species Sphaerium transversum (Say, 1829): synonymy

Cyclas transversa Say, 1829

Say, 1829. New Harm. Dissem. 2(23): 356.

Sphaerium transversum — Herrington (1962), Bogan (2010), Príe et al. (2021), Prié et al. (2023)
Sphaerium (Musculium) transversum — Clarke (1973), Bespalaya et al. (2023)
Musculium transversum — Burch (1975), Mackie et al. (1980), Turgeon et al. (1998), Korniushin (1998), Korniushin et al. (2001), ... Fauna Europaea (2012), Clewing et al. (2013), Ram et al. (2014), Saito et al. (2022), Czaja et al. (2023)
Musculum [sic] transversum — Contreras-Arquieta (2000)
Musculium (s.s.) transversum — Falkner et al. (2001)
Sphaerium (Amesoda) transversum — Lee & Ó Foighil (2003)

Cyclas detruncata Prime, 1852

Prime, 1852. Proc. Boston Soc. Nat. Hist. 4: 155.
Prime, 1853. Proc. Boston Soc. Nat. Hist. 4: 273.

Musculium transversum — Burch (1975), Mackie (2007)

Cyclas gracilis Prime, 1852

Prime, 1852. Proc. Boston Soc. Nat. Hist. 4: 156.
Prime, 1853. Proc. Boston Soc. Nat. Hist. 4: 274.

Musculium transversum — Burch (1975), Mackie (2007)

Cyclas constricta Prime, 1853

‘Anthony’ Prime, 1853. Proc. Boston Soc. Nat. Hist. 4: 274.

Musculium transversum — Burch (1975), Mackie (2007)

Sphaerium pallidum Gray, 1856

Gray, 1856. Ann. Mag. Nat. Hist. 17: 466.

Sphaerium transversum — Herrington (1962)
Musculium transversum — Mackie (2007)

Sphaerium contractum Prime, 1865

Prime, 1865. Smithsonian Misc. Coll. (145): 48, fig. 46.

Sphaerium partumeium — Herrington (1962)
Musculium transversum — Burch (1975), Mackie (2007)
Musculium partumeium — Mackie (2007)

Musculium transversum form decisum Sterki, 1916

Sterki, 1916. Ann. Carnegie Mus. 10(3/4): ??.
(intro'd as intra-sp. of Cyclas transversa Say, 1829)

Musculium transversum — Burch (1975), Mackie (2007)

Sphaerium pallidium Herrington, 1962

‘Gray’ Herrington, 1962. MPUMMZ (118): 29.
(error for Sphaerium pallidum Gray, 1856)