Cyclas duplicata Pfeiffer, 1821
Pfeiffer, 1821. Natur. Deutsch. Land Sussw. Moll. 1: 230.

Pisidium dhingolii Villa, 1841
Bivona in Villa, 1841. Dispos. Syst. Conchyl.: 44.

Pisidium semen Menke, 1843
Menke, 1843. Molluscorum Novae Hollandiae Specimen: 40.

— Kuiper (1983)

Cyclas jeannottii Normand, 1844
Normand, 1844. Nouv. Espèc. Cyclades Valenc.: ??.

Cyclas egregia Gould, 1850
Gould, 1850. Proc. Boston Soc. Nat. Hist. 3: 292.

Sphaerium egregium — Kuiper (1983)
— B.J. Smith (1992), Korniushin (2000)

Pisidium fuscum Haidinger, 1851
‘Parreys’ Haidinger, 1851. Ber. Mit. Freunde Naturw. Wien 7: 211.

Cyclas reclusianum Bourguignat, 1852
Bourguignat, 1852. J. de Conch. 3: 174.

Pisidium ferroense Mörch, 1857
Mörch, 1857. Cat. Suenson: 43.

Sphaerium inconspicuum Prime, 1860
Prime, 1860. Proc. Zool. Soc. London 28: 322.
Prime, 1861. J. de Conch. 9: 43, pl. 2, fig. 7.

Pisidium cuneatum Bielz, 1863
Bielz, 1863. Moll. Siebend.: ??.

Pisidium simile Prime, 1863
Prime, 1863. Cat. Corbicul.: 15.
Prime, 1865. Smithsonian Misc. Coll. (145): 69, fig. 74.

Pisidium bartolomaeum Clessin, 1873
Clessin, 1873. Corrspbl. d. zool.-mineral. Ver. Regensburg: ??.
Clessin, 1874. Conch. Cab. 9(3): 31, pl. 3, figs. 12-14.

Pisidium acuminatum Martens, 1874
Clessin in Martens, 1874. unknown publication: 37, pl. 3, fig. 32.
Clessin, 1877. Conch. Cab. 9(3): 44, pl. 5, figs. 4-6.

Pisidium italicum Clessin, 1874
Clessin, 1874. Conch. Cab. 9(3): 40, pl. 4, figs. 16-18.

Pisidium moreanum Clessin, 1874
Clessin, 1874. Conch. Cab. 9(3): 38, pl. 4, figs. 7-9.

Pisidium sphaeriiforme Martens, 1874
Clessin in Martens, 1874. unknown publication: 37, pl. 3, fig. 33.
Clessin, 1877. Conch. Cab. 9(3): 45, pl. 5, figs. 7-9.

Pisidium colbeaui Clessin, 1877
Clessin, 1877. Conch. Cab. 9(3): 48, pl. 5, figs. 21-23.

Pisidium obtusatum Clessin, 1877
Clessin, 1877. Conch. Cab. 9(3): 41, pl. 4, figs. 19-21.

Pisidium tumidum Clessin, 1877
‘Colbeau’ Clessin, 1877. Conch. Cab. 9(3): 47, pl. 5, figs. 13-15.

Sphaerium californicum Clessin, 1878
Clessin, 1878. Malak. Blatt. 25: ??.

— Burch (1975)

Pisidium mighelsianum Clessin, 1879
Clessin, 1879. Conch. Cab. 9(3): ??.

— Burch (1975)

Pisidium glaciale Westerlund, 1883
Westerlund, 1883. Nachr. Bl. Dtsch. Malak. Ges. 15(3/4): ??.

— Burch (1975)

Pisidium nivale Westerlund, 1883
Westerlund, 1883. Nachr. Bl. Dtsch. Malak. Ges. 15(3/4): ??.

— Burch (1975)

Sphaerium deformis Carpenter, 1902
Carpenter, 1902. Nautilus 15(11): ??.

— Burch (1975)

Pisidium miliolum Clessin, 1907
Clessin, 1907. unknown publication: 8.

Pisidium miliolum — Kantor et al. (2010)

Pisidium schmidti Clessin, 1907
Clessin, 1907. unknown publication: 8.

Pisidium schmidti — Kantor et al. (2010)

Pisidium angelicum Herrington, 1954
‘Rowell’ Herrington, 1954. Nautilus 67(3): ??.

— Burch (1975)

Euglesa difficilis Popova et al., 1970
Poppva & Starobogatov in Popova et al., 1970. unknown publication: ??.

Euglesa peipsi Timm, 1976
Timm, 1976. Eesti NSV Tead. Akad. Toim. (Biol.) 25(1): 47, fig. 3.

Cingulipisidium peipsi — Kantor et al. (2010)
— Vinarski & Kantor (2016)

Euglesa pihkva Timm, 1976
Timm, 1976. Eesti NSV Tead. Akad. Toim. (Biol.) 25(1): ??.

Euglesa (Casertiana) alexandri Stadnichenko, 1980
Stadnichenko, 1980. Vestnik Zoologii (6): 33.

Roseana alexandri — Kantor et al. (2010)
— Vinarski & Kantor (2016)

Euglesa (Cingulipisidium) juliae Stadnichenko, 1980
Stadnichenko, 1980. Vestnik Zoologii (6): 29.

Cingulipisidium juliae — Kantor et al. (2010)
— Vinarski & Kantor (2016)

Cyclas corsa of Authors, unknown year
Charpentier, in litt. of Authors.

Cyclas perpusilla of Authors, unknown year
Gärtner of Authors.

Pisidium bensoni of Authors, unknown year
Prime of Authors.

Sphaerium scaldianum of Authors, unknown year
Westerlund 1868 Coll. Typ. Moll. Su. of Authors.
(misidentified reference to Cyclas scaldiana Normand, 1844)

Sphaerium corneum pisidioides of Authors, unknown year
Westerlund Sv. Moll. of Authors.
(misidentified reference to Sphaerium pisidioides Gray, 1856)

Pisum recluzianum Deshayes, 1854
‘Bourguignat’ Deshayes, 1854. Cat. Bivalves Brit. Mus. part 1: 279.
(error for Cyclas reclusianum Bourguignat, 1852)

Cyclas ovata Lewis, 1856
Lewis, 1856. Proc. Boston Soc. Nat. Hist. 6(1): ??. [nomen nudum]
‘Lewis’ Prime, 1870. Amer. J. Conch. 5: ??. [nomen nudum]

— Burch (1975)

Cyclas americana Prime, 1862
‘Christof. and Jan.’ Prime, 1862. Proc. Acad. Nat. Sci. 14: ??. [nomen nudum]

— Burch (1975)

Cyclas errans Prime, 1870
‘Lewis’ Prime, 1870. Amer. J. Conch. 5: ??. [nomen nudum]

— Burch (1975)

Cyclas fluminea Prime, 1870
‘Bosc’ Prime, 1870. Amer. J. Conch. 5: ??. [nomen nudum]

— Burch (1975)

Cyclas fluviatilis Prime, 1870
‘Bosc’ Prime, 1870. Amer. J. Conch. 5: ??. [nomen nudum]

— Burch (1975)

Cyclas hammalis Prime, 1870
‘Rafinesque’ Prime, 1870. Amer. J. Conch. 5: ??. [nomen nudum]
(misidentified reference to Cyclas (Corbicula) hammalis Rafinesque, 1820)

— Burch (1975)

Cyclas quercus Prime, 1870
‘Lewis’ Prime, 1870. Amer. J. Conch. 5: ??. [nomen nudum]

— Burch (1975)

Cyclas rugosa Prime, 1870
‘Whittemore’ Prime, 1870. Amer. J. Conch. 5: ??. [nomen nudum]

— Burch (1975)

Pisidium harfordianum Prime, 1870
Prime, 1870. Amer. J. Conch. 5: 169. [nomen nudum]
‘Pr. Cooper’ Roper, 1896. Nautilus 9: ??. [nomen nudum]

— Burch (1975)

Pisidium parvulum Prime, 1870
‘Benson, in litt.’ Prime, 1870. Amer. J. Conch. 5: 171. [nomen nudum]

Sphaerium cooperianum Prime, 1870
Prime, 1870. Amer. J. Conch. 5: 152. [nomen nudum]

— Burch (1975)

Sphaerium proximum Prime, 1870
‘Alder’ Prime, 1870. Amer. J. Conch. 5: ??. [nomen nudum]

— Burch (1975)

Pisidium minus Clessin, 1879
‘Mighels in coll.’ Clessin, 1879. Conch. Cab. 9(3): ??. [nomen nudum]
(intro'd as syn of Pisidium mighelsianum Clessin, 1879)

— Burch (1975)

Pisidium mesae Cockerell, 1889
Cockerell, 1889. J. of Conch. 6: ??. [nomen nudum]

— Burch (1975)

Pisidium septentrionale Prime, 1895
Prime, 1895. Cat. Corbiculadae: 61. [nomen nudum]

Pisidium titicacense Prime, 1895
Prime, 1895. Cat. Corbiculadae: 55. [nomen nudum]
(homonym of Pisidium titicacense Pilsbry, 1924)

Sphaerium minervae Prime, 1895
Prime, 1895. Cat. Corbiculadae: 45. [nomen nudum]

Pisidium sargerti Sterki, 1900
Sterki, 1900. 8th Ann. Rep. Ohio St. Acad. Sci.: ??. [nomen nudum]

— Burch (1975)

Pisidium?? riograndensis Morretes, 1949
‘Ihering’ Morretes, 1949. Arqu. Mus. Paranaense 7: ??. [nomen nudum]

Byssanodonta riograndensis — Simone (2006)

Sphaerium cardiidae Gabriel et al., 2017
Gabriel et al., 2017. Intern. J. Fauna Biol. Stud. 4(2A): 44. [nomen nudum]