Bivalvia | Veneroida | Cyrenoidea | Cyrenidae | Polymesoda fontainei nominal species Cyrena placens Hanley, 1844
Hanley, 1844, Proc. Zool. Soc. London 1844: 160.
Hanley, 1856, Cat. Rec. Bivalve Shells, Suppl.: 352, pl. 14, fig. 52.
= 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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