Bivalvia | Unionida | Unionoidea | Unionidae
0 Recent freshwater species (1 total species)
MacNeil, 1935. Jour. Paleont. 9: 12.
Type species: Costanaia arciformis MacNeil, 1935 (orig. desig.) = Costanaia arciformis
The Taxonomic History lists the ways authors have classified the species currently assigned to Costanaia, since 1900.
Costanaia — MacNeil (1935), Modell (1957), Haas (1969), Starobogatov (1970)