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
Fri 13 February 2026
Bivalvia | Sphaeriida | Sphaerioidea | Sphaeriidae | Sphaeriinae | Euglesa rotundata
nominal species Pisidium rotundatum Prime, 1852
Pisidium rotundatum Prime, 1852 = Euglesa rotundata
Prime, 1852. Proc. Boston Soc. Nat. Hist. 4: 164.
Prime, 1852. Boston J. Nat. Hist. 6(3): 357, pl. 11, figs. 19-21.
Prime, 1865. Smithsonian Misc. Coll. (145): 72, figs. 81-82.
Taxonomic Opinions
= Pisidium rotundatum — Saito et al., 2022: Table S1.
= Euglesa rotundata (Prime, 1852) — Vinarski et al., 2020: Appendix 1.
= Pisidium rotundatum Prime, 1852 — ITIS, 2012: [web].
= Pisidium rotundatum Prime, 1852 — Bogan, 2010: [web].
= Pisidium (Cyclocalyx) rotundatum Prime, 1851 — Mackie, 2007: 340, figs. 8.146-8.148.
= Pisidium rotundatum Prime, 1852 — Turgeon et al., 1998: 47.
= Pisidium ventricosum f. rotundatum Prime — Mackie et al., 1980: 7.
= Pisidium (Cyclocalyx) ventricosum form rotundatum Prime, 1852 — Burch, 1975: 8.
= Pisidium (Cyclocalyx) ventricosum form rotundatum Prime, 1852 — Clarke, 1973: 203.
+ Pisidium obtusale Pfeiffer, 1821 — Herrington, 1962: 46.
+ Pisidium ventricosum Prime — Prime, 1895: 53.
= Pisidium rotundatum Prime — Prime, 1870: 172.
= Pisidium rotundatum Prime — Prime, 1865: 72, figs. 81-82.
= Pisidium rotundatum Nobis — Prime, 1852: 357, pl. 11, figs. 19-21.
