species Euglesa variabilis (Prime, 1852): synonymy

Pisidium variabile Prime, 1852

Prime, 1852. Proc. Boston Soc. Nat. Hist. 4: 163.
Prime, 1852. Boston J. Nat. Hist. 6(3): 351, pl. 11, figs. 7-9.
Prime, 1865. Smithsonian Misc. Coll. (145): 66, figs. 69-70.

Pisidium variabile — Herrington (1962), Mackie et al. (1980), Turgeon et al. (1998), Schultheiß et al. (2008), Bogan (2010), IUCN (2011), Stunžėnas et al. (2011), ITIS (2012), Clewing et al. (2013), Saito et al. (2022)
Pisidium (Cyclocalyx) variabile — Clarke (1973), Burch (1975), Cooley & Ó Foighil (2000), Mackie (2007), Bespalaya et al. (2017), Fuentealba-Jara et al. (2017)
Cyclocalyx variabile — Lee & Ó Foighil (2003)
Euglesa (Cyclocalyx) variabile — Mouthon & Forcellini (2017)
Euglesa variabile — Vinarski et al. (2020)
Euglesa (Casertiana) variabilis — Bespalaya et al. (2023)

Pisidium cicer Prime, 1858

Prime, 1858. Ann. Lyc. Natur. Hist. 6: 64, pl. 1, figs. 1a-c.

Pisidium variabile — Herrington (1962)
Pisidium (Cyclocalyx) variabile — Burch (1975), Mackie (2007)

Pisidium mirabile Clessin, 1877

‘Whittemore’ Clessin, 1877. Conch. Cab. 9(3): 49, pl. 6, figs. 1-3.

Pisidium (Cyclocalyx) variabile — Burch (1975), Mackie (2007)

Pisidium variabile var. brevius Sterki, 1906

Sterki, 1906. Nautilus 19(10): ??.
(intro'd as intra-sp. of Pisidium variabile Prime, 1852)

Pisidium (Cyclocalyx) variabile — Burch (1975), Mackie (2007)

Pisidium variabile var. hybridum Sterki, 1906

Sterki, 1906. Nautilus 19(10): ??.
(intro'd as intra-sp. of Pisidium variabile Prime, 1852)

Pisidium (Cyclocalyx) variabile — Burch (1975), Mackie (2007)

Pisidium variabile var. magnum Sterki, 1916

Sterki, 1916. Ann. Carnegie Mus. 10(3/4): ??.
(intro'd as intra-sp. of Pisidium variabile Prime, 1852)

Pisidium (Cyclocalyx) variabile — Burch (1975), Mackie (2007)

Pisidium decisum Sterki, 1922

Sterki, 1922. Ann. Carnegie Mus. 13(3/4): ??.

Pisidium variabile — Herrington (1962)
Pisidium (Cyclocalyx) variabile — Burch (1975), Mackie (2007)

Pisidium probum Sterki, 1923

Sterki, 1923. Nautilus 37(1): ??.

Pisidium variabile — Herrington (1962)
Pisidium (Cyclocalyx) variabile — Burch (1975), Mackie (2007)

Cyclas nitida Linsley, 1845

Linsley, 1845. Amer. J. Sci. 48(2): 276.
(misidentified reference to Cyclas nitida Mighels in Mighels & Adams, 1842)

Pisidium grande ‘Whittemore, in litt.’ Prime, 1865

‘Whittemore, in litt.’ Prime, 1865. Smithsonian Misc. Coll. (145): 66. [nomen nudum]
‘Whittemore, in litt.’ Prime, 1870. Amer. J. Conch. 5: 173. [nomen nudum]
(intro'd as syn of Pisidium variabile Prime, 1852)

Pisidium (Cyclocalyx) variabile — Burch (1975), Mackie (2007)

Pisidium palustre ‘Lewis, in litt.’ Prime, 1870

‘Lewis, in litt.’ Prime, 1870. Amer. J. Conch. 5: 173. [nomen nudum]
(intro'd as syn of Pisidium variabile Prime, 1852)

Pisidium (Cyclocalyx) variabile — Burch (1975), Mackie (2007)