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
Wed 04 February 2026
nominal species unio emersoni Troxell, 1914
unio emersoni Troxell, 1914
Troxell, 1914. Amer. J. Sci. 38: 460, figs. 1-3.
= nomen dubium
Taxonomic Opinions
= Unio emersoni Troxell — Henderson, 1935
