Bivalvia | Unionida | Unionoidea | Unionidae | Unioninae | Unionini | Oxynaiina
7 Recent freshwater species (10 total species)
Simpson, 1900. Proc. U.S. Nat. Mus. 22: 804.
Simpson, 1914. Descr. Cat. Naiades: 943.
Type species: Unio celtiformis Heude, 1874 (orig. desig.) = Cuneopsis celtiformis
Starobogatov in Popova & Starobogatov, 1970. Moll. Kyzylgirsk. Svity. Gornogo: 61.
Starobogatov, 1970. Fauna Moll. Continent.: 66, 285.
(intro'd as sub-gen. of Cuneopsis Simpson, 1900)
Type species: Unio heudei Heude, 1874 (orig. desig.) = Cuneopsis heudei
The Taxonomic History lists the ways authors have classified the species currently assigned to Cuneopsis, since 1900.
Cuneopsis — Simpson (1900), Simpson (1914), Haas (1920), Haas (1924), Thiele (1934), ... Hou et al. (2025), Wang et al. (2025), Chen et al. (2025), Chen et al. (2026), Campbell & Lydeard (2026)
Unio — Simpson (1914), He & Zhuang (2013)
Cuneopsis (Procuneopsis) — Starobogatov (1970), Dang et al. (1980)