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The Freshwater Mussels (Unionoida) of the World (and other less consequential bivalves)
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Bivalvia | Unionoida | Unionoidea | Unionidae | Ambleminae | Pleurobemini genus Elliptio Rafinesque, 1819: synonymy
30 Recent valid species (45 total species) Elliptio Rafinesque, 1819
Rafinesque, 1819. Jour. Phys. Chim. Hist. Nat. 88: 426.
Rafinesque, 1820. Ann. Gén. Sci. Phys. 5 (13): 291.
Rafinesque, 1864. [in] Binney & Tryon, reprint: 29, 37.
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio (Elliptio) nigra Rafinesque, 1820 (sub. desig. by Ortmann, 1912: 266) = Elliptio crassidens Cunicula Swainson, 1840
Swainson, 1840. Treat. Malacol.: 267-268, 274, 290, 378.
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio purpurascens Lamarck, 1819 (sub. desig. by Herrmannsen, 1847: 335) = Elliptio complanata Canthyria Swainson, 1840
Swainson, 1840. Treat. Malacol.: 276, 378.
(intro'd as sub-gen. of Aeglia Swainson, 1840)
Type species: Unio spinosus Lea, 1836 (orig. desig.) = Elliptio spinosa Ellipto Meek, 1876
Meek, 1876. Rept. U.S. Geol. Surv. Terr. (Hayden) 9: 511.
(error for Elliptio Rafinesque, 1819) Ensinaia Starobogatov, 1970
Starobogatov, 1970. Fauna Moll. Continent.: 69, 287.
Type species: Unio shepardianus Lea, 1834 (orig. desig.) = Elliptio shepardiana Elliptis Agassiz, 1845
‘Rafinesque’ Agassiz, 1845. Nom. Syst. Gen. Moll.: 33.
‘Rafin.’ Agassiz, 1846. Nomencl. Zool. Index Univ.: 136.
(error for Elliptio Rafinesque, 1819) Curricula Gray, 1847
‘Swains.’ Gray, 1847. Proc. Zool. Soc. London 15: 196.
(error for Cunicula Swainson, 1840) Cinicula Heard & Guckert, 1970
‘Swainson’ Heard & Guckert, 1970. Malacologia 10: 348, note 18.
(error for Cunicula Swainson, 1840) Taxonomic History (since 1900)Unio (sec. Elliptio) — Simpson (1900), Simpson (1914)
Unio (s.s.) — Call (1900)
Lampsilis (sec. Eurynia) — Simpson (1900)
Unio (sec. Canthyria) — Simpson (1900), Simpson (1914)
Margaritana — Simpson (1900), Simpson (1914)
Unio (Lampsilis) — Martens (1900)
Unio (sec. Uniomerus) — Simpson (1900)
Unio — Simpson (1900), Ortmann (1909), Ortmann (1909), Ortmann (1909), Ortmann (1910), de Gregorio (1914), Vanatta (1915), Walker (1918), Henderson (1935), Branson (1935), Yen (1952), Good (2004)
Elliptio — Ortmann (1911), Ortmann (1912), Ortmann (1914), Utterback (1915), Ortmann (1918), ... Wu et al. (2024), Dai et al. (2024), MolluscaBase (2024), Wu et al. (2024), Dai et al. (2025)
Lampsilis (Eurynia) — Simpson (1914)
Elliptio (s.s.) — Frierson (1927), Haas (1930), Thiele (1934), Haas (1969), Haas (1969), R.I. Johnson (1970), R.I. Johnson (1972), Burch (1975)
Lampsilis (Ligumia) — Frierson (1927)
Quadrula (Fusconia [sic]) — Frierson (1927)
Elliptio (Eurynaia [sic]) — Frierson (1927)
Canthyria — Frierson (1927), Haas (1969), Haas (1969)
Lampsilis (Ortmanniana) — Frierson (1927)
Elliptio (Uniomerus) — Frierson (1927)
Elliptio (sec. Canthyria) — Thiele (1934)
Anodonta — Henderson (1935)
Eurynia — Modell (1957)
Fusconaia — Haas (1969), R.I. Johnson (1980)
Elliptio (Eurynia) — Haas (1969)
Margaritifera — Haas (1969), D.G. Smith (2001)
Uniomerus — Haas (1969), R.I. Johnson (1970), R.I. Johnson (1972), Burch (1975), Brim Box & Williams (2000), Williams et al. (2008)
Ensinaia — Starobogatov (1970)
Elliptio (Canthyria) — R.I. Johnson (1970), Burch (1975), Johnson & Clarke (1983)
Popenaias — Heard & Guckert (1970), Burch (1975), ITIS (2012)
“Unio” — Evanoff et al. (1998)
“L.” — Marshall et al. (2018)
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