Sphaerium Scopoli, 1777
Scopoli, 1777, Intro. His. Nat., etc.: 397.
Type species: Tellina cornea Linnaeus, 1758 () = Sphaerium corneum

Nux Humphrey, 1797
Humphrey, 1797, Mus. Col.: 59.

Cyclas Lamarck, 1799
Bruguière, 1797, Encycl. Méth. 2: 301.
Lamarck, 1799, Mém. Soc. Hist. Nat. 1: 84.
(renamed Cycladea Rafinesque, 1815)
Type species: Tellina cornea Linnaeus, 1758 () = Sphaerium corneum

Musculium Link, 1807
Link, 1807, Beschr. Natr. Samml. Univ. Rostock 3: 152.
Type species: Tellina lacustris Müller, 1774 () = Sphaerium lacustre

Cornea Megerle von Mühlfeld, 1811
Megerle von Mühlfeld, 1811, Mag. Ges. Nat. Fr. Berlin 5: 56.
(renamed Corneocyclas Blainville, 1818)
Type species: Cornea communis Megerle von Mühlfeld, 1811 (monotypy) = Sphaerium corneum

Cycladea Rafinesque, 1815
Rafinesque, 1815, Analyse Nat.: 146.
(new name for Cyclas Lamarck, 1799)

Cyclus Jurine, 1817
Jurine, 1817, Helvet. Almanac: 37.
Anton, 1837, Arch. Naturg. 3 (1): 284.
(error for Cyclas Lamarck, 1799)

Corneocyclas Blainville, 1818
‘Féruss.’ Blainville, 1818, Dict. Sci. Nat. 12: 278.
(intro'd as sub-gen. of Cyclas Lamarck, 1799; new name for Cornea Megerle von Mühlfeld, 1811)

Ameroda Rafinesque, 1820
Rafinesque, 1820, Ann. Gén. Sci. Phys. 5 (13): 319.
(error for Amesoda Rafinesque, 1820; renamed Amesodon Agassiz, 1846)

Amesoda Rafinesque, 1820
Rafinesque, 1820, Ann. Gén. Sci. Phys. 5 (13): 319.
(intro'd as sub-gen. of Cyclas Lamarck, 1799; renamed Amesodon Agassiz, 1846)
Type species: Cyclas similis Say, 1817 () = Sphaerium simile

Phymeroda Rafinesque, 1820
Rafinesque, 1820, Ann. Gén. Sci. Phys. 5 (13): 319.
(error for Phymesoda Rafinesque, 1820)

Phymesoda Rafinesque, 1820
Rafinesque, 1820, Ann. Gén. Sci. Phys. 5 (13): 319.
(intro'd as sub-gen. of Cyclas Lamarck, 1799)

Cycladites Krueger, 1823
Krueger, 1823, Gesch. d. Urwelt. 165: 469.

Cyclos Krueger, 1823
Krueger, 1823, Gesch. d. Urwelt. 165: 469.
(error for Cyclas Lamarck, 1799)

Cyglas Oken, 1835
Oken, 1835, Allg. Naturges.: 303.
(error for Cyclas Lamarck, 1799)

Amesodon Agassiz, 1846
Agassiz, 1846, Nomencl. Zool. Index Univ.: 17.
(new name for Ameroda Rafinesque, 1820; new name for Amesoda Rafinesque, 1820)

Physemoda Prime, 1852
‘Rafinesque’ of Authors.
Prime, 1852, Boston J. Nat. Hist. 6(3): 348.
Prime, 1860, Proc. Acad. Nat. Sci. 12: 267.
Prime, 1865, Smithsonian Misc. Coll. (145): 59.
(error for Phymesoda Rafinesque, 1820)

Amisoda Deshayes, 1854
Deshayes, 1854, Cat. Bivalves Brit. Mus. part 1: 261.
(error for Amesoda Rafinesque, 1820)

Cyrenastrum Bourguignat, 1854
Bourguignat, 1854, Rev. Mag. Zool. 6: 668.
Bourguignat, 1854, Rev. Mag. Zool. 6: 674.
(intro'd as sub-gen. of Sphaerium Scopoli, 1777)
Type species: Cyclas solida Normand, 1844 (orig. desig.) = Sphaerium solidum

Sphaeriastrum Bourguignat, 1854
Bourguignat, 1854, Rev. Mag. Zool. 6: 668.
Bourguignat, 1854, Rev. Mag. Zool. 6: 674.
(intro'd as sub-gen. of Sphaerium Scopoli, 1777)
Type species: Cyclas rivicola Lamarck, 1818 () = Sphaerium rivicola

Securilla Drouët, 1855
Drouët, 1855, Mém. Soc. Roy. Sci. Liége 10: 164.
(intro'd as sub-gen. of Cyclas Brug.)

Musculium Adams & Adams, 1857
Adams & Adams, 1857, Gen. Rec. Moll. 2(31-32): 165, 451.
(reference to Musculium Link, 1807)

Calyculina Clessin, 1872
Clessin, 1872, Malak. Blatt. 19: 159.
Westerlund, 1873, Fauna Moll. Terr. Fluv. Suec. Norv. Dan. (2): 490, 515.
Type species: Cyclas calyculata Draparnaud, 1806 () = Sphaerium lacustre

Carneola Westerlund, 1873
Westerlund, 1873, Fauna Moll. Terr. Fluv. Suec. Norv. Dan. (2): 490.
(error for Corneola Westerlund, 1873)

Corneola Westerlund, 1873
Westerlund, 1873, Fauna Moll. Terr. Fluv. Suec. Norv. Dan. (2): 503.
(homonym of Held, 1837 [Gastrop.])
Type species: Tellina cornea Linnaeus, 1758 () = Sphaerium corneum

Musculum Paetel, 1875
‘Link’ of Authors.
Paetel, 1875, Fam. Gatt. Moll.: 130.
Contreras-Arquieta, 2000, Mexicoa 2(1): 45.
(error for Musculium Link, 1807)

Corneana Servain, 1888
Servain, 1888, Bull. Soc. Malac. France 5: 311.
(intro'd as sub-gen. of Sphaerium Scopoli, 1777)

Lacustriana Servain, 1888
Servain, 1888, Bull. Soc. Malac. France 5: 312.
(intro'd as sub-gen. of Sphaerium Scopoli, 1777)

Rivicoliana Servain, 1888
Servain, 1888, Bull. Soc. Malac. France 5: 309.
(intro'd as sub-gen. of Sphaerium Scopoli, 1777)
Type species: Cyclas rivicola Lamarck, 1818 () = Sphaerium rivicola

Solidiana Servain, 1888
Servain, 1888, Bull. Soc. Malac. France 5: 310.
(intro'd as sub-gen. of Sphaerium Scopoli, 1777)

Primella Cooper, 1892
Cooper, 1892, Proc. Calif. Acad. Sci. 3: 82.

Caliculina Fischer & Crosse, 1894
Fischer & Crosse, 1894, Miss. Sci. Mexique, Rech. Zool. 2(16): 651.
(error for Calyculina Clessin, 1872)

Pseudocorbicula Dautzenberg, 1908
Dautzenberg, 1908, J. de Conch. 56: 32.
Type species: Pseudocorbicula alluaudi Dautzenberg, 1908 () = Sphaerium nyanzae

Serratisphoerium Germain, 1909
Germain, 1909, Arch. Zool. exp. gén. 1: 114.
Type species: Sphaerium courteti Germain, 1904 () = Sphaerium hartmanni

Cornecyclas Hesse, 1916
Hesse, 1916, Nachr. Bl. Dtsch. Malak. Ges. 48: 123.
(error for Corneocyclas Blainville, 1818)
Type species: Cornea communis Megerle von Mühlfeld, 1811 () = Sphaerium corneum

Musculinum Müller, 1921
Müller, 1921, Arch. Moll. 52: 188.
(error for Musculium Link, 1807)

Spaerium Schlesch, 1925
Schlesch, 1925, Arch. Moll. 57(3): 93.
(error for Sphaerium Scopoli, 1777)

Spoerium Bowler-Kelley, 1928
Bowler-Kelley, 1928, C. R. Assoc. Franç. Avanc. Sci. 52: 454.
(error for Sphaerium Scopoli, 1777)

Serratisphaerium Thiele, 1934
Thiele, 1934, Handb. Syst. Weichtierk. 3: 853 [1297].
Vinarski & Kantor, 2016, Analyt. Cat. Fr. Brack. Moll. Russia: 85.
(error for Serratisphoerium Germain, 1909)
Type species: Sphaerium courteti Germain, 1904 () = Sphaerium hartmanni

Sphaerinova Iredale, 1943
Iredale, 1943, Austral. Zool. 10: 195.
Type species: Sphaerium macgillivrayi E.A. Smith, 1882 () = Sphaerium tasmanicum

Clessinicyclas Alimov & Starobogatov, 1968
Alimov & Starobogatov, 1968, Moll. & Role in Ecosyst.: 15.
Type species: Cyclas scaldiana Normand, 1844 () = Sphaerium nucleus

Nucleocyclas Alimov & Starobogatov, 1968
Alimov & Starobogatov, 1968, Moll. & Role in Ecosyst.: 14.
Type species: Cyclas nucleus Studer, 1820 () = Sphaerium nucleus

Paramusculium Alimov & Starobogatov, 1968
Alimov & Starobogatov, 1968, Moll. & Role in Ecosyst.: 15.
Type species: Cyclas transversa Say, 1829 () = Sphaerium transversum

Parasphaerium Alimov & Starobogatov, 1968
Alimov & Starobogatov, 1968, Moll. & Role in Ecosyst.: 14.
Type species: Sphaerium rectidens Starobogatov & Streletzkaja, 1967 () = Sphaerium nitidum

Herringtonium Clarke, 1973
Clarke, 1973, Malacologia 13(1-2): 148.
(intro'd as sub-gen. of Sphaerium Scopoli, 1777)
Type species: Cyclas occidentale Lewis, 1856 (orig. desig.) = Sphaerium occidentale

Asiocyclas Starobogatov & Korniushin, 1986
Starobogatov & Korniushin, 1986, unknown publication: ??.
Type species: Cyclas asiatica Martens, 1864 () = Sphaerium asiaticum

Asiomusculium Starobogatov & Korniushin, 1986
Starobogatov & Korniushin, 1986, unknown publication: ??.
Type species: Cyclas calyculata var. inflata Middendorff, 1851 () = Sphaerium asiaticum

Morimusculium Starobogatov, 1986
Starobogatov, 1986, unknown publication: ??.
Type species: Sphaerium miyadii Mori, 1933 () = Sphaerium miyadii

Parvimusculium Starobogatov & Korniushin, 1986
Starobogatov & Korniushin, 1986, unknown publication: ??.
Type species: Cyclas creplini Dunker, 1845 () = Sphaerium lacustre

Shadinicyclas Starobogatov & Korniushin, 1986
Starobogatov & Korniushin, 1986, unknown publication: ??.

Sibirisphaerium Slugina et al., 1994
Slugina & Starobogatov in Slugina et al., 1994, Ruthenica 4(2): 124.
Type species: Sphaerium (Corneola) westerlundi Westerlund, 1873 () = Sphaerium corneum

Pseudopisidium Korniushin, 1995
Korniushin, 1995, J. Moll. Studies 61: 167.
(intro'd as sub-gen. of Musculium Link, 1807)
Type species: Pisidium incomitatum Kuiper, 1966 (orig. desig.) = Sphaerium incomitatum

Taxonomic History (since 1900)

Sphærium — Martens (1900), Pilsbry (1904), E.A. Smith (1906)
Sphærium (s.s.) — Dall (1903)
Sphærium (s.s. sec. Cyrenastrum) — Dall (1903)
Sphærium (s.s. sec. Sphæriastrum) — Dall (1903)
Sphærium (Musculium) — Dall (1903), Pilsbry (1904)
Sphærium (Corneola) — Pallary (1909)
Sphaerium — Annandale & Prashad (1921), Pilsbry & Bequaert (1927), Srinivasa Rao (1928), F.C. Baker (1928), ..., Saito et al. (2022), Bespalaya et al. (2022), Czaja et al. (2023), Prié et al. (2023)
Pisidium — Pilsbry (1924), Kuiper (1966)
Sphaerium (Corneola) — Pallary (1924)
Eupera — Pilsbry & Bequaert (1927), Mansur & Meier-Brook (2000)
Pseudocorbicula — Pilsbry & Bequaert (1927), Thiele (1934)
Sphaerium (s.s.) — Thiele (1934), Zhadin (1965), Clarke (1973), Burch (1975), ..., Bank (2006), Vinarski & Kantor (2016), Fuentealba-Jara et al. (2017), Bespalaya et al. (2023)
Sphaerium (Amesoda) — Thiele (1934), Falkner et al. (2001), Lee & Ó Foighil (2003), Bespalaya et al. (2023)
Sphaerium (Sphaeriastrum) — Thiele (1934), Zhadin (1965), Mansur & Meier-Brook (2000)
Sphaerium (Cyrenastrum) — Thiele (1934), Zhadin (1965), Falkner et al. (2001), Korniushin & Glaubrecht (2002), Vinarski & Kantor (2016)
Sphaerium (Serratisphaerium) [sic] — Thiele (1934)
Sphaerium (Musculium) — Thiele (1934), Zhadin (1965), Clarke (1973), Lee & Ó Foighil (2003), Stunžėnas et al. (2011), Bespalaya et al. (2023)
Sphaerium (Herringtonium) — Clarke (1973), Burch (1975), Cooley & Ó Foighil (2000), Korniushin & Glaubrecht (2002), Lee & Ó Foighil (2003), Fuentealba-Jara et al. (2017), Bespalaya et al. (2023)
Musculium — Burch (1975), Mackie et al. (1980), Kuiper (1983), Kuiper et al. (1989), ..., Groh et al. (2020), Saito et al. (2022), Clewing et al. (2022), Czaja et al. (2023)
— Burch (1975), Daget (1998)
Sphaerium (Sphaerinova) — B.J. Smith (1992), Cooley & Ó Foighil (2000), Lee & Ó Foighil (2003), Fuentealba-Jara et al. (2017), Bespalaya et al. (2023)
Musculium (Pseudopisidium) — Korniushin (1995)
Musculium (Sphaerinova) — Korniushin (2000)
Musculium (s.s.) — Korniushin (2000), Falkner et al. (2001), Starobogatov et al. (2004), Bank (2006), Vinarski & Kantor (2016)
Musculum [sic] — Contreras-Arquieta (2000)
Sphaerium (Nucleocyclas) — Falkner et al. (2001), Bank (2006), Vinarski & Kantor (2016)
Sphaerium (Parasphaerium) — Falkner et al. (2001), Vinarski & Kantor (2016)
Sphaerium (Rivicoliana) — Korniushin & Glaubrecht (2002), Vinarski & Kantor (2016)
Musculium (Morimusculium) — Starobogatov et al. (2004)
Musculium (Parvimusculium) — Starobogatov et al. (2004)
Paramusculium — Starobogatov et al. (2004), Kantor et al. (2010)
Rivicoliana — Starobogatov et al. (2004), Kantor et al. (2010)
Amesoda (Cyrenastrum) — Starobogatov et al. (2004)
Amesoda (Asiocyclas) — Starobogatov et al. (2004)
Amesoda (Clessinicyclas) — Starobogatov et al. (2004)
Sphaerium (Sibirisphaerium) — Starobogatov et al. (2004)
Parasphaerium — Starobogatov et al. (2004), Kantor et al. (2010)
Amesoda — Kantor et al. (2010)
Nucleocyclas — Kantor et al. (2010)
Musculium (Paramusculium) — Vinarski & Kantor (2016)
Euglesa (Conventus) — Vinarski & Kantor (2016)
“Sphaerium (S)” — Fuentealba-Jara et al. (2017)