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
Thu 22 January 2026
nominal species Unio pristinus Bielz, 1864
Unio pristinus Bielz, 1864
Bielz, 1864. unknown publication: ??.
= nomen dubium
Taxonomic Opinions
= Crassiana (Pristinunio) pristinus (Bielz, 1864) — Starobogatov, 1970
