Bivalvia | Unionida | Unionoidea | Unionidae | Ambleminae | Lampsilini

genus Disconaias Crosse & Fischer, 1894: synonymy

3 Recent freshwater species (3 total species)

Synonymy

Disconaias Fischer & Crosse, 1894

(intro'd as sub-gen. of Unio Retzius, 1788)
Fischer & Crosse, 1894. Miss. Sci. Mexique, Rech. Zool. 2(15): 556.
Type species: Unio discus Lea, 1838 (orig. desig.) = Disconaias disca

Lapidosus Simpson, 1900

(intro'd as sub-gen. of Unio Retzius, 1788)
Simpson, 1900. Proc. U.S. Nat. Mus. 22: 700.
Type species: Unio lapidosus ‘Villa in sched.’ Kobelt, 1893 (orig. desig.) = Disconaias disca

Taxonomic History (since 1900)

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

Unio (sec. Lapidosus) — Simpson (1900)
Unio (sec. Elliptio) — Simpson (1900)
Unio (Lampsilis) — Martens (1900)
Lampsilis — Pilsbry (1910)
Paraptera — Ortmann (1912)
Lampsilis (Proptera) (Group of L. umbrosa) — Simpson (1914)
Unio (sec. Elliptio) (Group of U. discus) — Simpson (1914)
Lampsilis (Disconaias) — Frierson (1927), Haas (1929), Haas (1940), Haas (1969), Haas (1969)
Lampsilis (Actinonaias) — Frierson (1927)
Lampsilis (sec. Disconaias) — Thiele (1934)
Actinonaias — Haas (1969), Graf & Cummings (2007), Bogan (2010), Bogan (2013), Graf & Cummings (2021), Czaja et al. (2023)
Disconaias — Turgeon et al. (1988), Williams et al. (1993), IUCN (1996), Turgeon et al. (1998), R.I. Johnson (1998), ... FMCS (2021), Czaja et al. (2023), FMCS (2025), Cummings et al. (2025), Nagel (2025)
Potamilus — Howells et al. (1996), Haag (2012)
Potamilis [sic] — Contreras-Arquieta (2000)