Bivalvia | Unionida | Unionoidea | Unionidae | Unioninae | Anodontini | Alasmidontina
2 Recent freshwater species (2 total species)
(error for Pterosyna Rafinesque, 1831)
‘Rafinesque’ of Authors.
Simpson, 1900. Proc. U.S. Nat. Mus. 22: 665.
Ortmann, 1909. Ann. Carnegie Mus. 5: 196.
Simpson, 1914. Descr. Cat. Naiades: 490.
Ortmann, 1914. Nautilus 28(4): 43.
Walker, 1918. Occ. Pap. Mus. Zool. Univ. Mich. (49): 2.
F.C. Baker, 1928. Bull. Wisconsin Geol. Nat. Hist. Survey 70(2): 147.
Haas, 1930. Senckenbergiana 12(6): 326.
Type species: Alasmodonta complanata Barnes, 1823 = Pterosyna complanata
Rafinesque, 1831. Continuation: 5.
Rafinesque, 1864. [in] Binney & Tryon, reprint: 79.
Type species: Alasmodonta complanata Barnes, 1823 (orig. desig.) = Pterosyna complanata
(renamed Limnadea Agassiz, 1846)
‘Sw.’ Sowerby, 1839. Conch. Man.: 60.
Swainson, 1840. Treat. Malacol.: 265-266, 268, 273, 285, 289-290; 379 [as ‘Lymnadea’].
Type species: Unio gigas Swainson, 1824 (monotypy) = Pterosyna complanata
Swainson, 1840. Treat. Malacol.: 265-266, 268-269, 274-275, 290, 378.
Type species: Unio gigas Swainson, 1824 (orig. desig.) = Pterosyna complanata
Swainson, 1840. Treat. Malacol.: 288-290, 382.
Type species: Complanaria gigas Swainson, 1840 = Pterosyna complanata
(error for Lymnadia Sowerby, 1839)
Swainson, 1840. Treat. Malacol.: 379.
Type species: Unio gigas Swainson, 1824 = Pterosyna complanata
(new name for Lymnadia Sowerby, 1839)
Agassiz, 1846. Nomencl. Zool. Index Univ.: 210.
Type species: Unio gigas Swainson, 1824 = Pterosyna complanata
The Taxonomic History lists the ways authors have classified the species currently assigned to Pterosyna, since 1900.
Symphynota (Pterosygna [sic]) — Simpson (1900), Simpson (1914)
Unio (Margaritana) — Call (1900)
Symphynota — Ortmann (1909), Ortmann (1910), Ortmann (1912), Utterback (1915)
Symphynota (Pterosygna) [sic] — Ortmann (1909)
Lasmigona (Pterosyna) — Ortmann (1924), Ortmann (1925), Frierson (1927), F.C. Baker (1928), Haas (1969), Haas (1969), Campbell & Lydeard (2026)
Lasmigona (Pterosygna) [sic] — Haas (1930)
Lasmigona (sec. Pterosyna) — Thiele (1934)
Lasmigona — Murray & Leonard (1962), Clarke (1973), Burch (1975), Heard (1975), Gordon et al. (1979), ... Perkins et al. (2025), Hou et al. (2025), Wang et al. (2025), Wu et al. (2026), Wu et al. (2026)
Lasmigona (s.s.) — Clarke (1985), Graf & Cummings (2007)
Pterosyna — FMCS (2025)