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 22 January 2026
Bivalvia | Venerida | Cyrenoidea | Cyrenoididae | Polymesoda arctata
nominal species Cyrena (Anomala) insignis Deshayes, 1854
Cyrena (Anomala) insignis Deshayes, 1854 = Polymesoda arctata
Deshayes, 1854. Proc. Zool. Soc. London 22: 20, sp. 32.
Taxonomic Opinions
+ Neocyrena nicaraguana (Prime, 1869) — Olsson, 1961
= Cyrena insignis Deshayes — Clessin, 1877
= Cyrena insignis Deshayes — Prime, 1870
= Cyrena insignis Deshayes — Prime, 1865
= Cyrena (Anomala) insignis Deshayes — Prime, 1861
= Cyrena (Anomala) insignis Desh. — Deshayes, 1854
= Cyrena insignis Desh. — Deshayes, 1853
