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
Bivalvia | Venerida | Cyrenoidea | Cyrenoididae | Polymesoda obscura
nominal species Cyrena obscura Prime, 1860
Cyrena obscura Prime, 1860 = Polymesoda obscura
Prime, 1860. Proc. Zool. Soc. London 28: 321.
Taxonomic Opinions
= Cyanocyclas obscura (Prime, 1860) — Simone, 2006: 297, fig. 1040.
= Cyrena obscura Prime — Clessin, 1879: 238.
= Cyrena obscura Prime — Prime, 1870: 146.
= Cyrena obscura Prime — Prime, 1865: 15.
