Bivalvia | Unionida | Unionoidea | Unionidae | Ambleminae | Lampsilini

genus Truncilla Rafinesque, 1819: synonymy

4 Recent freshwater species (4 total species)

Synonymy

Troncilla Menke, 1830

‘Rafinesque’ of Authors.
Menke, 1830. Syn. Method. Moll.: 106.
Rossmässler, 1835. Icon. Land- und Süssw.-Moll. 1 (1): 116.
(error for Truncilla Rafinesque, 1819)
Type species: Truncilla truncata Rafinesque, 1820 = Truncilla truncata

Truncilla Rafinesque, 1819

Rafinesque, 1818. Amer. Mon. Mag. 4: 107 [nomen nudum].
Rafinesque, 1819. Jour. Phys. Chim. Hist. Nat. 88: 427.
Rafinesque, 1820. Ann. Gén. Sci. Phys. 5 (13): 300.
Rafinesque, 1831. Continuation: 4.
Rafinesque, 1864. [in] Binney & Tryon, reprint: 24, 29, 45, 76.
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Truncilla truncata Rafinesque, 1820 (sub. desig. by Herrmannsen, 1849: 628) = Truncilla truncata

Amygdalonaias Fischer & Crosse, 1894

Fischer & Crosse, 1894. Miss. Sci. Mexique, Rech. Zool. 2(15): 557.
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio cognatus Lea, 1860 (orig. desig.) = Truncilla cognata

Amygdalonajas Ortmann, 1909

Ortmann, 1909. Ann. Carnegie Mus. 5: 192.
Ortmann, 1912. Ann. Carnegie Mus. 8: 327.
Ortmann, 1914. Nautilus 28(6): 67.
(error for Amygdalonaias Fischer & Crosse, 1894)
Type species: Unio cognatus Lea, 1860 = Truncilla cognata

Taxonomic History (since 1900)

The Taxonomic History lists the ways authors have classified the species currently assigned to Truncilla, since 1900.

Plagiola (Amygdalonaias) — Simpson (1900), Simpson (1914)
Unio (s.s.) — Call (1900)
Truncilla — Simpson (1900), Simpson (1914), Ortmann & Walker (1922), Ortmann (1924), Ortmann (1925), ... Hauck et al. (2023), Czaja et al. (2023), FMCS (2025), Cummings et al. (2025), Campbell & Lydeard (2026)
Unio (Lampsilis) — Martens (1900)
Plagiola (Amygdalonajas) [sic] — Ortmann (1909)
Plagiola — Ortmann (1910), Vanatta (1915)
Amygdalonajas [sic] — Ortmann (1912), Ortmann (1914)
Unio — de Gregorio (1914)
Amygdalonaias — Utterback (1916), Ortmann (1918)
Dysnomia (Penita) — Frierson (1927), Haas (1969)