Bivalvia | Unionida | Unionoidea | Unionidae | Unioninae | Unionini | Oxynaiina
5 Recent freshwater species (5 total species)
Haas, 1920. Senckenbergiana 2: 149.
Haas, 1924. Abh. Senckenb. Naturf. Ges. 38: 185.
Type species: Unio (Cuneopsis) tauriformis Fulton, 1906 (orig. desig.) = Rhombuniopsis tauriformis
The Taxonomic History lists the ways authors have classified the species currently assigned to Rhombuniopsis, since 1900.
Unio — Simpson (1914)
Cuneopsis — Simpson (1914)
Rhombuniopsis — Haas (1920), Haas (1924), Thiele (1934), Haas (1969), Haas (1969), ... Bogan (2010), He & Zhuang (2013), Zieritz et al. (2018), Graf & Cummings (2021), Liu et al. (2022)