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
Bivalvia | Unionida | Unionoidea | Unionidae | Protelliptio douglassi
nominal species Unio douglassi Stanton, 1903
Unio douglassi Stanton, 1903 = Protelliptio douglassi
Stanton, 1903. Proc. Amer. Phil. Soc. 42: 193, pl. 4, figs. 3-4.
Taxonomic Opinions
= Protelliptio douglassi (Stanton, 1903) — Modell, 1957: 189.
= Protelliptio douglassi (Stanton) — Yen, 1951: 4, pl. 1, fig. 1.
= Unio douglassi Stanton — Henderson, 1935: 76.
= Elliptio (Protelliptio) douglassi (Stanton) — Russell, 1934: 3.
