Pisidium Pfeiffer, 1821
Pfeiffer, 1821, Natur. Deutsch. Land Sussw. Moll. 1: 17, 123.
Type species: Cyclas obliqua Lamarck, 1818 () = Pisidium amnicum

Psidium Goldfuss, 1832
Goldfuss, 1832, Naturh. Atlas 4: 81.
(error for Pisidium Pfeiffer, 1821)

Pindium Humphreys, 1845
Humphreys, 1845, Contrib. Fauna Cork. (Cuv. Soc.): 7.
(error for Pisidium Pfeiffer, 1821)

Piscidium Brown, 1845
Brown, 1845, Ill. Foss. Conch. G. B. & I.: 209.
(error for Pisidium Pfeiffer, 1821)

Gallileja Prime, 1852
‘da Costa’ of Authors.
Prime, 1852, Boston J. Nat. Hist. 6(3): 348.
Prime, 1865, Smithsonian Misc. Coll. (145): 59.
Prime, 1870, Amer. J. Conch. 5: 164.
(error for Galileja Costa, 1840)

Cordula Leach, 1852
Leach, 1852, Syn. Moll. Gr. Brit.: 288, 292.
Type species: Tellina amnica Müller, 1774 (monotypy) = Pisidium amnicum

Pera Leach, 1852
Alder, 1831, Trans. Natur. Hist. Soc. Northumbld. Durham 1: 41 [not used as valid].
Leach, 1852, Syn. Moll. Gr. Brit.: 288, 291.
(intro'd as syn. of Cyclas Lamarck, 1799)

Pisidia Chenu, 1859
Desmarest in Chenu, 1859, Encycl. Hist. Nat., Crust. Moll. Zooph. 4: 43.
(error for Pisidium Pfeiffer, 1821)

Fluminina Westerlund, 1873
‘Clessin MS’ Westerlund, 1873, Fauna Moll. Terr. Fluv. Suec. Norv. Dan. (2): 529.
Type species: Tellina amnica Müller, 1774 () = Pisidium amnicum

Flumininea Clessin, 1877
Clessin, 1877, Deutsche Excurs. Moll. Fauna: 502.
(error for Fluminina Westerlund, 1873)

Amnicana Servain, 1888
Servain, 1888, Bull. Soc. Malac. France 5: 312.
Fagot, 1892, Bull. Soc. Ramond 27: 35.

Flumina Picaglia, 1892
Picaglia, 1892, Boll. Soc. Malac. Ital. 16: 192.
(error for Fluminina Westerlund, 1873)

Lacustrina Sterki, 1916
Sterki, 1916, Ann. Carnegie Mus. 10(3/4): 473.
Type species: Pisidium idahoense Roper, 1890 () = Pisidium idahoensis

Fluminium Müller, 1921
Müller, 1921, Arch. Moll. 52: 188.
(error for Fluminina Westerlund, 1873)

Pisielium Bowler-Kelley, 1928
Bowler-Kelley, 1928, C. R. Assoc. Franç. Avanc. Sci. 52: 454.
(error for Pisidium Pfeiffer, 1821)

Galileia Thiele, 1934
‘O.G. Costa’ Thiele, 1934, Handb. Syst. Weichtierk. 3: 853 [1296].
(error for Galileja Costa, 1840)

Hensewiana Neave, 1940
Neave, 1940, Nomen. Zool. 2: .
(error for Henslowiana Servain, 1888)

Parapisidium Kuiper, 1966
Kuiper, 1966, Arch. Moll. 95(1/2): 15.
(intro'd as sub-gen. of Pisidium Pfeiffer, 1821)
Type species: Pisidium (Parapisidium) reticulatum Kuiper, 1966 () = Pisidium reticulatum

Amuropisidium Prozorova, 1995
Prozorova, 1995, Zool. Zhur. 74(11): 34.
Type species: Pisidium baicalense var. decurtatum Lindholm, 1909 () = Pisidium decurtatum

Taxonomic History (since 1900)

Pisidium — Martens (1900), H.B. Baker (1930), Thiele (1934), Goodrich & van der Schalie (1937), ..., Clewing et al. (2022), Czaja et al. (2023), Prié et al. (2023), Bespalaya et al. (2023)
Corneocyclas (Phymesoda) — Dall (1903)
Corneocyclas (Pisidium) — Dall (1903)
Sphaerium — van Benthem Jutting (1931), IUCN (2011)
Pisidium (Eupisidium) — Mori (1938), Mandahl-Barth (1938), Zhadin (1965)
Pisidium (s.s.) — Kuiper (1962), Clarke (1973), Burch (1975), Cooley & Ó Foighil (2000), ..., Vinarski & Kantor (2016), Bespalaya et al. (2017), Voode (2017), Fuentealba-Jara et al. (2017)
Pisidium (Neopisidium) — Clarke (1973), Burch (1975), Vinarski & Kantor (2016)
— Burch (1975), Daget (1998)
Pisidium (Lacustrina) — Korniushin & Glaubrecht (2002)
Pisidium (Amuropisidium) — Starobogatov et al. (2004)
Lacustriana [sic] — Starobogatov et al. (2004)
Europisidium — Kantor et al. (2010)
Neopisidium — Kantor et al. (2010)
Odhneripisidium — Kantor et al. (2010)
Lacustrina — Kantor et al. (2010), Vinarski & Kantor (2016), Vinarski et al. (2020)
Pisidium (Kuiperipisidium) — Vinarski & Kantor (2016)
Pisidium (Odhneripisidium) — Vinarski & Kantor (2016)
Euglesa — Vinarski et al. (2020)