| Page last updated
Wed 1 October 2025 |
The Freshwater Mussels (Unionoida) of the World (and other less consequential bivalves)
FM(U)otW(aolcb) is the web version of the MUSSEL Project Database. Follow the links to browse the data or use the custom Google search field. Either way, you win!
Search the database pages:
Bivalvia | Veneroida | Cyrenoidea | Cyrenoididae | Polymesoda fontainei nominal species Cyrena placens Hanley, 1844 = Polymesoda fontainei Taxonomic Opinions= Cyanocyclas placens (Hanley, 1844) — Simone, 2006 = Polymesoda (s.s.) placens (Hanley, 1844) — Martens, 1900 = Cyrena placens Hanley — Clessin, 1877 = Cyrena placens Hanley — Prime, 1870 = Cyrena placens Hanley — Prime, 1865 = Cyrena placens Hanl. — Hanley, 1856 = Cyrena placens Hanley, 1844 — Deshayes, 1854
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