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
Mon 2 March 2026
nominal species Unio distortus Bean, 1836
Unio distortus Bean, 1836 = nomen dubium
Bean, 1836. Mag. Nat. Hist. 9: 376, fig. 53.
Taxonomic Opinions
= Unio distortus Bean, 1836 — Simpson, 1914: 732.
= Unio distortus Bean, 1836 — Simpson, 1900: 744.
