Bivalvia | Unionida | Unionoidea | Unionidae | Unioninae | Unionini | Oxynaiina
1 Recent freshwater species (1 total species)
(intro'd as sub-gen. of Cuneopsis Simpson, 1900)
Starobogatov in Popova & Starobogatov, 1970. Moll. Kyzylgirsk. Svity. Gornogo: 62.
Starobogatov, 1970. Fauna Moll. Continent.: 66, 285.
Type species: Unio pisciculus Heude, 1874 (orig. desig.) = Tchangsinaia piscicula
Huang, Dai & Wu in Wu et al., 2022. Zool. Scripta 51: [10], supplem.
Type species: Unio pisciculus Heude, 1874 (orig. desig.) = Tchangsinaia piscicula
The Taxonomic History lists the ways authors have classified the species currently assigned to Tchangsinaia, since 1900.
Cuneopsis — Simpson (1900), Simpson (1914), Haas (1920), Haas (1924), Haas (1969), ... Wu et al. (2021), Liu et al. (2022), Pavan-Kumar et al. (2022), Konopleva et al. (2023), Lopes-Lima et al. (2024)
Unio — Simpson (1914)
Cuneopsis (Tchangsinaia) — Starobogatov (1970)
Arcuneopsis — Wu et al. (2022), Jeratthitikul et al. (2022)
Tchangsinaia — Dai et al. (2023), Wu et al. (2023), Chen et al. (2023), Liu et al. (2023), Wu et al. (2023), ... Chen et al. (2025), Klymus et al. (2025), Campbell & Lydeard (2026), Wu et al. (2026), Wu et al. (2026)