Mya complanata Lightfoot, 1786
Lister, 1685, Conch.: pl. 150, fig. 5.
Lightfoot, 1786, Catalogue of the Portland Museum: 100, no. 2190.
‘Solander’s MSS.’ Dillwyn, 1817, Descr. Cat. Rec. Shells 1: 51.

Mya complanata — Lightfoot (1786), Humphrey (1797), Dillwyn (1817)
Unio ellipticus — Barnes (1823)
Unio complanatus — Lea (1829), Lea (1834), Jay (1835), Ferussac (1835), ..., Ortmann (1909), Ortmann (1909), Ortmann (1910), Walker (1918)
Unio complanata — Ravenel (1834), Agassiz (1852)
Margarita (Unio) complanata — Lea (1836)
Margarita (Unio) complanatus — Lea (1838)
Unio (Alasm.) complanatus — Middendorff (1851)
Margaron (Unio) complanatus — Lea (1852)
Unio (Elliptio) purpureus — Mörch (1853)
Unio (Niäa) complanata — Adams & Adams (1857)
Unio purpureus — Sowerby (1868)
Naia complanatus — Perkins (1869)
Margaron (Unio) complanata — Lea (1870)
Unio (sec. Elliptio) complanatus — Simpson (1900), Simpson (1914)
Elliptio complanatus — Ortmann (1911), Ortmann & Walker (1922), F.C. Baker (1928)
Elliptio (s.s.) complanatus — Frierson (1927)
Elliptio (s.s.) violaceus violaceus — Haas (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)
Elliptio complanata — Clarke (1973), Mathiak (1979), Mackie et al. (1980), R.I. Johnson (1980), ..., Wu et al. (2024), Dai et al. (2024), MolluscaBase (2024), Wu et al. (2024)
“L.” complanata — Marshall et al. (2018)

Unio mediocris Lea, 1863
Lea, 1863, Proc. Acad. Nat. Sci. 15: 192.
Lea, 1866, Jour. Acad. Nat. Sci. 6 [O. 11]: 24 [28], pl. 7, fig. 22.
Type(s): HOLOTYPE USNM_85611, Neuse R., Raleigh, N.C.

Unio mediocris — Lea (1863), Lea (1866), B.H. Wright (1888)
Margaron (Unio) mediocris — Lea (1870)
Unio (sec. Elliptio) complanatus — Simpson (1900), Simpson (1914)
Elliptio (s.s.) complanatus — Frierson (1927)
Elliptio (s.s.) violaceus violaceus — Haas (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)
Elliptio mediocris — Bogan (2002)

Unio decumbens Lea, 1861
Lea, 1861, Proc. Acad. Nat. Sci. 13: 40.
Lea, 1862, Jour. Acad. Nat. Sci. 5 [O. 8]: 87 [291], pl. 12, fig. 236.
Type(s): HOLOTYPE USNM_86150, Alabama.

Unio decumbens — Lea (1861), Sowerby (1868), B.H. Wright (1888)
Margaron (Unio) decumbens — Lea (1870)
Margaritana decumbens — Simpson (1900), Simpson (1914)
Elliptio (s.s.) complanatus — Frierson (1927)
Margaritifera decumbens — Haas (1969), D.G. Smith (2001)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)

Unio violaceus Spengler, 1793
Spengler, 1793, Skr. Naturhist. Selsk. 3: 55, no. 22.

Unio violaceus — Spengler (1793)
Unio complanatus — Ferussac (1835), Conrad (1853), Walker (1918)
Margarita (Unio) complanata — Lea (1836)
Margarita (Unio) complanatus — Lea (1838)
Margaron (Unio) complanatus — Lea (1852)
Unio (Elliptio) niger — Mörch (1853)
Margaron (Unio) complanata — Lea (1870)
Unio (sec. Elliptio) complanatus — Simpson (1900), Simpson (1914)
Elliptio complanatus — Ortmann & Walker (1922)
Elliptio (s.s.) complanatus — Frierson (1927)
Elliptio (s.s.) violaceus violaceus — Haas (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)

Unio subinflatus Conrad, 1835
Conrad, 1835, New Fresh-Water Shells, Appendix: 5, pl. 9, fig. 2.
Conrad, 1838, Monogr. Fam. Unionidae 2(11): 97, pl. 54, fig. 1.
Conrad, 1853, Proc. Acad. Nat. Sci. 6: 258.
Type(s): SYNTYPE ANSP_119985, Augusta, Ga.

Unio subinflatus — Conrad (1835), Conrad (1838), Conrad (1853), B.H. Wright (1888)
Margaron (Unio) complanatus — Lea (1852)
Margaron (Unio) subinflatus — Lea (1870)
Unio (sec. Elliptio) subinflatus — Simpson (1900), Simpson (1914)
Elliptio (s.s.) complanatus-subinflatus — Frierson (1927)
Elliptio (s.s.) violaceus subinflatus — Haas (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)

Unio jejunus Lea, 1838
Lea, 1836, Synopsis Fam. Naiades: 30. [nomen nudum]
Lea, 1838, Trans. Amer. Phil. Soc. 6 [O. 2]: 9, pl. 4, fig. 9.
Type(s): HOLOTYPE USNM_85475, near Camden, S.C.

Unio jejunus — Lea (1838), Hanley (1843), Conrad (1853), Küster (1862), B.H. Wright (1888)
Margarita (Unio) jejunus — Lea (1838)
Margaron (Unio) jejunus — Lea (1852), Lea (1870)
Unio (Niäa) jejunus — Adams & Adams (1857)
Unio (sec. Elliptio) complanatus var. jejunus — Simpson (1900), Simpson (1914)
Elliptio (s.s.) complanatus-jejunus — Frierson (1927)
Elliptio (s.s.) violaceus jejunus — Haas (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)

Unio cuvierianus Lea, 1852
Lea, 1852, Trans. Amer. Phil. Soc. 10 [O. 5]: 263 [19], pl. 16, fig. 16.
Lea, 1852, Proc. Amer. Phil. Soc. 5: 251. [nomen nudum]
Type(s): HOLOTYPE USNM_85401, Washington Co., Ga.

Unio cuvierianus — Lea (1852), Conrad (1853), B.H. Wright (1888)
Margaron (Unio) cuvierianus — Lea (1852), Lea (1870)
Unio (Niäa) cuvierianus — Adams & Adams (1857)
Unio (sec. Elliptio) icterinus — Simpson (1900)
Unio (sec. Elliptio) cuvierianus — Simpson (1914)
Elliptio (s.s.) complanatus-cuvierianus — Frierson (1927)
Elliptio (s.s.) violaceus cuvierianus — Haas (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)

Unio geminus Lea, 1856
Lea, 1856, Proc. Acad. Nat. Sci. 8: 262.
Lea, 1858, Jour. Acad. Nat. Sci. 4 [O. 6]: 63, pl. 10, fig. 45.
Type(s): HOLOTYPE USNM_84856, Buckhead Cr., Burke Co., Ga.

Unio geminus — Lea (1856), B.H. Wright (1888)
Margaron (Unio) geminus — Lea (1870)
Unio (sec. Elliptio) geminus — Simpson (1900), Simpson (1914)
Elliptio (s.s.) geminus — Frierson (1927), Haas (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)

Unio insulsus Lea, 1857
Lea, 1857, Proc. Acad. Nat. Sci. 9: 86.
Lea, 1862, Jour. Acad. Nat. Sci. 5 [O. 8]: 53 [57], pl. 1, fig. 199.
Type(s): HOLOTYPE USNM_85644, Roanoke R., Weldon, N.C.

Unio insulsus — Lea (1857), B.H. Wright (1888)
Margaron (Unio) insulsus — Lea (1870)
Unio (sec. Elliptio) insulsus — Simpson (1900), Simpson (1914)
Elliptio (s.s.) insulsus — Frierson (1927), Haas (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)

Unio spadiceus Lea, 1857
Lea, 1857, Proc. Acad. Nat. Sci. 9: 86.
Lea, 1862, Jour. Acad. Nat. Sci. 5 [O. 8]: 55 [59], pl. 1, fig. 201.
Type(s): HOLOTYPE USNM_85251, Deep R., N.C.

Unio spadiceus — Lea (1857), B.H. Wright (1888)
Margaron (Unio) spadiceus — Lea (1870)
Unio (sec. Elliptio) spadiceus — Simpson (1900), Simpson (1914)
Elliptio (s.s.) spadiceus — Frierson (1927), Haas (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)

Unio wheatleyi Lea, 1857
Lea, 1857, Proc. Acad. Nat. Sci. 9: 85.
(renamed Unio catawbensis Lea, 1857)

Unio wheatleyi — Lea (1857)
Unio (sec. Elliptio) catawbensis — Simpson (1900)
Unio (sec. Elliptio) rostrum — Simpson (1914)
Elliptio (s.s.) complanatus-catawbensis — Frierson (1927)
Elliptio (s.s.) violaceus wheatleyi — Haas (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)
Elliptio complanata — Bieler (2021)

Unio northamptonensis Lea, 1861
Lea, 1861, Proc. Acad. Nat. Sci. 13: 392.
Lea, 1862, Jour. Acad. Nat. Sci. 5 [O. 9]: 190 [12], pl. 25, fig. 260.
Type(s): HOLOTYPE USNM_85527, Conn. R., Northampton, Mass.

Unio northamptonensis — Lea (1861), B.H. Wright (1888), de Gregorio (1914)
Margaron (Unio) northamptonensis — Lea (1870)
Unio (sec. Elliptio) roanokensis var. northamptonensis — Simpson (1900), Simpson (1914)
Elliptio (s.s.) complanatus-northamptonensis — Frierson (1927)
Elliptio (s.s.) violaceus northamptonensis — Haas (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)

Unio purpureus Say, 1817
Say, 1817, Nich. Encyc. 2: [12,] pl. 3, fig. 1.
Say, 1819, Nich. Encyc. 4: [17,] pl. 3, fig. 1.
Say, 1858, [in] Binney, Compl. Writings T. Say: 50.
(renamed Unio purpurascens Lamarck, 1819)

Unio purpureus — Say (1817), Say (1819), Barnes (1823), Bory de St. Vincent (1827), Sowerby (1868)
Unio purpurascens — Lamarck (1819), Menke (1830), Deshayes (1832)
Unio (Elliptio) purpureus — Rafinesque (1820), Mörch (1853)
Unio complanatus — Lea (1829), Lea (1834), Ferussac (1835), Hanley (1843), De Kay (1843), Conrad (1853), Küster (1856)
Unio complanata — Ravenel (1834)
Margarita (Unio) complanata — Lea (1836)
Margarita (Unio) complanatus — Lea (1838)
Margaron (Unio) complanatus — Lea (1852)
Naia complanatus — Perkins (1869)
Margaron (Unio) complanata — Lea (1870)
Unio (sec. Elliptio) complanatus — Simpson (1900), Simpson (1914)
Elliptio (s.s.) complanatus — Frierson (1927)
Elliptio (s.s.) violaceus violaceus — Haas (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)

Unio carinifera Lamarck, 1819
Lamarck, 1819, Hist. Natur. Anim. sans Vert. 6: 74, sp. 16.
Type(s): HOLOTYPE MNHN_MPL_0012, Habite la rivière Hudson de l’etat de New-Yorck [Lives in the Hudson River, New York].

Unio carinifera — Lamarck (1819)
Unio purpureus — Barnes (1823), Sowerby (1868)
Unio complanatus — Lea (1829), Lea (1834), Ferussac (1835), Hanley (1843), Conrad (1853)
Unio complanata — Ravenel (1834)
Margarita (Unio) complanata — Lea (1836)
Margarita (Unio) complanatus — Lea (1838)
Margaron (Unio) complanatus — Lea (1852)
Unio cariniferus — Küster (1861)
Margaron (Unio) complanata — Lea (1870)
Unio (sec. Elliptio) complanatus — Simpson (1900), Simpson (1914)
Elliptio (s.s.) complanatus — Frierson (1927)
Elliptio (s.s.) violaceus violaceus — Haas (1969)
Elliptio complanata — R.I. Johnson (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)

Unio coarctata Lamarck, 1819
Lamarck, 1819, Hist. Natur. Anim. sans Vert. 6: 73, sp. 11.
Type(s): HOLOTYPE MNHN_MPL_0005, [Habite la rivière d’Hudson [New York].

Unio coarctata — Lamarck (1819), Deshayes (1832)
Unio purpureus — Barnes (1823)
Unio coarctatus — Menke (1828), Menke (1830), Sowerby (1866)
Unio complanatus — Lea (1829), Lea (1834), Ferussac (1835), Hanley (1843), Conrad (1853)
Margarita (Unio) complanata — Lea (1836)
Margarita (Unio) complanatus — Lea (1838)
Margaron (Unio) complanatus — Lea (1852)
Margaron (Unio) complanata — Lea (1870)
Unio (sec. Elliptio) complanatus — Simpson (1900), Simpson (1914)
Elliptio (s.s.) complanatus — Frierson (1927)
Elliptio (s.s.) violaceus violaceus — Haas (1969)
Elliptio complanata — R.I. Johnson (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)

Unio georgina Lamarck, 1819
Lamarck, 1819, Hist. Natur. Anim. sans Vert. 6: 74, sp. 17.
Type(s): HOLOTYPE MNHN_MPL_0013, Habite le lac George.

Unio georgina — Lamarck (1819)
Unio purpureus — Barnes (1823), Sowerby (1868)
Unio complanatus — Lea (1829), Lea (1834), Ferussac (1835), Hanley (1843), Conrad (1853)
Margarita (Unio) complanata — Lea (1836)
Margarita (Unio) complanatus — Lea (1838)
Margaron (Unio) complanatus — Lea (1852)
Margaron (Unio) complanata — Lea (1870)
Unio (sec. Elliptio) complanatus — Simpson (1900), Simpson (1914)
Elliptio (s.s.) complanatus — Frierson (1927)
Elliptio (s.s.) violaceus violaceus — Haas (1969)
Elliptio complanata — R.I. Johnson (1969), Strayer & Jirka (1997)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)

Unio glabrata Lamarck, 1819
Lamarck, 1819, Hist. Natur. Anim. sans Vert. 6: 75, sp. 21.
Type(s): HOLOTYPE MNHN_MPL_0021, Habite la rivière de l’Ohio. Michaud.

Unio glabrata — Lamarck (1819)
Unio cariosus — Lea (1829)
Unio complanatus — Lea (1834), Ferussac (1835), Hanley (1843), Conrad (1853)
Margarita (Unio) complanata — Lea (1836)
Margarita (Unio) complanatus — Lea (1838)
Margaron (Unio) complanatus — Lea (1852)
Unio purpureus — Sowerby (1868)
Margaron (Unio) complanata — Lea (1870)
Unio (sec. Elliptio) complanatus — Simpson (1900), Simpson (1914)
Elliptio (s.s.) complanatus — Frierson (1927)
Elliptio (s.s.) violaceus violaceus — Haas (1969)
Elliptio complanata — R.I. Johnson (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)

Unio purpurascens Lamarck, 1819
Lamarck, 1819, Hist. Natur. Anim. sans Vert. 6: 73, sp. 12.
(new name for Unio purpureus Say, 1817)
Type(s): PARATYPE MNHN_MPL_0008, Habite les rivières de l’etat de New-Yorck [Lives in the rivers of the State of New York ].

Unio purpurascens — Lamarck (1819), Menke (1828), Menke (1830), Deshayes (1832)
Unio purpureus — Barnes (1823), Bory de St. Vincent (1827), Sowerby (1868)
Unio complanatus — Lea (1829), Lea (1834), Ferussac (1835), Hanley (1843), Conrad (1853), Küster (1856)
Margarita (Unio) complanata — Lea (1836)
Mysca purpurascens — Schlüter (1838)
Margarita (Unio) complanatus — Lea (1838)
Unio (Cunicula) purpurascens — Swainson (1840)
Margaron (Unio) complanatus — Lea (1852)
Unio (Elliptio) purpureus — Mörch (1853)
Margaron (Unio) complanata — Lea (1870)
Unio (sec. Elliptio) complanatus — Simpson (1900), Simpson (1914)
Elliptio (s.s.) complanatus — Frierson (1927)
Elliptio (s.s.) violaceus violaceus — Haas (1969)
Elliptio complanata — R.I. Johnson (1969), Strayer & Jirka (1997), Campbell & Lydeard (2012)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)

Unio rarisulcata Lamarck, 1819
Lamarck, 1819, Hist. Natur. Anim. sans Vert. 6: 72, sp. 10.

Unio rarisulcata — Lamarck (1819)
Unio purpureus — Barnes (1823)
Unio rarisulcatus — Menke (1828), Menke (1830)
Unio complanatus — Lea (1829), Lea (1834), Ferussac (1835), Hanley (1843), Conrad (1853)
Margarita (Unio) complanata — Lea (1836)
Margarita (Unio) complanatus — Lea (1838)
Margaron (Unio) complanatus — Lea (1852)
Margaron (Unio) complanata — Lea (1870)
Unio (sec. Elliptio) complanatus — Simpson (1900), Simpson (1914)
Elliptio (s.s.) complanatus — Frierson (1927)
Elliptio (s.s.) violaceus violaceus — Haas (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)
Elliptio complanata — Strayer & Jirka (1997)

Unio rhombula Lamarck, 1819
Lamarck, 1819, Hist. Natur. Anim. sans Vert. 6: 74, sp. 15.
Type(s): POSSIBLE SYNTYPE MNHN_MPL_0011, La variété [b] vient de la rivière Hudson des Etas-Unis [The [b] variety comes from the Hudson River of the United States].

Unio rhombula — Lamarck (1819)
Unio purpureus — Barnes (1823), Sowerby (1868)
Unio complanatus — Lea (1829), Lea (1834), Ferussac (1835), Hanley (1843), Conrad (1853)
Margarita (Unio) complanata — Lea (1836)
Margarita (Unio) complanatus — Lea (1838)
Margaron (Unio) complanatus — Lea (1852)
Margaron (Unio) complanata — Lea (1870)
Unio (sec. Elliptio) complanatus — Simpson (1900), Simpson (1914)
Elliptio (s.s.) complanatus — Frierson (1927)
Elliptio (s.s.) violaceus violaceus — Haas (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)
Elliptio complanata — Strayer & Jirka (1997)

Unio sulcidens Lamarck, 1819
Lamarck, 1819, Hist. Natur. Anim. sans Vert. 6: 77, sp. 30.
Type(s): HOLOTYPE MNHN_MPL_0029, Connecticut.

Unio sulcidens — Lamarck (1819)
Unio complanatus — Lea (1829), Lea (1834), Ferussac (1835), Hanley (1843), Conrad (1853)
Margarita (Unio) complanata — Lea (1836)
Margarita (Unio) complanatus — Lea (1838)
Margaron (Unio) complanatus — Lea (1852)
Unio purpureus — Sowerby (1868)
Margaron (Unio) complanata — Lea (1870)
Unio (sec. Elliptio) complanatus — Simpson (1900), Simpson (1914)
Elliptio (s.s.) complanatus — Frierson (1927)
Elliptio (s.s.) violaceus violaceus — Haas (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)

Unio virginiana Lamarck, 1819
Lamarck, 1819, Hist. Natur. Anim. sans Vert. 6: 79, sp. 39.

Unio virginiana — Lamarck (1819)
Unio virginianus — Menke (1828)
Unio radiatus — Lea (1829), Ravenel (1834), Lea (1834), Ferussac (1835), Conrad (1836), Hanley (1843), Küster (1848), Conrad (1853), Reeve (1865)
Mysca virginiana — Schlüter (1838)
Margarita (Unio) radiatus — Lea (1838)
Margaron (Unio) radiatus — Lea (1852), Lea (1870)
Unio (Lampsilis) virginianus — Mörch (1853)
Lampsilis (sec. Eurynia) radiatus — Simpson (1900)
Unio (sec. Elliptio) complanatus — Simpson (1900), Simpson (1914)
Lampsilis (Eurynia) radiata — Simpson (1914)
Elliptio (s.s.) complanatus — Frierson (1927)
Lampsilis (Ligumia) radiata — Frierson (1927)
Elliptio (s.s.) violaceus violaceus — Haas (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)

Unio (Elliptio) aurata Rafinesque, 1820
Rafinesque, 1818, Amer. Mon. Mag. 3: 355 [as ‘Potamilus auratus’]. [nomen nudum]
Rafinesque, 1820, Ann. Gén. Sci. Phys. 5 (13): 295.
Rafinesque, 1864, [in] Binney & Tryon, reprint: 22, 40.

Unio (Elliptio) aurata — Rafinesque (1820)
Potamilus aurata — Rafinesque (1818)
Unio complanatus — Ferussac (1835), Conrad (1853)
Elliptio (s.s.) complanatus — Frierson (1927)
Elliptio (s.s.) violaceus violaceus — Haas (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)
Elliptio complanata — Strayer & Jirka (1997)

Unio fluviatilis Green, 1827
Green, 1827, Contrib. Maclurian Lyceum 1: 41.

Unio fluviatilis — Green (1827)
Unio complanatus — Lea (1829), Ferussac (1835)
Margarita (Unio) complanata — Lea (1836)
Margarita (Unio) complanatus — Lea (1838)
Margaron (Unio) complanatus — Lea (1852)
Margaron (Unio) complanata — Lea (1870)
Unio (sec. Elliptio) complanatus — Simpson (1900), Simpson (1914)
Elliptio (s.s.) complanatus — Frierson (1927)
Elliptio (s.s.) violaceus violaceus — Haas (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)
Elliptio complanata — Strayer & Jirka (1997)

Unio rigidus Wood, 1828
Wood, 1828, Suppl. Index Testac.: 3 [as ‘Mya rigida’].
Wood, 1828, Suppl. Index Testac.: 57, pl. 1, sp. 10.
Wood & Hanley, 1856, Index Testac.: 200.

Unio rigidus — Wood (1828)
Unio siliquoideus — Ferussac (1835)
Margarita (Unio) complanata — Lea (1836)
Margarita (Unio) complanatus — Lea (1838)
Margaron (Unio) complanatus — Lea (1852)
Margaron (Unio) complanata — Lea (1870)
Unio (sec. Elliptio) complanatus — Simpson (1900), Simpson (1914)
Elliptio (s.s.) complanatus — Frierson (1927)
Elliptio (s.s.) violaceus violaceus — Haas (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)

Unio carenifera Ravenel, 1834
‘Lam’ Ravenel, 1834, Cat. Rec. Shells: 6.
(error for Unio carinifera Lamarck, 1819)

Unio carenifera — Ravenel (1834)

Unio griffithianus Lea, 1834
Lea, 1834, Trans. Amer. Phil. Soc. 5 [O. 1]: 103, pl. 15, fig. 46.
Type(s): HOLOTYPE USNM_85610, S.C.

Unio griffithianus — Lea (1834), Ferussac (1835), Hanley (1843), Conrad (1853), Küster (1861), Sowerby (1868), B.H. Wright (1888)
Margarita (Unio) griffithianus — Lea (1836), Lea (1838)
Margaron (Unio) griffithianus — Lea (1852), Lea (1870)
Unio (Niäa) griffithianus — Adams & Adams (1857)
Unio (sec. Elliptio) complanatus — Simpson (1900), Simpson (1914)
Elliptio (s.s.) complanatus — Frierson (1927)
Elliptio (s.s.) violaceus violaceus — Haas (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)

Unio perpureus Ravenel, 1834
‘Say’ Ravenel, 1834, Cat. Rec. Shells: 6.
(error for Unio purpureus Say, 1817)

Unio perpureus — Ravenel (1834)

Unio verginiana Ravenel, 1834
‘Lam.’ Ravenel, 1834, Cat. Rec. Shells: 6.
(error for Unio virginiana Lamarck, 1819)

Unio verginiana — Ravenel (1834)

Margarita (Unio) paliatus Lea, 1836
“Ravenel’s letter” Lea, 1836, Synopsis Fam. Naiades: 31. [nomen nudum]
Lea, 1838, Synopsis Fam. Naiades: 22. [nomen nudum]
Lea, 1852, Synopsis Fam. Naiades: 33. [nomen nudum]
‘Ravenel’s Letter’ Lea, 1870, Synopsis Fam. Naiades: 53. [nomen nudum]
Type(s): NOMEN NUDUM USNM_85658, Santee Canal, S.C.

Margarita (Unio) paliatus — Lea (1836), Lea (1838)
Unio confertus — Hanley (1843)
Unio paliatus — Conrad (1853)
Margaron (Unio) paliatus — Lea (1870)
Unio (sec. Elliptio) errans — Simpson (1900), Simpson (1914)

Unio (Cunicula) purpurata Swainson, 1840
‘Lam.’ Swainson, 1840, Treat. Malacol.: 267, 274.
(error for Unio purpurascens Lamarck, 1819)

Unio (Cunicula) purpurata — Swainson (1840)

Unio fuliginosus Lea, 1845
Lea, 1845, Proc. Amer. Phil. Soc. 4: 164.
Lea, 1848, Trans. Amer. Phil. Soc. 10 [O. 4]: 78 [52], pl. 7, fig. 19.
Type(s): HOLOTYPE USNM_85665, Cobbs Cr., near Phil, Pennsylvania.

Unio fuliginosus — Lea (1845), Conrad (1853), B.H. Wright (1888)
Margaron (Unio) fuliginosus — Lea (1852), Lea (1870)
Unio (Niäa) fuliginosus — Adams & Adams (1857)
Unio purpureus — Sowerby (1868)
Unio (sec. Elliptio) complanatus — Simpson (1900)
Unio (sec. Elliptio) icterinus — Simpson (1900), Simpson (1914)
Elliptio (s.s.) complanatus — Frierson (1927)
Elliptio (s.s.) violaceus violaceus — Haas (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)

Unio vicinus Lea, 1856
Lea, 1856, Proc. Acad. Nat. Sci. 8: 262.
Lea, 1858, Jour. Acad. Nat. Sci. 4 [O. 6]: 61, pl. 9, fig. 43.
Type(s): HOLOTYPE USNM_85543, Swift Cr., bel. Macon, Ga.

Unio vicinus — Lea (1856), B.H. Wright (1888)
Margaron (Unio) vicinus — Lea (1870)
Unio (sec. Elliptio) errans — Simpson (1900), Simpson (1914)
Elliptio (s.s.) complanatus — Frierson (1927)
Elliptio (s.s.) violaceus violaceus — Haas (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)

Unio abbevillensis Lea, 1857
Lea, 1857, Proc. Acad. Nat. Sci. 9: 84.
Lea, 1858, Jour. Acad. Nat. Sci. 4 [O. 6]: 51 [51], pl. 6, fig. 34.
Type(s): HOLOTYPE USNM_85583, Newmarket (Abbeville District) S. Carolina.

Unio abbevillensis — Lea (1857), B.H. Wright (1888)
Margaron (Unio) abbevillensis — Lea (1870)
Unio abevillensis — Paetel (1890)
Unio (sec. Elliptio) complanatus — Simpson (1900), Simpson (1914)
Elliptio (s.s.) complanatus — Frierson (1927)
Elliptio (s.s.) violaceus violaceus — Haas (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)

Unio catawbensis Lea, 1857
Lea, 1857, Proc. Acad. Nat. Sci. 9: 104.
Lea, 1862, Jour. Acad. Nat. Sci. 5 [O. 8]: 54 [58], pl. 1, fig. 200.
(new name for Unio wheatleyi Lea, 1857)
Type(s): HOLOTYPE USNM_85547, Catawba R., N.C.

Unio catawbensis — Lea (1857), B.H. Wright (1888)
Margaron (Unio) catawbensis — Lea (1870)
Unio (sec. Elliptio) catawbensis — Simpson (1900)
Unio (sec. Elliptio) rostrum — Simpson (1914)
Elliptio (s.s.) complanatus-catawbensis — Frierson (1927)
Elliptio (s.s.) violaceus wheatleyi — Haas (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)
Elliptio complanata — Bieler (2021)

Unio contractus Lea, 1857
Lea, 1857, Proc. Acad. Nat. Sci. 9: 86.
Lea, 1862, Jour. Acad. Nat. Sci. 5 [O. 9]: 203 [25], pl. 29, fig. 272.
Type(s): HOLOTYPE USNM_86102, Roanoke R., Weldon, N.C.

Unio contractus — Lea (1857), B.H. Wright (1888)
Margaron (Unio) contractus — Lea (1870)
Unio (sec. Elliptio) complanatus — Simpson (1900), Simpson (1914)
Elliptio (s.s.) errans — Frierson (1927)
Elliptio (s.s.) violaceus violaceus — Haas (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)

Unio percoarctatus Lea, 1857
Lea, 1857, Proc. Acad. Nat. Sci. 9: 85.
Lea, 1862, Jour. Acad. Nat. Sci. 5 [O. 8]: 59 [63], pl. 3, fig. 206.
Type(s): HOLOTYPE USNM_85529, Catawba R., Mecklenburg Co., N.C.

Unio percoarctatus — Lea (1857), Sowerby (1866), B.H. Wright (1888)
Margaron (Unio) percoarctatus — Lea (1870)
Unio (sec. Elliptio) complanatus var. jejunus — Simpson (1900), Simpson (1914)
Elliptio (s.s.) complanatus-jejunus — Frierson (1927)
Elliptio (s.s.) violaceus jejunus — Haas (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)

Unio savannahensis Lea, 1857
Lea, 1857, Proc. Acad. Nat. Sci. 9: 169.
Lea, 1858, Jour. Acad. Nat. Sci. 4 [O. 6]: 81, pl. 16, fig. 61.
Type(s): HOLOTYPE USNM_85404, Savannah R., Ga.

Unio savannahensis — Lea (1857), B.H. Wright (1888)
Margaron (Unio) savannahensis — Lea (1870)
Unio (sec. Elliptio) complanatus — Simpson (1900), Simpson (1914)
Elliptio (s.s.) complanatus — Frierson (1927)
Elliptio (s.s.) violaceus violaceus — Haas (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)

Unio subflavus Lea, 1857
Lea, 1857, Proc. Acad. Nat. Sci. 9: 170.
Lea, 1858, Jour. Acad. Nat. Sci. 4 [O. 6]: 90, pl. 19, fig. 70.
Type(s): HOLOTYPE USNM_85562, Walnut Creek, near Macon, Ga.

Unio subflavus — Lea (1857), B.H. Wright (1888)
Margaron (Unio) subflavus — Lea (1870)
Unio (sec. Elliptio) complanatus — Simpson (1900), Simpson (1914)
Elliptio (s.s.) complanatus — Frierson (1927)
Elliptio (s.s.) violaceus violaceus — Haas (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)

Unio virens Lea, 1857
Lea, 1857, Proc. Acad. Nat. Sci. 9: 169.
Lea, 1858, Jour. Acad. Nat. Sci. 4 [O. 6]: 80, pl. 16, fig. 60.
Type(s): HOLOTYPE USNM_85544, Georgia.

Unio virens — Lea (1857), B.H. Wright (1888)
Margaron (Unio) virens — Lea (1870)
Unio (sec. Elliptio) complanatus — Simpson (1900), Simpson (1914)
Elliptio (s.s.) complanatus — Frierson (1927)
Elliptio (s.s.) violaceus violaceus — Haas (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)

Unio exactus Lea, 1858
Lea, 1858, Proc. Acad. Nat. Sci. 10: 41.
Lea, 1862, Jour. Acad. Nat. Sci. 5 [O. 8]: 62 [66], pl. 4, fig. 210.
Type(s): HOLOTYPE USNM_85002, Neuse R., near Raleigh, N.C.

Unio exactus — Lea (1858), B.H. Wright (1888)
Margaron (Unio) exactus — Lea (1870)
Unio (sec. Elliptio) complanatus — Simpson (1900), Simpson (1914)
Elliptio (s.s.) complanatus — Frierson (1927)
Elliptio (s.s.) violaceus violaceus — Haas (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)

Unio neusensis Lea, 1858
Lea, 1858, Proc. Acad. Nat. Sci. 10: 41.
Lea, 1862, Jour. Acad. Nat. Sci. 5 [O. 8]: 60 [64], pl. 4, fig. 208.
Type(s): HOLOTYPE USNM_85465, Neuse R., near Raleigh, N.C.

Unio neusensis — Lea (1858), B.H. Wright (1888)
Margaron (Unio) neusensis — Lea (1870)
Unio (sec. Elliptio) complanatus — Simpson (1900), Simpson (1914)
Elliptio (s.s.) complanatus — Frierson (1927)
Elliptio (s.s.) violaceus violaceus — Haas (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)

Unio postellii Lea, 1858
Lea, 1858, Proc. Acad. Nat. Sci. 10: 165.
Lea, 1862, Jour. Acad. Nat. Sci. 5 [O. 9]: 214 [32], pl. 26, fig. 94.
Type(s): HOLOTYPE USNM_85470, Carter’s Cr., Baldwin Co., Ga.

Unio postellii — Lea (1858), Sowerby (1866), B.H. Wright (1888)
Margaron (Unio) postellii — Lea (1870)
Unio (sec. Elliptio) complanatus — Simpson (1900), Simpson (1914)
Elliptio (s.s.) complanatus — Frierson (1927)
Elliptio strigosus — Clench & Turner (1956)
Elliptio (s.s.) violaceus violaceus — Haas (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)

Unio purus Lea, 1858
Lea, 1858, Proc. Acad. Nat. Sci. 10: 41.
Lea, 1862, Jour. Acad. Nat. Sci. 5 [O. 8]: 61 [65], pl. 4, fig. 209.
Type(s): HOLOTYPE USNM_85003, Neuse R., near Raleigh, N.C.

Unio purus — Lea (1858), B.H. Wright (1888)
Margaron (Unio) purus — Lea (1870)
Unio (sec. Elliptio) purus — Simpson (1900), Simpson (1914)
Elliptio (s.s.) complanatus — Frierson (1927)
Elliptio (s.s.) violaceus violaceus — Haas (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)

Unio baldwinensis Lea, 1859
Lea, 1859, Proc. Acad. Nat. Sci. 11: 170.
Lea, 1860, Jour. Acad. Nat. Sci. 4 [O. 8]: 330 [12], pl. 51, fig. 155.
Type(s): HOLOTYPE USNM_85420, Carter’s Cr., Baldwin Co., N.C. [Georgia].

Unio baldwinensis — Lea (1859), B.H. Wright (1888)
Margaron (Unio) baldwinensis — Lea (1870)
Unio (sec. Elliptio) complanatus — Simpson (1900), Simpson (1914)
Elliptio (s.s.) complanatus — Frierson (1927)
Elliptio (s.s.) violaceus violaceus — Haas (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)

Unio burkensis Lea, 1859
Lea, 1859, Proc. Acad. Nat. Sci. 11: 112.
Lea, 1859, Jour. Acad. Nat. Sci. 4 [O. 7]: 215 [33], pl. 27, fig. 95.
Type(s): HOLOTYPE USNM_85998, Buck Head Cr., Burke Co., Ga.

Unio burkensis — Lea (1859), B.H. Wright (1888)
Margaron (Unio) burkensis — Lea (1870)
Unio (sec. Elliptio) burkensis — Simpson (1900), Simpson (1914)
Elliptio (s.s.) subniger — Frierson (1927), Haas (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)

Unio raeensis Lea, 1859
Lea, 1859, Proc. Acad. Nat. Sci. 11: 171 [as ‘raeénsis’].
Lea, 1860, Jour. Acad. Nat. Sci. 4 [O. 8]: 331 [13], pl. 52, fig. 156 [as ‘raeénsis’].
Type(s): HOLOTYPE USNM_85571, Rae Cr., Georgia.

Unio raeensis — Lea (1859), B.H. Wright (1888)
Margaron (Unio) raeensis — Lea (1870)
Unio (sec. Elliptio) complanatus — Simpson (1900), Simpson (1914)
Elliptio (s.s.) complanatus — Frierson (1927)
Elliptio (s.s.) violaceus violaceus — Haas (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)

Unio lugubris Küster, 1861
‘Lea’ Küster, 1861, Conchyl. Cab. 9(2): 234, pl. 79, fig. 1.
(misidentified reference to Unio lugubris Lea, 1838)

Unio lugubris — Küster (1861)
Unio (sec. Elliptio) complanatus — Simpson (1900), Simpson (1914)
Elliptio (s.s.) complanatus — Frierson (1927)
Elliptio (s.s.) violaceus violaceus — Haas (1969)

Unio rostrum Lea, 1861
Lea, 1861, Proc. Acad. Nat. Sci. 13: 391.
Lea, 1862, Jour. Acad. Nat. Sci. 5 [O. 9]: 201 [23], pl. 29, fig. 270.
Type(s): HOLOTYPE USNM_85556, Davidson Co., N.C.

Unio rostrum — Lea (1861), B.H. Wright (1888)
Margaron (Unio) rostrum — Lea (1870)
Unio (sec. Elliptio) catawbensis — Simpson (1900)
Unio (sec. Elliptio) rostrum — Simpson (1914)
Elliptio (s.s.) complanatus-catawbensis — Frierson (1927)
Elliptio (s.s.) violaceus wheatleyi — Haas (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)

Unio squameus Lea, 1861
Lea, 1861, Proc. Acad. Nat. Sci. 13: 391.
Lea, 1862, Jour. Acad. Nat. Sci. 5 [O. 9]: 200 [22], pl. 28, fig. 269.
Type(s): HOLOTYPE USNM_85530, N.C.

Unio squameus — Lea (1861), B.H. Wright (1888)
Margaron (Unio) squameus — Lea (1870)
Unio (sec. Elliptio) complanatus — Simpson (1900), Simpson (1914)
Elliptio (s.s.) complanatus — Frierson (1927)
Elliptio (s.s.) violaceus violaceus — Haas (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)

Unio aberrans Lea, 1863
Lea, 1863, Proc. Acad. Nat. Sci. 15: 191.
Lea, 1866, Jour. Acad. Nat. Sci. 6 [O. 11]: 7 [11], pl. 1, fig. 3.
Type(s): HOLOTYPE USNM_85600, Neuse R., 10 mi E of Raleigh, N. Carolina.

Unio aberrans — Lea (1863), Lea (1866), B.H. Wright (1888)
Margaron (Unio) aberrans — Lea (1870)
Unio (sec. Elliptio) complanatus — Simpson (1900), Simpson (1914)
Elliptio (s.s.) complanatus — Frierson (1927)
Elliptio (s.s.) violaceus violaceus — Haas (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)

Unio chathamensis Lea, 1863
Lea, 1863, Proc. Acad. Nat. Sci. 15: 191.
Lea, 1866, Jour. Acad. Nat. Sci. 6 [O. 11]: 21 [25], pl. 6, fig. 19.
Type(s): HOLOTYPE USNM_85672, Rocky R., Chatham Co., N.C.

Unio chathamensis — Lea (1863), Lea (1866), B.H. Wright (1888)
Margaron (Unio) chathamensis — Lea (1870)
Unio (sec. Elliptio) tuomeyi — Simpson (1900), Simpson (1914)
Elliptio (s.s.) complanatus — Frierson (1927)
Elliptio (s.s.) violaceus violaceus — Haas (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)

Unio curatus Lea, 1863
Lea, 1863, Proc. Acad. Nat. Sci. 15: 193.
Lea, 1866, Jour. Acad. Nat. Sci. 6 [O. 11]: 23 [27], pl. 7, fig. 21.

Unio curatus — Lea (1863), Lea (1866), B.H. Wright (1888)
Margaron (Unio) curatus — Lea (1870)
Unio (sec. Elliptio) icterinus — Simpson (1900), Simpson (1914)
Elliptio (s.s.) complanatus-icterinus — Frierson (1927)
Elliptio (s.s.) violaceus icterinus — Haas (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)

Unio gastonensis Lea, 1863
Lea, 1863, Proc. Acad. Nat. Sci. 15: 191.
Lea, 1866, Jour. Acad. Nat. Sci. 6 [O. 11]: 20 [24], pl. 6, fig. 18.
Type(s): HOLOTYPE USNM_85409, Mine Cr., Gaston Co., N.C.

Unio gastonensis — Lea (1863), Lea (1866), B.H. Wright (1888)
Margaron (Unio) gastonensis — Lea (1870)
Unio (sec. Elliptio) complanatus — Simpson (1900), Simpson (1914)
Elliptio (s.s.) complanatus — Frierson (1927)
Elliptio (s.s.) violaceus violaceus — Haas (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)

Unio indefinilus Lea, 1863
Lea, 1863, Proc. Acad. Nat. Sci. 15: 192.
Lea, 1866, Jour. Acad. Nat. Sci. 6 [O. 11]: 15 [19], pl. 4, fig. 12 [as ‘indefinitus’].
(renamed Unio indefinitus Haas, 1969)

Unio indefinilus — Lea (1863)
Unio (sec. Elliptio) complanatus — Simpson (1914)
Elliptio (s.s.) violaceus violaceus — Haas (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970)
Elliptio complanata — Bieler (2021)

Unio mecklenbergensis Lea, 1863
Lea, 1863, Proc. Acad. Nat. Sci. 15: 191.
Lea, 1866, Jour. Acad. Nat. Sci. 6 [O. 11]: 17 [21], pl. 5, fig. 15.
Type(s): HOLOTYPE USNM_85419, near Charlotte, Mecklenburg, Co., N.C.

Unio mecklenbergensis — Lea (1863), Lea (1866), B.H. Wright (1888)
Margaron (Unio) mecklenbergensis — Lea (1870)
Unio (sec. Elliptio) complanatus — Simpson (1900), Simpson (1914)
Elliptio (s.s.) complanatus — Frierson (1927)
Elliptio (s.s.) violaceus violaceus — Haas (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)

Unio perlucens Lea, 1863
Lea, 1863, Proc. Acad. Nat. Sci. 15: 193.
Lea, 1866, Jour. Acad. Nat. Sci. 6 [O. 11]: 18 [22], pl. 5, fig. 16.
Type(s): HOLOTYPE USNM_85076, Six Runs, Sampson Co., N Carolina.

Unio perlucens — Lea (1863), Lea (1866), B.H. Wright (1888)
Margaron (Unio) perlucens — Lea (1870)
Unio (sec. Elliptio) micans — Simpson (1900), Simpson (1914)
Elliptio (s.s.) micans — Frierson (1927), Haas (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)

Unio quadrilaterus Lea, 1863
Lea, 1863, Proc. Acad. Nat. Sci. 15: 192.
Lea, 1866, Jour. Acad. Nat. Sci. 6 [O. 11]: 5 [9], pl. 1, fig. 1.
Type(s): FIGURED SYNTYPE USNM_85385, Neuse R., near Raleigh, N.C.

Unio quadrilaterus — Lea (1863), Lea (1866), B.H. Wright (1888)
Margaron (Unio) quadrilaterus — Lea (1870)
Unio (sec. Elliptio) complanatus var. quadrilaterus — Simpson (1900), Simpson (1914)
Elliptio (s.s.) complanatus — Frierson (1927)
Elliptio (s.s.) violaceus violaceus — Haas (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)

Unio raleighensis Lea, 1863
Lea, 1863, Proc. Acad. Nat. Sci. 15: 191.
Lea, 1866, Jour. Acad. Nat. Sci. 6 [O. 11]: 6 [10], pl. 1, fig. 2.
Type(s): HOLOTYPE USNM_85592, Neuse R., near Raleigh, N.C.

Unio raleighensis — Lea (1863), Lea (1866), B.H. Wright (1888)
Margaron (Unio) raleighensis — Lea (1870)
Unio (sec. Elliptio) complanatus — Simpson (1900), Simpson (1914)
Elliptio (s.s.) complanatus — Frierson (1927)
Elliptio (s.s.) violaceus violaceus — Haas (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)

Unio weldonensis Lea, 1863
Lea, 1863, Proc. Acad. Nat. Sci. 15: 191.
Lea, 1866, Jour. Acad. Nat. Sci. 6 [O. 11]: 11 [15], pl. 3, fig. 8.
Type(s): HOLOTYPE USNM_85407, Roanoke R., Weldon, N.C.

Unio weldonensis — Lea (1863), Lea (1866), B.H. Wright (1888)
Margaron (Unio) weldonensis — Lea (1870)
Unio (sec. Elliptio) complanatus — Simpson (1900), Simpson (1914)
Elliptio (s.s.) complanatus — Frierson (1927)
Elliptio (s.s.) violaceus violaceus — Haas (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)

Unio protensus Lea, 1865
Lea, 1865, Proc. Acad. Nat. Sci. 17: 88.
Lea, 1868, Jour. Acad. Nat. Sci. 6 [O. 12]: 256 [16], pl. 31, fig. 71.
Type(s): HOLOTYPE USNM_85994, River Eno, near Millsburg, Orange Co., N. Carolina.

Unio protensus — Lea (1865), B.H. Wright (1888)
Margaron (Unio) protensus — Lea (1870)
Unio (sec. Elliptio) confertus — Simpson (1900), Simpson (1914)
Elliptio (s.s.) geddingsianus — Frierson (1927), Haas (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)

Unio beaverensis Lea, 1868
Lea, 1868, Proc. Acad. Nat. Sci. 20: 161.
Lea, 1868, Jour. Acad. Nat. Sci. 6 [O. 12]: 297 [57], pl. 44, fig. 109.
Type(s): HOLOTYPE USNM_85598, Beaver Cr., Cahawba R., N.C.

Unio beaverensis — Lea (1868), B.H. Wright (1888)
Margaron (Unio) beaverensis — Lea (1870)
Unio (sec. Elliptio) complanatus — Simpson (1900), Simpson (1914)
Elliptio (s.s.) complanatus — Frierson (1927)
Elliptio (s.s.) violaceus violaceus — Haas (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)

Unio datus Lea, 1868
Lea, 1868, Proc. Acad. Nat. Sci. 20: 161.
Lea, 1868, Jour. Acad. Nat. Sci. 6 [O. 12]: 299 [59], pl. 44, fig. 111.
Type(s): HOLOTYPE USNM_85097, Beaver Cr., Catawba R., N.C.

Unio datus — Lea (1868), B.H. Wright (1888)
Margaron (Unio) datus — Lea (1870)
Unio (sec. Elliptio) icterinus — Simpson (1900), Simpson (1914)
Elliptio (s.s.) complanatus-icterinus — Frierson (1927)
Elliptio (s.s.) violaceus icterinus — Haas (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)

Unio humerosoides Lea, 1868
Lea, 1868, Proc. Acad. Nat. Sci. 20: 163.

Unio humerosoides — Lea (1868)
Unio humerosus — Henderson (1935)

Unio humerosus Lea, 1868
Lea, 1868, Proc. Acad. Nat. Sci. 20: 161.
Lea, 1868, Jour. Acad. Nat. Sci. 6 [O. 12]: 301 [61], pl. 45, fig. 113.
Type(s): HOLOTYPE USNM_85414, Sugar Cr., near Charlotte, Mecklenburg, Co., N.C.

Unio humerosus — Lea (1868), B.H. Wright (1888), Henderson (1935)
Margaron (Unio) humerosus — Lea (1870)
Unio (sec. Elliptio) complanatus — Simpson (1900), Simpson (1914)
Elliptio (s.s.) complanatus — Frierson (1927)
Elliptio (s.s.) violaceus violaceus — Haas (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)

Unio jejunus Sowerby, 1868
‘Lea’ Sowerby, 1868, Conch. Icon. 16: pl. 68, sp. 347; errata [changed to ‘depressus of D’Orbigny’].
(reference to Unio jejunus Lea, 1838)

Unio jejunus — Sowerby (1868)
Unio (sec. Elliptio) complanatus var. jejunus — Simpson (1900)

Unio neglectus Sowerby, 1868
‘Lea’ Sowerby, 1868, Conch. Icon. 16: pl. 65, sp. 329.
(misidentified reference to Unio neglectus Lea, 1843)

Unio neglectus — Sowerby (1868)
Unio (sec. Elliptio) complanatus — Simpson (1900), Simpson (1914)

Unio nubilus Lea, 1868
Lea, 1868, Proc. Acad. Nat. Sci. 20: 161.
Lea, 1868, Jour. Acad. Nat. Sci. 6 [O. 12]: 298 [58], pl. 44, fig. 110.
Type(s): HOLOTYPE USNM_85417, Paw Cr., near Charlotte, Mecklenburg, Co., N.C.

Unio nubilus — Lea (1868), B.H. Wright (1888)
Margaron (Unio) nubilus — Lea (1870)
Unio (sec. Elliptio) complanatus — Simpson (1900), Simpson (1914)
Elliptio (s.s.) complanatus — Frierson (1927)
Elliptio (s.s.) violaceus violaceus — Haas (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)

Unio tortuosus Sowerby, 1868
Sowerby, 1868, Conch. Icon. 16: pl. 65, sp. 330.
(homonym of Unio tortuosus Lea, 1865)
Type(s): HOLOTYPE (MONOTYPY) BMNH_74-12-11-25, Maryland.

Unio tortuosus — Sowerby (1868)
Margaron (Unio) complanata — Lea (1870)
Unio (sec. Elliptio) complanatus — Simpson (1900), Simpson (1914)
Elliptio (s.s.) complanatus — Frierson (1927)
Elliptio (s.s.) violaceus violaceus — Haas (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)

Unio uhareensis Lea, 1868
Lea, 1868, Proc. Acad. Nat. Sci. 20: 145 [as ‘uharéensis’].
Lea, 1868, Jour. Acad. Nat. Sci. 6 [O. 12]: 304 [63], pl. 46, fig. 116 [as ‘uharéensis’].
Type(s): HOLOTYPE USNM_85576, Uharee R., Mongomery Co., N.C.

Unio uhareensis — Lea (1868), B.H. Wright (1888)
Margaron (Unio) uhareensis — Lea (1870)
Unio (sec. Elliptio) complanatus — Simpson (1900), Simpson (1914)
Elliptio (s.s.) complanatus — Frierson (1927)
Elliptio (s.s.) violaceus violaceus — Haas (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)

Unio santeensis Lea, 1871
Lea, 1871, Proc. Acad. Nat. Sci. 23: 193 [as ‘santeënsis’].
Lea, 1874, Jour. Acad. Nat. Sci. 8 [O. 13]: 20 [24], pl. 6, fig. 17.
Type(s): FIGURED SYNTYPE USNM_85635, Santee Canal, S.C.

Unio santeensis — Lea (1871), B.H. Wright (1888)
Unio (sec. Elliptio) obnubilus — Simpson (1900), Simpson (1914)
Elliptio (s.s.) raveneli — Frierson (1927), Haas (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)

Unio amplus Lea, 1872
Lea, 1872, Proc. Acad. Nat. Sci. 24: 157.
Lea, 1874, Jour. Acad. Nat. Sci. 8 [O. 13]: 39 [43], pl. 13, fig. 36.
Type(s): FIGURED SYNTYPE USNM_85591, Irwins Cr., Mecklenberg Co., N.C.

Unio amplus — Lea (1872), B.H. Wright (1888)
Unio (sec. Elliptio) complanatus — Simpson (1900), Simpson (1914)
Elliptio (s.s.) complanatus — Frierson (1927)
Elliptio (s.s.) violaceus violaceus — Haas (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)

Unio curvatus Lea, 1872
Lea, 1872, Proc. Acad. Nat. Sci. 24: 159.
Lea, 1874, Jour. Acad. Nat. Sci. 8 [O. 13]: 38 [42], pl. 13, fig. 35.
(homonym of Unio bonelli var. curvata Rossmässler, 1842)
Type(s): FIGURED SYNTYPE USNM_85550, Pfeiffer’s Pond, Mecklenburg Co., N. Carolina.

Unio curvatus — Lea (1872), B.H. Wright (1888)
Unio (sec. Elliptio) complanatus — Simpson (1900)
Unio (sec. Elliptio) icterinus — Simpson (1914)
Elliptio (s.s.) complanatus-catawbensis — Frierson (1927)
Elliptio (s.s.) violaceus wheatleyi — Haas (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)

Unio differtus Lea, 1872
Lea, 1872, Proc. Acad. Nat. Sci. 24: 158.
Lea, 1874, Jour. Acad. Nat. Sci. 8 [O. 13]: 42 [46], pl. 14, fig. 39.
Type(s): FIGURED SYNTYPE USNM_85399, Savannah R., Ga.

Unio differtus — Lea (1872), B.H. Wright (1888)
Unio (sec. Elliptio) differtus — Simpson (1900), Simpson (1914)
Elliptio (s.s.) complanatus — Frierson (1927)
Elliptio (s.s.) violaceus violaceus — Haas (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)

Unio dissimilis Lea, 1872
Lea, 1872, Proc. Acad. Nat. Sci. 24: 161.
Lea, 1874, Jour. Acad. Nat. Sci. 8 [O. 13]: 53 [57], pl. 18, fig. 52.
Type(s): FIGURED SYNTYPE USNM_86019, Long Creek, Gaston Co., N.C.

Unio dissimilis — Lea (1872), B.H. Wright (1888)
Unio (sec. Elliptio) burkensis — Simpson (1900), Simpson (1914)
Elliptio (s.s.) complanatus — Frierson (1927)
Elliptio (s.s.) violaceus violaceus — Haas (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)

Unio infuscus Lea, 1872
Lea, 1872, Proc. Acad. Nat. Sci. 24: 160.
Lea, 1874, Jour. Acad. Nat. Sci. 8 [O. 13]: 51 [55], pl. 17, fig. 49.
Type(s): FIGURED SYNTYPE USNM_85587, Fox R., N.C.

Unio infuscus — Lea (1872), B.H. Wright (1888)
Unio (sec. Elliptio) complanatus — Simpson (1900), Simpson (1914)
Elliptio (s.s.) complanatus — Frierson (1927)
Elliptio (s.s.) violaceus violaceus — Haas (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)

Unio irwinensis Lea, 1872
Lea, 1872, Proc. Acad. Nat. Sci. 24: 159.
Lea, 1874, Jour. Acad. Nat. Sci. 8 [O. 13]: 44 [48], pl. 15, fig. 42.
Type(s): FIGURED SYNTYPE USNM_85680, Irwins Cr., N.C.

Unio irwinensis — Lea (1872), B.H. Wright (1888)
Unio (sec. Elliptio) complanatus — Simpson (1900), Simpson (1914)
Elliptio (s.s.) complanatus — Frierson (1927)
Elliptio (s.s.) violaceus violaceus — Haas (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)

Unio ligatus Lea, 1872
Lea, 1872, Proc. Acad. Nat. Sci. 24: 157.
Lea, 1874, Jour. Acad. Nat. Sci. 8 [O. 13]: 49 [53], pl. 17, fig. 47.
Type(s): FIGURED SYNTYPE USNM_85590, Irwins Cr., Mecklenberg Co., N.C.

Unio ligatus — Lea (1872), B.H. Wright (1888)
Unio (sec. Elliptio) complanatus — Simpson (1900), Simpson (1914)
Elliptio (s.s.) complanatus — Frierson (1927)
Elliptio (s.s.) violaceus violaceus — Haas (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)

Unio oblongus Lea, 1872
Lea, 1872, Proc. Acad. Nat. Sci. 24: 158.
Lea, 1874, Jour. Acad. Nat. Sci. 8 [O. 13]: 52 [56], pl. 18, fig. 50.
(homonym of Unio moquinianus var. oblongus Moquin-Tandon, 1855)
Type(s): FIGURED SYNTYPE USNM_85572, Irwins Cr., Mecklenberg Co., N.C.

Unio oblongus — Lea (1872), B.H. Wright (1888)
Unio (sec. Elliptio) catawbensis — Simpson (1900)
Unio (sec. Elliptio) rostrum — Simpson (1914)
Elliptio (s.s.) complanatus-catawbensis — Frierson (1927)
Elliptio (s.s.) violaceus wheatleyi — Haas (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)

Unio ratus Lea, 1872
Lea, 1872, Proc. Acad. Nat. Sci. 24: 160.
Lea, 1874, Jour. Acad. Nat. Sci. 8 [O. 13]: 52 [56], pl. 18, fig. 51.
Type(s): HOLOTYPE (MONOTYPY) USNM_85382, Neuse R., N.C.

Unio ratus — Lea (1872), B.H. Wright (1888)
Unio (sec. Elliptio) complanatus — Simpson (1900), Simpson (1914)
Elliptio (s.s.) complanatus — Frierson (1927)
Elliptio (s.s.) violaceus violaceus — Haas (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)

Unio subparallelus Lea, 1872
Lea, 1872, Proc. Acad. Nat. Sci. 24: 158.
Lea, 1874, Jour. Acad. Nat. Sci. 8 [O. 13]: 46 [50], pl. 16, fig. 44.
Type(s): FIGURED SYNTYPE USNM_85418, near Charlotte, Mecklenburg, Co., N.C.

Unio subparallelus — Lea (1872), B.H. Wright (1888)
Unio (sec. Elliptio) complanatus — Simpson (1900), Simpson (1914)
Elliptio (s.s.) complanatus — Frierson (1927)
Elliptio (s.s.) violaceus violaceus — Haas (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)

Unio subsquamosus Lea, 1872
Lea, 1872, Proc. Acad. Nat. Sci. 24: 160.
Lea, 1874, Jour. Acad. Nat. Sci. 8 [O. 13]: 47 [51], pl. 16, fig. 45.
Type(s): FIGURED SYNTYPE USNM_85557, Yadkin R., N.C.

Unio subsquamosus — Lea (1872), B.H. Wright (1888)
Unio (sec. Elliptio) complanatus — Simpson (1900)
Unio (sec. Elliptio) icterinus — Simpson (1914)
Elliptio (s.s.) complanatus-catawbensis — Frierson (1927)
Elliptio (s.s.) violaceus wheatleyi — Haas (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)

Unio yadkinensis Lea, 1872
Lea, 1872, Proc. Acad. Nat. Sci. 24: 156.
Lea, 1874, Jour. Acad. Nat. Sci. 8 [O. 13]: 32 [36], pl. 10, fig. 29.
Type(s): FIGURED SYNTYPE USNM_85387, Yadkin R., Salisbury, [Rowand Co.], N.C.

Unio yadkinensis — Lea (1872), B.H. Wright (1888)
Unio (sec. Elliptio) complanatus — Simpson (1900), Simpson (1914)
Elliptio (s.s.) complanatus — Frierson (1927)
Elliptio (s.s.) violaceus violaceus — Haas (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)

Unio cirratus Lea, 1874
Lea, 1874, Proc. Acad. Nat. Sci. 25: 422.
Lea, 1874, Jour. Acad. Nat. Sci. 8 [O. 13]: 55 [59], pl. 19, fig. 53.
Type(s): FIGURED SYNTYPE USNM_85584, Abbeville District, S. Carolina.

Unio cirratus — Lea (1874), B.H. Wright (1888)
Unio (sec. Elliptio) complanatus — Simpson (1900), Simpson (1914)
Elliptio (s.s.) complanatus — Frierson (1927)
Elliptio (s.s.) violaceus violaceus — Haas (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)

Unio infulgens Lea, 1874
Lea, 1874, Proc. Acad. Nat. Sci. 25: 422.
Lea, 1874, Jour. Acad. Nat. Sci. 8 [O. 13]: 60 [64], pl. 21, fig. 59.
Type(s): FIGURED SPECIMEN USNM_85403, Stewart’s Pond, Union Co., N.C.

Unio infulgens — Lea (1874), B.H. Wright (1888)
Unio (sec. Elliptio) complanatus — Simpson (1900), Simpson (1914)
Elliptio (s.s.) complanatus — Frierson (1927)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)

Unio subolivaceus Lea, 1874
Lea, 1874, Proc. Acad. Nat. Sci. 25: 422.
Lea, 1874, Jour. Acad. Nat. Sci. 8 [O. 13]: 57 [61], pl. 20, fig. 56.
Type(s): FIGURED SYNTYPE USNM_85564, Fox R., N.C.

Unio subolivaceus — Lea (1874), B.H. Wright (1888)
Unio (sec. Elliptio) complanatus — Simpson (1900), Simpson (1914)
Elliptio (s.s.) complanatus — Frierson (1927)
Elliptio (s.s.) violaceus violaceus — Haas (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)

Unio palliatus Ravenel, 1875
‘Lea’ Ravenel, 1875, Cat. Rec. Shells: 57.
(error for Margarita (Unio) paliatus Lea, 1836)

Unio palliatus — Ravenel (1875), B.H. Wright (1888)
Unio (Niäa) palliatus — Adams & Adams (1857)
Unio (sec. Elliptio) errans — Simpson (1900)
Elliptio (s.s.) errans — Frierson (1927)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)

Unio abevillensis Paetel, 1890
‘Lea’ Paetel, 1890, Cat. Conch.-Samml. 3: 143.
(error for Unio abbevillensis Lea, 1857)

Unio abevillensis — Paetel (1890)

Unio blauverenses Paetel, 1890
‘Lea’ Paetel, 1890, Cat. Conch.-Samml. 3: 146.
(error for Unio beaverensis Lea, 1868)

Unio blauverenses — Paetel (1890)
Unio (sec. Elliptio) complanatus — Simpson (1900), Simpson (1914)

Unio zatus Paetel, 1890
‘Lea’ Paetel, 1890, Cat. Conch.-Samml. 3: 172.
(error for Unio datus Lea, 1868)

Unio zatus — Paetel (1890)
Unio (sec. Elliptio) icterinus — Simpson (1900), Simpson (1914)

Unio (Arconaia) provancheriana Pilsbry, 1890
Pilsbry, 1890, Natural. Canadien 20: 171.
Pilsbry, 1892, Proc. Acad. Nat. Sci. 44: 132, pl. 7, figs. 4-6.
Type(s): UNKNOWN ANSP_42758, [no locality available - North America].

Unio (Arconaia) provancheriana — Pilsbry (1890)
Unio (sec. Elliptio) complanatus — Simpson (1900), Simpson (1914)
Elliptio (s.s.) complanatus — Frierson (1927)
Elliptio (s.s.) violaceus violaceus — Haas (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)

Unio bleaverensis Simpson, 1900
‘Pætel’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 724.
(error for Unio blauverenses Paetel, 1890)

Unio bleaverensis — Simpson (1900)

Unio pullatus var. majusculus de Gregorio, 1914
de Gregorio, 1914, Il Nat. Siciliano 2: 57, pl. 8, figs. 3a-d.
(intro'd as intra-sp. of Unio pullatus Lea, 1856; homonym of Unio (Elliptio) ravistellus var. majusculus Martens, 1900)

Unio pullatus var. majusculus — de Gregorio (1914)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)

Unio complanatus mainensis Rich, 1915
Rich, 1915, Science 42(1086): 580.

Unio complanatus mainensis — Rich (1915)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)

Unio indefinitus Haas, 1969
‘Lea’ of Authors.
Lea, 1866, Jour. Acad. Nat. Sci. 6 [O. 11]: 15 [19], pl. 4, fig. 12.
Haas, 1969, Das Tierreich 88: 235.
(new name for Unio indefinilus Lea, 1863)
Type(s): HOLOTYPE USNM_85388, Long Creek, Mecklenburg Co., N.C.

Unio indefinitus — Lea (1866), B.H. Wright (1888), Haas (1969)
Margaron (Unio) indefinitus — Lea (1870)
Unio (sec. Elliptio) complanatus — Simpson (1900), Simpson (1914)
Elliptio (s.s.) complanatus — Frierson (1927)
Elliptio (s.s.) violaceus violaceus — Haas (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)
Elliptio complanata — Bieler (2021)

Unio decumbans D.G. Smith, 2001
‘Lea’ D.G. Smith, 2001, [in] Bauer & Wächtler, Ecol. Evol. Unionoida 145: 43.
(error for Unio decumbens Lea, 1861)

Unio decumbans — D.G. Smith (2001)

Taxonomic History (since 1900)

Unio (sec. Elliptio) complanatus — Simpson (1900), Simpson (1914)
Lampsilis (sec. Eurynia) radiatus — Simpson (1900)
Unio (sec. Elliptio) subinflatus — Simpson (1900), Simpson (1914)
Unio (sec. Elliptio) errans — Simpson (1900), Simpson (1914)
Unio (sec. Elliptio) complanatus var. jejunus — Simpson (1900), Simpson (1914)
Unio (sec. Elliptio) icterinus — Simpson (1900), Simpson (1914)
Unio (sec. Elliptio) geminus — Simpson (1900), Simpson (1914)
Unio (sec. Elliptio) catawbensis — Simpson (1900)
Unio (sec. Elliptio) insulsus — Simpson (1900), Simpson (1914)
Unio (sec. Elliptio) spadiceus — Simpson (1900), Simpson (1914)
Unio (sec. Elliptio) purus — Simpson (1900), Simpson (1914)
Unio (sec. Elliptio) burkensis — Simpson (1900), Simpson (1914)
Margaritana decumbens — Simpson (1900), Simpson (1914)
Unio (sec. Elliptio) roanokensis var. northamptonensis — Simpson (1900), Simpson (1914)
Unio (sec. Elliptio) tuomeyi — Simpson (1900), Simpson (1914)
Unio (sec. Elliptio) micans — Simpson (1900), Simpson (1914)
Unio (sec. Elliptio) complanatus var. quadrilaterus — Simpson (1900), Simpson (1914)
Unio (sec. Elliptio) confertus — Simpson (1900), Simpson (1914)
Unio (sec. Elliptio) obnubilus — Simpson (1900), Simpson (1914)
Unio (sec. Elliptio) differtus — Simpson (1900), Simpson (1914)
Unio bleaverensis — Simpson (1900)
Unio complanatus — Ortmann (1909), Ortmann (1909), Ortmann (1910), Walker (1918)
Elliptio complanatus — Ortmann (1911), Ortmann & Walker (1922), F.C. Baker (1928)
Lampsilis (Eurynia) radiata — Simpson (1914)
Unio (sec. Elliptio) cuvierianus — Simpson (1914)
Unio (sec. Elliptio) rostrum — Simpson (1914)
Unio northamptonensis — de Gregorio (1914)
Unio pullatus var. majusculus — de Gregorio (1914)
Unio complanatus mainensis — Rich (1915)
Elliptio (s.s.) complanatus — Frierson (1927)
Lampsilis (Ligumia) radiata — Frierson (1927)
Elliptio (s.s.) complanatus-subinflatus — Frierson (1927)
Elliptio (s.s.) complanatus-jejunus — Frierson (1927)
Elliptio (s.s.) complanatus-cuvierianus — Frierson (1927)
Elliptio (s.s.) geminus — Frierson (1927), Haas (1969)
Elliptio (s.s.) complanatus-catawbensis — Frierson (1927)
Elliptio (s.s.) errans — Frierson (1927)
Elliptio (s.s.) insulsus — Frierson (1927), Haas (1969)
Elliptio (s.s.) spadiceus — Frierson (1927), Haas (1969)
Elliptio (s.s.) subniger — Frierson (1927), Haas (1969)
Elliptio (s.s.) complanatus-northamptonensis — Frierson (1927)
Elliptio (s.s.) complanatus-icterinus — Frierson (1927)
Elliptio (s.s.) micans — Frierson (1927), Haas (1969)
Elliptio (s.s.) geddingsianus — Frierson (1927), Haas (1969)
Elliptio (s.s.) raveneli — Frierson (1927), Haas (1969)
Unio humerosus — Henderson (1935)
Elliptio strigosus — Clench & Turner (1956)
Elliptio (s.s.) violaceus violaceus — Haas (1969)
Elliptio complanata — R.I. Johnson (1969), Clarke (1973), Mathiak (1979), Mackie et al. (1980), ..., Wu et al. (2024), Dai et al. (2024), MolluscaBase (2024), Wu et al. (2024)
Elliptio (s.s.) violaceus subinflatus — Haas (1969)
Elliptio (s.s.) violaceus jejunus — Haas (1969)
Elliptio (s.s.) violaceus cuvierianus — Haas (1969)
Elliptio (s.s.) violaceus wheatleyi — Haas (1969)
Margaritifera decumbens — Haas (1969), D.G. Smith (2001)
Elliptio (s.s.) violaceus northamptonensis — Haas (1969)
Elliptio (s.s.) violaceus icterinus — Haas (1969)
Unio indefinitus — Haas (1969)
Elliptio (s.s.) complanata — R.I. Johnson (1970), Burch (1975)
Unio decumbans — D.G. Smith (2001)
Elliptio mediocris — Bogan (2002)
“L.” complanata — Marshall et al. (2018)