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
nominal species Unio pygmaeiformis Martinson, 1957
Unio pygmaeiformis Martinson, 1957 = nomen dubium
Martinson, 1957. Trudy Baikal. Limnol. Stan. 15: 275, pl. 2, fig. 2; text fig. text fig. 9a-b.
Taxonomic Opinions
= Unio pygmaeiformis nov. sp. — Martinson, 1957: 275, pl. 2, fig. 2; text fig. text fig. 9a-b.
