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 | Venerida | Cyrenoidea | Cyrenoididae | Polymesoda ordinaria
nominal species Cyrena ordinaria Prime, 1865
Cyrena ordinaria Prime, 1865 = Polymesoda ordinaria
Prime, 1865. Smithsonian Misc. Coll. (145): 19, fig. 15.
Taxonomic Opinions
+ Polymesoda arctata (Deshayes, 1854) — WoRMS, 2012: [web].
= Neocyrena ordinaria (Prime) — OBIS, 2012: [web].
= Cyanocyclas ordinaria (Prime, 1865) — Simone, 2006: 298, fig. 1042.
= Polymesoda (Neocyrena) ordinaria (Prime, 1865) — Keen, 1971: 114.
= Cyrena ordinaria Prime — Clessin, 1877: 117, pl. 18, fig. 8.
= Cyrena ordinaria Prime — Prime, 1865: 19, fig. 15.
