Bivalvia | Sphaeriida | Sphaerioidea | Sphaeriidae | Sphaeriinae | Pisidium dubium

nominal species Cyclas (Phymesoda) equalis Rafinesque, 1820

Cyclas (Phymesoda) equalis Rafinesque, 1820 = Pisidium dubium

Rafinesque, 1820. Ann. Gén. Sci. Phys. 5 (13): 319 [also as ‘Phymeroda [sic] equalis’].

Taxonomic Opinions

+ Pisidium dubium (Say, 1817) — Jihad, 2023: 597.

+ Pisidium (s.s.) dubium (Say, 1816) — Mackie, 2007: 300.

+ Pisidium (s.s.) dubium (Say, 1816) — Burch, 1975: 47.

+ Pisidium dubium (Say, 1816) — Herrington, 1962: 37.

+ Pisidium virginica Bourguignat — Prime, 1870: 174.

+ Pisidium virginicum Bourguignat — Prime, 1865: 61.

= Pisidium equale Rafinesque — Prime, 1852: 367.

= Cyclas æqualis [sic] Raf. — Ferussac, 1835: 29.

= Cyclas (Phymesoda) equalis — Rafinesque, 1820: 319.