Cyclas partumeia Say, 1822
Say, 1822, Jour. Acad. Nat. Sci. 2: 380.

Cyclas partumeia — Say (1822), Ferussac (1835), Hanley (1843), Prime (1853)
Sphærium partumeia — Deshayes (1854)
Sphærium partumeium — Prime (1865), Prime (1870), Prime (1895), Pilsbry & Rhoads (1896)
Sphaerium partumeium — Herrington (1962), Bogan (2010), Bespalaya et al. (2017)
Sphaerium (Musculium) partumeium — Clarke (1973), Lee & Ó Foighil (2003), Bespalaya et al. (2023)
Musculium partumeium — Burch (1975), Mackie et al. (1980), Turgeon et al. (1998), Cooley & Ó Foighil (2000), Schultheiß et al. (2008), ITIS (2012), Clewing et al. (2013), Fuentealba-Jara et al. (2017), Saito et al. (2022), Czaja et al. (2023)

Cyclas elevata Haldeman, 1841
Haldeman, 1841, Proc. Acad. Nat. Sci. 1: 53.

Cyclas elevata — Haldeman (1841), Prime (1853)
Sphærium elevata — Deshayes (1854)
Sphærium elevatum — Prime (1865), Prime (1870)
Sphærium partumeium — Prime (1895)
Sphaerium partumeium — Herrington (1962)
Musculium partumeium — Burch (1975)

Cyclas calyculata C.B. Adams, 1842
C.B. Adams, 1842, [in] Thompson, History of Vermont (1): ??.
C.B. Adams, 1847, Cat. Gen. Sp. Adams: 15.
(misidentified reference to Cyclas calyculata Draparnaud, 1806; renamed Cyclas pellucida Stimpson, 1851)

Cyclas calyculata — C.B. Adams (1842)
Cyclas pellucida — Prime (1853)
Sphærium lacustre — Deshayes (1854)
Sphærium truncatum — Prime (1865), Prime (1870), Prime (1895)
Musculium partumeium — Burch (1975)

Cyclas orbicularia Linsley, 1845
‘Barratt’ Linsley, 1845, Amer. J. Sci. 48(2): 276. [nomen nudum]

Cyclas orbicularia — Linsley (1845)
Cyclas partumeia — Prime (1853)
Sphærium partumeium — Prime (1865), Prime (1870), Prime (1895)
Musculium partumeium — Burch (1975)

Cyclas truncata Linsley, 1845
Linsley, 1845, Amer. J. Sci. 48(2): 276.
Lindsley in Gould, 1848, Amer. J. Sci. 56(17): 324, fig. 3.

Cyclas truncata — Linsley (1845)
Sphærium truncatum — Prime (1865), Prime (1870), Prime (1895)
Sphaerium partumeium — Herrington (1962)
Sphaerium (Musculium) partumeium — Clarke (1973)
Musculium partumeium — Burch (1975)

Lucina lenticula Gould, 1850
Gould, 1850, Proc. Boston Soc. Nat. Hist. 3: 259.
Gould, 1852, U.S. Explor. Exped. 12: 413, pl. 36, fig. 528 [as ‘Cyclas’].

Lucina lenticula — Gould (1850)
Sphærium lenticula — Prime (1865), Prime (1870)

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)

Cyclas pellucida — Stimpson (1851), Prime (1853)
Sphærium truncatum — Prime (1865), Prime (1870)
Musculium partumeium — Burch (1975)

Cyclas caerulea Prime, 1852
Prime, 1852, Proc. Boston Soc. Nat. Hist. 4: 161.

Cyclas caerulea — Prime (1852)
Cyclas partumeia — Prime (1853)
Sphærium partumeium — Prime (1865), Prime (1870), Prime (1895)

Cyclas coerulea Prime, 1852
Prime, 1852, Proc. Boston Soc. Nat. Hist. 4: ??.

Cyclas coerulea — Prime (1852)
Musculium partumeium — Burch (1975)

Cyclas mirabilis Prime, 1852
Prime, 1852, Proc. Boston Soc. Nat. Hist. 4: 157.

Cyclas mirabilis — Prime (1852)
Cyclas partumeia — Prime (1853)
Sphærium mirabilis — Deshayes (1854)
Sphærium partumeium — Prime (1865), Prime (1870), Prime (1895)
Musculium partumeium — Burch (1975)

Cyclas eburnea Prime, 1853
‘Anthony’ Prime, 1853, Proc. Boston Soc. Nat. Hist. 4: 279.

Cyclas eburnea — Prime (1853)
Sphærium partumeium — Prime (1865), Prime (1895)
Musculium partumeium — Burch (1975)

Calyculina ferrissii Sterki, 1902
Sterki, 1902, Nautilus 16(8): ??.

Calyculina ferrissii — Sterki (1902)
Sphaerium partumeium — Herrington (1962)
Musculium partumeium — Burch (1975)

Calyculina hodgsonii Sterki, 1902
Sterki, 1902, Nautilus 16(8): ??.

Calyculina hodgsonii — Sterki (1902)
Sphaerium partumeium — Herrington (1962)
Musculium partumeium — Burch (1975)

Musculium orbiculare Sterki, 1913
Sterki, 1913, Nautilus 26(12): 140.

Musculium orbiculare — Sterki (1913)
Sphaerium partumeium — Herrington (1962)
Musculium partumeium — Burch (1975)

Musculium partumeium var. globosum Sterki, 1916
Sterki, 1916, Ann. Carnegie Mus. 10(3/4): ??.
(intro'd as intra-sp. of Cyclas partumeia Say, 1822)

Musculium partumeium var. globosum — Sterki (1916)
Musculium partumeium — Burch (1975)

Musculium truncatum var. albidum Sterki, 1916
Sterki, 1916, Ann. Carnegie Mus. 10(3/4): ??.
(homonym of Chama albida Dezallier d’Argenville, 1742; intro'd as intra-sp. of Cyclas truncata Linsley, 1845)

Musculium truncatum var. albidum — Sterki (1916)
Musculium partumeium — Burch (1975)

Musculium truncatum var. angustatum Sterki, 1916
Sterki, 1916, Ann. Carnegie Mus. 10(3/4): ??.
(intro'd as intra-sp. of Cyclas truncata Linsley, 1845)

Musculium truncatum var. angustatum — Sterki (1916)
Musculium partumeium — Burch (1975)

Taxonomic History (since 1900)

Calyculina ferrissii — Sterki (1902)
Calyculina hodgsonii — Sterki (1902)
Musculium orbiculare — Sterki (1913)
Musculium partumeium var. globosum — Sterki (1916)
Musculium truncatum var. albidum — Sterki (1916)
Musculium truncatum var. angustatum — Sterki (1916)
Sphaerium partumeium — Herrington (1962), Bogan (2010), Bespalaya et al. (2017)
Sphaerium (Musculium) partumeium — Clarke (1973), Lee & Ó Foighil (2003), Bespalaya et al. (2023)
Musculium partumeium — Burch (1975), Mackie et al. (1980), Turgeon et al. (1998), Cooley & Ó Foighil (2000), Schultheiß et al. (2008), ITIS (2012), Clewing et al. (2013), Fuentealba-Jara et al. (2017), Saito et al. (2022), Czaja et al. (2023)