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
Bivalvia | ... | Unionidae | Unioninae | Anodontini | Alasmidontina | Utterbackia peggyae
nominal species Anodonta imbecillis ‘Say’ of Authors
Anodonta imbecillis ‘Say’ of Authors = Utterbackia peggyae
‘Say’ of Authors.
van der Schalie, 1940. Lloydia 3: 196, pl. 2, fig. 4.
Clench & Turner, 1956. Bull. Fla. State Mus. 1: 187, pl. 6, fig. 2 [as ‘imbecilis’].
(misidentified reference to Anodonta imbecillis Say, 1829)
Taxonomic Opinions
+ Anodonta peggyae new species — van der Schalie, 1940
