Bivalvia | Sphaeriida | Sphaerioidea | Sphaeriidae | Sphaeriinae | Euglesa variabilis
Prime, 1858. Ann. Lyc. Natur. Hist. 6: 64, pl. 1, figs. 1a-c.
+ Pisidium (Cyclocalyx) variabile Prime, 1852 — Mackie, 2007: 349.
+ Pisidium (Cyclocalyx) variabile Prime, 1852 — Burch, 1975: 45.
+ Pisidium variabile Prime, 1851 — Herrington, 1962: 50.
+ Pisidium compressum Prime — Prime, 1895: 50.
+ Pisidium compressum Prime — Prime, 1870: 168.
+ Pisidium compressum Prime — Prime, 1865: 65.