Bivalvia | Unionida | Unionoidea | Unionidae | Ambleminae | Lampsilini
1 Recent freshwater species (1 total species)
Rafinesque, 1820. Ann. Gén. Sci. Phys. 5 (13): 303.
Rafinesque, 1864. [in] Binney & Tryon, reprint: 47.
(intro'd as sub-gen. of Obliquaria Rafinesque, 1820)
Type species: Obliquaria (Ellipsaria) ellipsaria Rafinesque, 1820 (tautonomy) = Ellipsaria lineolata
Schlüter, 1838. Kurzgef. Syst. Verz. Conch. Samml.: 33.
Type species: Unio securis Deshayes, 1832 (sub. desig. by Herrmannsen, 1852: 38) = Ellipsaria lineolata
Thiele, 1934. Handb. Syst. Weichtierk. 3: 834 [1269].
Type species: Unio securis Lea, 1829 (orig. desig.) = Ellipsaria lineolata
The Taxonomic History lists the ways authors have classified the species currently assigned to Ellipsaria, since 1900.
Plagiola (s.s.) — Simpson (1900), Simpson (1914)
Unio (s.s.) — Call (1900)
Plagiola — Ortmann (1909), Ortmann (1909), Ortmann (1910), Ortmann (1912), Vanatta (1915), ... Murray & Leonard (1962), Haas (1969), Haas (1969), Gordon et al. (1979), Mathiak (1979)
Unio — de Gregorio (1914)
Plagiolopsis — Thiele (1934)
Crenodonta — Morrison (1969)
Ellipsaria — Burch (1975), R.I. Johnson (1980), Oesch (1984), Turgeon et al. (1988), Cummings & Mayer (1992), ... FMCS (2021), Hopper et al. (2023), Hauck et al. (2023), Saxon et al. (2023), FMCS (2025)