Bivalvia | Sphaeriida | Sphaerioidea | Sphaeriidae | Sphaeriinae | Euglesa
Prime, 1852. Boston J. Nat. Hist. 6(3): 366, pl. 12, figs. 23-25.
Prime, 1865. Smithsonian Misc. Coll. (145): 63, figs. 65-66 [as ‘æquilaterale’].
Pisidium aequilaterale [sic] — Herrington (1962)
Pisidium (Cyclocalyx) equilaterale — Clarke (1973), Burch (1975), Mackie (2007)
Pisidium equilaterale — Mackie et al. (1980), Turgeon et al. (1998), Bogan (2010), IUCN (2011), ITIS (2012)
Prime, 1865. Smithsonian Misc. Coll. (145): 63 [as ‘æquilaterale’].
Prime, 1870. Amer. J. Conch. 5: 165.
‘Prime’ Prime, 1895. Cat. Corbiculadae: 50 [as ‘æquilaterale’].
‘Prime’ Herrington, 1962. MPUMMZ (118): 31.
(error for Pisidium equilaterale Prime, 1852)
Pisidium (Cyclocalyx) equilaterale — Clarke (1973), Burch (1975), Mackie (2007)
Pisidium aequilaterale [sic] — Herrington (1962)
Pisidium (Cyclocalyx) equilaterale — Clarke (1973), Burch (1975), Mackie (2007)
Pisidium equilaterale — Mackie et al. (1980), Turgeon et al. (1998), Bogan (2010), IUCN (2011), ITIS (2012)