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Data last updated
Mon 1 Dec 2025
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Bivalvia
| Sphaerioida
| Sphaerioidea
| Sphaeriidae
| Sphaeriinae
| Sphaerium partumeium
nominal species Cyclas pellucida Stimpson, 1851
‘Prime’ Stimpson, 1851. Shells of New England: 16. Prime, 1853. Proc. Boston Soc. Nat. Hist. 4: 277. (new name for Cyclas calyculata C.B. Adams, 1842)
= Sphaerium partumeium Taxonomic Opinions+ Musculium partumeium (Say, 1822) — Mackie, 2007 + Musculium partumeium (Say, 1822) — Burch, 1975 + Sphærium truncatum Lindsley — Prime, 1870 + Sphærium truncatum Linsley — Prime, 1865 = Cyclas pellucida Nobis — Prime, 1853
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