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
Bivalvia | ... | Unionidae | Ambleminae | Quadrulini | Quadrulina | Theliderma stapes
nominal species Unio retusus Say, 1834
Unio retusus Say, 1834 = Theliderma stapes
(misidentified reference to Obliquaria (Quadrula) retusa Rafinesque, 1820)
‘R.’ Say, 1834. Amer. Conch. 1(6): sp. 26 [synonymy].
Taxonomic Opinions
+ Quadrula (s.s.) (Group of Q. metanevra) stapes (Lea) — Simpson, 1914: 839.
+ Quadrula (s.s.) stapes Lea — Simpson, 1900: 775.
+ Unio retusus Lam. — Conrad, 1853: 256.
+ Unio stapes Lea — Ferussac, 1835: 28.
