species Euglesa compressa (Prime, 1852): synonymy

Pisidium altile Prime, 1852

‘Anthony’ C.B. Adams, 1847. Cat. Gen. Sp. Adams: 29. [nomen nudum]
‘Anthony’ Prime, 1852. Boston J. Nat. Hist. 6(3): 353, pl. 11, figs. 10-12.
‘Anthony, in litt.’ Prime, 1865. Smithsonian Misc. Coll. (145): 65 [as ‘Cyclas altilis’]. [nomen nudum]

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

Pisidium compressum Prime, 1852

Prime, 1852. Proc. Boston Soc. Nat. Hist. 4: 164.
Prime, 1852. Ann. Lyc. Natur. Hist. 5: 219, pl. 6.
Prime, 1852. Boston J. Nat. Hist. 6(3): 356, pl. 11, figs. 13-15.
Prime, 1865. Smithsonian Misc. Coll. (145): 64, figs. 67-68.

Pisidium compressum — Martens (1900), Thiele (1934), Herrington (1962), Mackie et al. (1980), Turgeon et al. (1998), ... Bogan (2010), ITIS (2012), Clewing et al. (2013), Ram et al. (2014), Saito et al. (2022)
Corneocyclas (Cymatocyclas) compressum — Dall (1903)
Pisidium (Cyclocalyx) compressum — Clarke (1973), Burch (1975), Cooley & Ó Foighil (2000), Mackie (2007), Bespalaya et al. (2017), Fuentealba-Jara et al. (2017)
Pisidium (Euglesa) compressum — Korniushin & Glaubrecht (2002)
Cyclocalyx compressum — Lee & Ó Foighil (2003)
Euglesa (Cyclocalyx) compressa — Mouthon & Forcellini (2017)
Euglesa compressum — Vinarski et al. (2020)
Euglesa compressa — Príe et al. (2021), Czaja et al. (2023), Prié et al. (2023), Kovalenkova et al. (2025), Bogan et al. (2026)
Euglesa (Casertiana) compressa — Bespalaya et al. (2024)

Pisidium peraltum Sterki, 1900

Sterki, 1900. Nautilus 14(1): ??.

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

Pisidium compressum var. arrosum Sterki, 1905

(intro'd as intra-sp. of Pisidium compressum Prime, 1852)
Sterki, 1905. Nautilus 19(7): ??.

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

Pisidium compressum var. conferum Sterki, 1905

(intro'd as intra-sp. of Pisidium compressum Prime, 1852)
Sterki, 1905. Nautilus 19(7): 82.

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

Pisidium compressum var. contrarium Sterki, 1905

(intro'd as intra-sp. of Pisidium compressum Prime, 1852)
Sterki, 1905. Nautilus 19(7): ??.

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

Pisidium compressum var. coosaense Sterki, 1905

(intro'd as intra-sp. of Pisidium compressum Prime, 1852)
Sterki, 1905. Nautilus 19(7): ??.

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

Pisidium compressum var. laevigatum Sterki, 1905

(intro'd as intra-sp. of Pisidium compressum Prime, 1852)
Sterki, 1905. Nautilus 19(7): ??.

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

Pisidium compressum var. limnicolum Sterki, 1905

(intro'd as intra-sp. of Pisidium compressum Prime, 1852)
Sterki, 1905. Nautilus 19(7): ??.

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

Pisidium compressum var. opacum Sterki, 1905

(intro'd as intra-sp. of Pisidium compressum Prime, 1852)
Sterki, 1905. Nautilus 19(7): ??.

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

Pisidium compressum var. rostratum Sterki, 1905

(intro'd as intra-sp. of Pisidium compressum Prime, 1852)
Sterki, 1905. Nautilus 19(7): ??.

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

Pisidium compressum var. smithii Sterki, 1905

(intro'd as intra-sp. of Pisidium compressum Prime, 1852)
Sterki, 1905. Nautilus 19(7): ??.

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

Pisidium fraudulentum Sterki, 1912

Sterki, 1912. Nautilus 26(8): 95.

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

Pisidium compressum var. curvatum Sterki, 1916

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

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

Pisidium compressum var. illinoisense Sterki, 1916

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

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

Pisidium compressum var. pellucidum Sterki, 1916

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

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

Pisidium compressum mutatum Sterki, 1922

(intro'd as intra-sp. of Pisidium compressum Prime, 1852)
Sterki, 1922. Ann. Carnegie Mus. 13(3/4): ??.

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

Pisidium coloradense Sterki, 1923

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

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

Pisidium fradulentum Mackie, 2007

(error for Pisidium fraudulentum Sterki, 1912)
‘Sterki’ Mackie, 2007. OH Biol. Surv. Bull. New Series 15(3): 289.

Pisidium compressum var. contortum Mackie, 2007

(intro'd as syn of Pisidium compressum Prime, 1852; intro'd as intra-sp. of Pisidium compressum Prime, 1852; error for Pisidium compressum var. conferum Sterki, 1905)
‘Sterki’ Mackie, 2007. OH Biol. Surv. Bull. New Series 15(3): 289.