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
Bivalvia | ... | Unionidae | Unioninae | Anodontini | Alasmidontina | Pyganodon fragilis
nominal species Anodon pholadiformis Sowerby, 1870
Anodon pholadiformis Sowerby, 1870 = Pyganodon fragilis
Sowerby, 1870. Conch. Icon. 17: pl. 27, sp. 106.
Taxonomic Opinions
+ Anodonta (s.s.) marginata Say, 1817 — Haas, 1969: 353.
+ Anodonta (s.s.) marginata Say, 1817 — Frierson, 1927: 13.
+ Anodonta marginata Say, 1817 — Simpson, 1914: 390.
+ Anodonta marginata Say, 1816 — Simpson, 1900: 633.
= Anodon pholadiformis Sowerby, 1870 — Sowerby, 1870: pl. 27, sp. 106.
