Pisidium milium Held, 1836
Held, 1836, Isis (Oken) 1836: 281.

Pisidium milium — Held (1836), Clessin (1874), Prime (1895), Herrington (1962), ..., Fauna Europaea (2012), ITIS (2012), Clewing et al. (2013), Saito et al. (2022)
Pisidium (Gruppe Fossarina) milium — Clessin (1877)
Pisidium (Eupisidium) milium — Mandahl-Barth (1938), Zhadin (1965), Korniushin (1998)
Pisidium (Cyclocalyx) milium — Clarke (1973), Burch (1975), Cooley & Ó Foighil (2000), Bespalaya et al. (2017), Voode (2017), Fuentealba-Jara et al. (2017)
Pisidium (Cingulipisidium) milium — Falkner et al. (2001), Bank (2006)
Pisidium (Euglesa) milium — Korniushin & Glaubrecht (2002)
Cyclocalyx milium — Lee & Ó Foighil (2003)
Tetragonocyclas milium — Starobogatov et al. (2004), Kantor et al. (2010)
Euglesa (Tetragonocyclas) milium — Vinarski & Kantor (2016)
Euglesa (Cyclocalyx) milium — Mouthon & Forcellini (2017)
Euglesa milium — Vinarski et al. (2020), Príe et al. (2021), Bespalaya et al. (2022), Prié et al. (2023)
Euglesa (Cingulipisidium) milium — Bespalaya et al. (2023)

Pisidium tetragonum Normand, 1854
Normand, 1854, Cycl. Dépt. Nord. 5: 5.

Pisidium tetragonum — Normand (1854)
Pisidium gassiesianum — Prime (1870)
Pisidium milium — Clessin (1874), Prime (1895), Fauna Europaea (2012)
Tetragonocyclas tetragona — Starobogatov et al. (2004), Kantor et al. (2010)
Euglesa (Tetragonocyclas) tetragonum — Vinarski & Kantor (2016)

Pisidium baudonianum de Cessac, 1855
de Cessac, 1855, Bull. Soc. Sci. Nat. Creuse 2: 74.

Pisidium baudonianum — de Cessac (1855)
Pisidium gassiesianum — Prime (1870)
Pisidium milium — Prime (1895)
Tetragonocyclas baudoniana — Starobogatov et al. (2004), Kantor et al. (2010)
Euglesa (Tetragonocyclas) baudoniana — Vinarski & Kantor (2016)

Euglesa (Tetragonocyclas) quadrangula Starobogatov & Budnikova, 1985
Starobogatov & Budnikova, 1985, Trudy Zool. Inst. 135: 101.

Euglesa (Tetragonocyclas) quadrangula — Starobogatov & Budnikova (1985), Vinarski & Kantor (2016)
Tetragonocyclas quadrangula — Starobogatov et al. (2004), Kantor et al. (2010)

Euglesa (Tetragonocyclas) subtetragona Starobogatov & Budnikova, 1985
Starobogatov & Budnikova, 1985, Trudy Zool. Inst. 135: 99, fig. 4.

Euglesa (Tetragonocyclas) subtetragona — Starobogatov & Budnikova (1985), Vinarski & Kantor (2016)
Tetragonocyclas subtetragona — Starobogatov et al. (2004), Kantor et al. (2010)

Pisidium gassiesianum Gassies, 1849
Gassies, 1849, Moll. Agenais: 207, pl. 2, fig. 2.

Pisidium gassiesianum — Gassies (1849), Prime (1852), Prime (1870)
Pisum vitreum — Deshayes (1854)
Pisidium milium — Clessin (1874)
Pisidium (Gruppe Fossarina) milium — Clessin (1877)

Pisidium normandianum Gassies, 1849
Dupuy in Gassies, 1849, Moll. Agenais: 206.

Pisidium normandianum — Gassies (1849), Prime (1852)
Pisum vitreum — Deshayes (1854)
Pisidium gassiesianum — Prime (1870)
Pisidium (Gruppe Fossarina) milium var. normandianum — Clessin (1877)
Pisidium milium — Prime (1895)
Euglesa (Tetragonocyclas) milium — Vinarski & Kantor (2016)

Pisidium arcaeforme Malm, 1855
Malm, 1855, Götheborgs K. Ver. Vitt. Samh. Handl. 3: ??.

Pisidium arcaeforme — Malm (1855), Prime (1870)
Pisidium milium — Clessin (1874), Fauna Europaea (2012)
Pisidium (Gruppe Fossarina) milium — Clessin (1877)
Euglesa (Tetragonocyclas) milium — Vinarski & Kantor (2016)

Pisidium roseum Jeffreys, 1862
Jeffreys, 1862, Br. Conchol. 1: 26.
(misidentified reference to Pisidium roseum Scholtz, 1843)

Pisidium roseum — Jeffreys (1862)
Pisidium (Gruppe Fossarina) milium — Clessin (1877)

Pisidium milium var. alpestre Clessin, 1873
Clessin, 1873, Corrspbl. d. zool.-mineral. Ver. Regensburg: ??.
Clessin, 1874, Conch. Cab. 9(3): 21, pl. 2, fig. 16.
(intro'd as intra-sp. of Pisidium milium Held, 1836)

Pisidium milium var. alpestre — Clessin (1873)
Pisidium (Gruppe Fossarina) milium var. alpestre — Clessin (1877)

Taxonomic History (since 1900)

Pisidium (Eupisidium) milium — Mandahl-Barth (1938), Zhadin (1965), Korniushin (1998)
Pisidium milium — Herrington (1962), Kuiper (1966), Mackie et al. (1980), Mandahl-Barth (1988), ..., ITIS (2012), Fauna Europaea (2012), Clewing et al. (2013), Saito et al. (2022)
Pisidium (Cyclocalyx) milium — Clarke (1973), Burch (1975), Cooley & Ó Foighil (2000), Bespalaya et al. (2017), Voode (2017), Fuentealba-Jara et al. (2017)
Euglesa (Tetragonocyclas) quadrangula — Starobogatov & Budnikova (1985), Vinarski & Kantor (2016)
Euglesa (Tetragonocyclas) subtetragona — Starobogatov & Budnikova (1985), Vinarski & Kantor (2016)
Pisidium (Cingulipisidium) milium — Falkner et al. (2001), Bank (2006)
Pisidium (Euglesa) milium — Korniushin & Glaubrecht (2002)
Cyclocalyx milium — Lee & Ó Foighil (2003)
Tetragonocyclas milium — Starobogatov et al. (2004), Kantor et al. (2010)
Tetragonocyclas tetragona — Starobogatov et al. (2004), Kantor et al. (2010)
Tetragonocyclas baudoniana — Starobogatov et al. (2004), Kantor et al. (2010)
Tetragonocyclas quadrangula — Starobogatov et al. (2004), Kantor et al. (2010)
Tetragonocyclas subtetragona — Starobogatov et al. (2004), Kantor et al. (2010)
Euglesa (Tetragonocyclas) milium — Vinarski & Kantor (2016)
Euglesa (Tetragonocyclas) tetragonum — Vinarski & Kantor (2016)
Euglesa (Tetragonocyclas) baudoniana — Vinarski & Kantor (2016)
Euglesa (Cyclocalyx) milium — Mouthon & Forcellini (2017)
Euglesa milium — Vinarski et al. (2020), Príe et al. (2021), Bespalaya et al. (2022), Prié et al. (2023)
Euglesa (Cingulipisidium) milium — Bespalaya et al. (2023)