Bivalvia | Unionida | Unionoidea | Unionidae | Ambleminae | Lampsilini
26 Recent freshwater species (34 total species)
Rafinesque, 1820. Ann. Gén. Sci. Phys. 5 (13): 298.
Rafinesque, 1831. Continuation: 7.
Rafinesque, 1864. [in] Binney & Tryon, reprint: 43, 84.
Type species: Unio ovatus Say, 1817 (sub. desig. by Herrmannsen, 1847: 575) = Lampsilis ovata
Swainson, 1840. Treat. Malacol.: 265-268, 273, 275-277, 281, 285, 289-290, 378 [as ‘Æglia’].
Type species: Unio ovatus Say, 1817 (sub. desig. by Herrmannsen, 1846: 20) = Lampsilis ovata
‘Swains.’ Gray, 1847. Proc. Zool. Soc. London 15: 196.
(error for Aeglia Swainson, 1840)
Type species: Unio ovatus Say, 1817 = Lampsilis ovata
Landacre, 1902. Ohio Naturalist 3(1): 320.
(error for Lampsilis Rafinesque, 1820)
Type species: Unio ovatus Say, 1817 = Lampsilis ovata
Mansfield in Cook & Mansfield, 1933. J. Washington Acad. Sci. 23: 267.
(error for Lampsilis Rafinesque, 1820)
Type species: Unio ovatus Say, 1817 = Lampsilis ovata
van der Schalie, 1934. Nautilus 47(4): pl. 15.
(error for Lampsilis Rafinesque, 1820)
Type species: Unio ovatus Say, 1817 = Lampsilis ovata
Starobogatov, 1970. Fauna Moll. Continent.: 71, 288.
(intro'd as sub-gen. of Lampsilis Rafinesque, 1820)
Type species: Unio anodontoides Lea, 1831 (orig. desig.) = Lampsilis teres
The Taxonomic History lists the ways authors have classified the species currently assigned to Lampsilis, since 1900.
Lampsilis (sec. Eurynia) — Simpson (1900)
Lampsilis (s.s.) — Simpson (1900), Simpson (1914), Frierson (1927), Haas (1930), Haas (1969), Haas (1969), R.I. Johnson (1970), R.I. Johnson (1972)
Unio (s.s.) — Call (1900)
Lampsilis — Simpson (1900), Simpson (1900), Ihering (1901), Ortmann (1909), Ortmann (1909), ... Chen et al. (2025), Hou et al. (2025), Cummings et al. (2025), Chen et al. (2025), Campbell & Lydeard (2026)
Unio (sec. Elliptio) — Simpson (1900)
Lampsida [sic] — Landacre (1902)
Lampsilis (Eurynia) — Simpson (1914)
Unio — de Gregorio (1914), Henderson (1935), Branson (1935), Yen (1952), Good (2004)
Eurynia (Micromya) — Utterback (1916)
Lampsilis (Ligumia) — Frierson (1927), Haas (1930)
Proptera — Frierson (1927)
Lampsilis (Ortmanniana) — Frierson (1927), Haas (1969)
Elliptio (s.s.) — Frierson (1927), Haas (1969)
Ligumia — Haas (1969)
Lampsilis (Simpsonunio) — Starobogatov (1970)
Villosa — Burch (1975), R.I. Johnson (1980), ITIS (2012)
Actinonaias — R.I. Johnson (1980)
“Unio” — Evanoff et al. (1998)
L. — Sheng et al. (2014)
Simpsonunio — Campbell & Lydeard (2026)
Ortmanniana — Campbell & Lydeard (2026)