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

nominal species Cyclas aequalis Lamarck, 1835

Cyclas aequalis Lamarck, 1835 = Pisidium dubium

Lamarck, 1835. unknown publication: ??.
‘Rafinesque’ Ferussac, 1835. Mag. Zool. 5(59-60): 29.
‘Rafinesque’ Prime, 1865. Smithsonian Misc. Coll. (145): 62.
‘Rafinesque’ Prime, 1870. Amer. J. Conch. 5: 174.
(error for Cyclas (Phymesoda) equalis Rafinesque, 1820)

= Pisidium dubium

Taxonomic Opinions

+ Pisidium dubium (Say, 1817) — Jihad, 2023

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