MUSSELpdb | valid sp. Elliptio crassidens synonymy

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Page last updated
Wed 06 Nov 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 Elliptio crassidens (Lamarck, 1819): nominal species
5 specimens available.

Unio crassidens Lamarck, 1819
Lamarck, 1819, Hist. Natur. Anim. sans Vert. 6: 71, sp. 3, var. b. [in part]
Type(s): LECTOTYPE MNHN_MPL_0030, “du lac Erie” .

Unio crassidens — Lamarck (1819), Lea (1834), Jay (1835), Hanley (1843), ..., Ortmann (1909), Ortmann (1909), Ortmann (1910), Vanatta (1915)
Unio crassus — Barnes (1823)
Unio niger — Ferussac (1835), Conrad (1836), Küster (1848)
Margarita (Unio) crassidens — Lea (1836), Lea (1838)
Mysca crassidens — Schlüter (1838)
Margaron (Unio) crassidens — Lea (1852), Lea (1870)
Unio (Elliptio) niger — Mörch (1853)
Unio (Lampsilis) crassidens — Adams & Adams (1857)
Unio (Limnium sec. Elliptio) crassidens — Fischer (1887)
Unio (sec. Elliptio) crassidens — Simpson (1900), Simpson (1914)
Unio (s.s.) crassidens — Call (1900)
Elliptio crassidens — Ortmann (1911), Ortmann (1912), Ortmann & Walker (1922), Ortmann (1924), ..., Smith (2021), Hopper et al. (2023), Hauck et al. (2023), MolluscaBase (2024)
Elliptio niger — Ortmann (1918), Modell (1942)
Elliptio (s.s.) niger — Frierson (1927)
Elliptio (s.s.) crassidens — Thiele (1934), Haas (1969), Burch (1975)
Elliptio (s.s.) crassidens crassidens — Haas (1969), R.I. Johnson (1970)
Elliptio crassidens crassidens — R.I. Johnson (1980), Oesch (1984)

Elliptio pachyodon Olson & Harbison, 1953
Pilsbry in Olson & Harbison, 1953, ANSP Monogr. 8: 447, pl. 65, fig. 8.

Elliptio pachyodon — Olson & Harbison (1953), MolluscaBase (2024)
Elliptio (s.s.) crassidens crassidens — R.I. Johnson (1970)
Elliptio (s.s.) crassidens — Burch (1975)
Elliptio crassidens — Watters et al. (2009)

Unio danielsii B.H. Wright, 1899
B.H. Wright, 1899, Nautilus 13(3): 31.
Type(s): HOLOTYPE USNM_168967, Spring Creek, Decatur Co., Georgia.

Unio danielsii — B.H. Wright (1899)
Unio (sec. Elliptio) danielsii — Simpson (1900), Simpson (1914)
Elliptio (s.s.) niger-danielsi — Frierson (1927)
Elliptio crassidens incrassatus — Clench & Turner (1956)
Elliptio (s.s.) crassidens danielsii — Haas (1969)
Elliptio (s.s.) crassidens crassidens — R.I. Johnson (1970)
Elliptio (s.s.) crassidens — Burch (1975)
Elliptio crassidens — Parmalee & Bogan (1998), Brim Box & Williams (2000), Watters et al. (2009), Williams et al. (2011), Williams et al. (2014)

Unio (Elliptio) nigra Rafinesque, 1820
Rafinesque, 1818, Amer. Mon. Mag. 3: 355 [as ‘Potamilus niger’]. [nomen nudum]
Rafinesque, 1820, Ann. Gén. Sci. Phys. 5 (13): 291, pl. 80, figs. 1-4.
Rafinesque, 1864, [in] Binney & Tryon, reprint: 22, 37.
Type(s): LECTOTYPE ANSP_20243, River Ohio.

Unio (Elliptio) nigra — Rafinesque (1820)
Potamilus niger — Rafinesque (1818)
Unio cuneatus — Ravenel (1834)
Unio niger — Ferussac (1835), Conrad (1836), Küster (1848), Agassiz (1852), Conrad (1853), Sowerby (1868)
Margarita (Unio) crassidens — Lea (1836), Lea (1838)
Margaron (Unio) crassidens — Lea (1852), Lea (1870)
Unio (Elliptio) niger — Mörch (1853)
Unio (sec. Elliptio) crassidens — Simpson (1900), Simpson (1914)
Elliptio nigra — Utterback (1915)
Unio crassidens — Vanatta (1915)
Elliptio niger — Ortmann (1918), Modell (1942)
Elliptio crassidens — Ortmann & Walker (1922), F.C. Baker (1928), Vidrine (1993), Parmalee & Bogan (1998), ..., Campbell & Lydeard (2012), Williams et al. (2014), Graf & Cummings (2021), MolluscaBase (2024)
Elliptio (s.s.) niger — Frierson (1927), Haas (1930)
Elliptio (s.s.) crassidens crassidens — Haas (1969), R.I. Johnson (1970)
Elliptio (s.s.) crassidens — Burch (1975)
Elliptio crassidens crassidens — R.I. Johnson (1980), Oesch (1984)

Unio (Elliptio) nigra var. fusca Rafinesque, 1820
Rafinesque, 1820, Ann. Gén. Sci. Phys. 5 (13): 293.
Rafinesque, 1864, [in] Binney & Tryon, reprint: 39.
(intro'd as intra-sp. of Unio (Elliptio) nigra Rafinesque, 1820)

Unio (Elliptio) nigra var. fusca — Rafinesque (1820)
Elliptio crassidens — Parmalee & Bogan (1998), Williams et al. (2008), Watters et al. (2009)

Unio (Elliptio) nigra var. maculata Rafinesque, 1820
Rafinesque, 1820, Ann. Gén. Sci. Phys. 5 (13): 293.
Rafinesque, 1864, [in] Binney & Tryon, reprint: 39.
(intro'd as intra-sp. of Unio (Elliptio) nigra Rafinesque, 1820)

Unio (Elliptio) nigra var. maculata — Rafinesque (1820)
Elliptio (s.s.) niger — Frierson (1927)
Fusconaia subrotunda — R.I. Johnson (1980)
Elliptio crassidens — Parmalee & Bogan (1998), Williams et al. (2008), Watters et al. (2009)

Unio cuneatus Barnes, 1823
Barnes, 1823, Amer. J. Sci. 6 (1-2): 263.

Unio cuneatus — Barnes (1823), Hildreth (1828), Lea (1829), Ravenel (1834)
Unio crassidens — Lea (1834), Jay (1835), Hanley (1843), Call (1895)
Unio niger — Ferussac (1835), Conrad (1836), Küster (1848), Agassiz (1852)
Margarita (Unio) crassidens — Lea (1836), Lea (1838)
Margaron (Unio) crassidens — Lea (1852), Lea (1870)
Unio (Elliptio) niger — Mörch (1853)
Unio (sec. Elliptio) crassidens — Simpson (1900), Simpson (1914)
Elliptio nigra — Utterback (1915)
Elliptio crassidens — Ortmann & Walker (1922), F.C. Baker (1928), Parmalee & Bogan (1998), Brim Box & Williams (2000), Williams et al. (2008), Watters et al. (2009)
Elliptio (s.s.) niger — Frierson (1927), Haas (1930)
Elliptio (s.s.) crassidens crassidens — Haas (1969), R.I. Johnson (1970)
Elliptio (s.s.) crassidens — Burch (1975)
Elliptio crassidens crassidens — Oesch (1984)

Obliquaria (Aximedia) venus Rafinesque, 1831
Rafinesque, 1831, Continuation: 3.
Rafinesque, 1864, [in] Binney & Tryon, reprint: 75.

Obliquaria (Aximedia) venus — Rafinesque (1831)
Unio venus — Ferussac (1835)
Quadrula (Fusconia) subrotunda — Frierson (1927)
Fusconaia subrotunda — Haas (1969)
Elliptio crassidens — Parmalee & Bogan (1998), Williams et al. (2008), Watters et al. (2009)

Unio niger Conrad, 1836
‘Rafinesque’ Conrad, 1836, Monogr. Fam. Unionidae 1(6): 49, pl. 46.
‘Rafinesque’ Conrad, 1853, Proc. Acad. Nat. Sci. 6: 253.
(reference to Unio (Elliptio) nigra Rafinesque, 1820)

Unio niger — Conrad (1836), Küster (1848)
Margarita (Unio) crassidens — Lea (1838)
Unio crassidens — Hanley (1843), B.H. Wright (1888), Call (1895)
Margaron (Unio) crassidens — Lea (1852), Lea (1870)
Unio (sec. Elliptio) crassidens — Simpson (1900)

Unio incrassatus Lea, 1840
Lea, 1840, Proc. Amer. Phil. Soc. 1: 286.
Lea, 1842, Trans. Amer. Phil. Soc. 8 [O. 3]: 217 [55], pl. 16, fig. 34.
Type(s): HOLOTYPE USNM_84537, Columbus, Ga.

Unio incrassatus — Lea (1840), Küster (1861), Reeve (1865), B.H. Wright (1888)
Margaron (Unio) incrassatus — Lea (1852), Lea (1870)
Unio niger — Conrad (1853)
Unio (Lampsilis) incrassatus — Adams & Adams (1857)
Unio crassidens — Call (1895)
Unio (sec. Elliptio) incrassatus — Simpson (1900)
Unio (sec. Elliptio) crassidens var. incrassatus — Simpson (1914)
Elliptio (s.s.) niger-incrassatus — Frierson (1927)
Elliptio crassidens incrassatus — Clench & Turner (1956)
Elliptio (s.s.) crassidens crassidens — Haas (1969), R.I. Johnson (1970)
Elliptio (s.s.) crassidens — Burch (1975)
Elliptio crassidens — Parmalee & Bogan (1998), Brim Box & Williams (2000), Williams et al. (2008), IUCN (2011), Williams et al. (2011), Williams et al. (2014)

Unio crassus Sowerby, 1868
‘Say’ Sowerby, 1868, Conch. Icon. 16: pl. 95, sp. 520.
(misidentified reference to Unio crassus Say, 1817)

Unio crassus — Sowerby (1868)
Lampsilis (sec. Eurynia) ligamentinus var. gibbus — Simpson (1900)
Lampsilis (Eurynia) ligamentina var. gibba — Simpson (1914)
Lampsilis (Ortmanniana) carinata-calendis — Frierson (1927)
Elliptio (s.s.) crassidens crassidens — Haas (1969)
Elliptio crassidens — Parmalee & Bogan (1998), Watters et al. (2009)

Unio discus Sowerby, 1868
‘Lea’ Sowerby, 1868, Conch. Icon. 16: pl. 62, sp. 310; errata.
(misidentified reference to Unio discus Lea, 1838)

Unio discus — Sowerby (1868)
Unio (sec. Elliptio) crassidens — Simpson (1900), Simpson (1914)
Unio (Lampsilis) discus — Martens (1900)
Elliptio (s.s.) niger — Frierson (1927)
Elliptio (s.s.) crassidens crassidens — Haas (1969), R.I. Johnson (1970)
Elliptio (s.s.) crassidens — Burch (1975)
Elliptio crassidens — Parmalee & Bogan (1998), Watters et al. (2009)

Taxonomic History (since 1900)

Unio (sec. Elliptio) crassidens — Simpson (1900), Simpson (1914)
Unio (s.s.) crassidens — Call (1900)
Unio (sec. Elliptio) incrassatus — Simpson (1900)
Lampsilis (sec. Eurynia) ligamentinus var. gibbus — Simpson (1900)
Unio (Lampsilis) discus — Martens (1900)
Unio (sec. Elliptio) danielsii — Simpson (1900), Simpson (1914)
Unio crassidens — Ortmann (1909), Ortmann (1909), Ortmann (1909), Ortmann (1910), Vanatta (1915)
Elliptio crassidens — Ortmann (1911), Ortmann (1912), Ortmann & Walker (1922), Ortmann (1924), ..., Smith (2021), Hopper et al. (2023), Hauck et al. (2023), MolluscaBase (2024)
Unio (sec. Elliptio) crassidens var. incrassatus — Simpson (1914)
Lampsilis (Eurynia) ligamentina var. gibba — Simpson (1914)
Elliptio nigra — Utterback (1915)
Elliptio niger — Ortmann (1918), Modell (1942)
Elliptio (s.s.) niger — Frierson (1927), Haas (1930)
Quadrula (Fusconia) subrotunda — Frierson (1927)
Elliptio (s.s.) niger-incrassatus — Frierson (1927)
Lampsilis (Ortmanniana) carinata-calendis — Frierson (1927)
Elliptio (s.s.) niger-danielsi — Frierson (1927)
Elliptio (s.s.) crassidens — Thiele (1934), Haas (1969), Burch (1975)
Elliptio pachyodon — Olson & Harbison (1953), MolluscaBase (2024)
Elliptio crassidens incrassatus — Clench & Turner (1956)
Elliptio (s.s.) crassidens crassidens — Haas (1969), R.I. Johnson (1970)
Fusconaia subrotunda — Haas (1969), R.I. Johnson (1980)
Elliptio (s.s.) crassidens danielsii — Haas (1969)
Elliptio crassidens crassidens — R.I. Johnson (1980), Oesch (1984)

Page updated: 08:42:30 Wed 06 Nov 2024

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