al. (1994), Rosenberg et al. (1997), Graf & Cummings (2007), Cummings & Graf (2010), ITIS (2012)
Amblema plicata — Vidrine (1993)
Tritogonia nervosa — ITIS (2012)
M. nervosa — Marshall et al. (2018)

Page updated: 07:11:07 Thu 04 Apr 2024

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