MUSSELpdb
Taxonomy
Species & Genus Richness of
freshwater mussels
by Taxonomy
Species & Genus Richness of
freshwater bivalves
by Family
Geography
Species Richness & Endemism of
freshwater mussels
by Geography
Data last updated
Fri 13 February 2026
Bivalvia | Unionida | Unionoidea | Unionidae | Costanaia
species Costanaia arciformis MacNeil, 1935: synonymy
Synonymy
Costanaia arciformis MacNeil, 1935
MacNeil, 1935. Jour. Paleont. 9: 13, pl. 3, figs. 3-12; pl. 5, figs. 14-15.
Costanaia arciformis — MacNeil (1935), Modell (1957), Haas (1969), Starobogatov (1970)
Taxonomic History (since 1900)
Costanaia arciformis — MacNeil (1935), Modell (1957), Haas (1969), Starobogatov (1970)
