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
Thu 19 March 2026
nominal species Pisidium sphaeriiforme Clessin in Martens, 1874
Pisidium sphaeriiforme Clessin in Martens, 1874 = nomen dubium
Clessin in Martens, 1874. Puteshestvie v Turkestan. Tom II 11(1): 38, pl. 3, fig. 33.
Clessin, 1877. Conch. Cab. 9(3): 45, pl. 5, figs. 7-9.
Taxonomic Opinions
= Pisidium sphaeriiforme Clessin — Clessin, 1877: 45, pl. 5, figs. 7-9.
= Pisidium sphaeriiforme nov. sp. Cless. — Martens, 1874: 38, pl. 3, fig. 33.
