species Sphaerium ovale (Férussac, 1807): synonymy

Cyclas ovalis Férussac, 1807

Férussac, 1807. Ess. méth.: 128, 136.

Sphaerium ovale — Burch (1975), Bogan (2010), IUCN (2011), Fauna Europaea (2012), Vinarski et al. (2020), Príe et al. (2021), Prié et al. (2023)
Sphaerium (Nucleocyclas) ovale — Falkner et al. (2001), Vinarski & Kantor (2016)
Sphaerium (Nucleocyclas) obtusale [sic] — Bank (2006)
Nucleocyclas ovale — Kantor et al. (2010)

Cyclas consobrina Féruss. in Blainville, 1818

Féruss. in Blainville, 1818. Dict. Sci. Nat. 12: 279.

Sphaerium (Nucleocyclas) ovale — Vinarski & Kantor (2016)

Sphaerium levinodis var. radiatum Westerlund, 1897

(intro'd as intra-sp. of Sphaerium levinodis Westerlund, 1876)
Westerlund, 1897. Ann. Mus. St. Pétersbourg 1897: ??.

Amesoda (Clessinicyclas) radiata — Starobogatov et al. (2004)
Sphaerium radiatum — Bogan (2010)
Nucleocyclas radiata — Kantor et al. (2010)
Sphaerium ovale — IUCN (2011), Fauna Europaea (2012)
Sphaerium (Nucleocyclas) ovale — Vinarski & Kantor (2016)

Cyclas pallida Prime, 1865

‘de Charpentier, Mss.’ Prime, 1865. Smithsonian Misc. Coll. (145): 44. [nomen nudum]
‘de Charpentier, in litt.’ Prime, 1870. Amer. J. Conch. 5: 153. [nomen nudum]

Sphaerium ovale — Burch (1975)

Sphaerium (Nucleocyclas) obtusale Bank, 2006

(error for Cyclas ovalis Férussac, 1807)
‘Férussac’ Bank, 2006. Heldia 6(1/2): 60.