Bivalvia | Sphaerioida | Sphaerioidea | Sphaeriidae | Sphaeriinae | Pisidium dubium nominal species Cyclas (Phymesoda) equalis Rafinesque, 1820
Rafinesque, 1820, Ann. Gén. Sci. Phys. 5 (13): 319 [also as ‘Phymeroda [sic] equalis’].
= Pisidium dubium Taxonomic Opinions
+ Pisidium dubium (Say, 1817) — Jihad, 2023
+ Pisidium (s.s.) dubium (Say, 1816) — Burch, 1975
+ Pisidium dubium (Say, 1816) — Herrington, 1962
+ Pisidium virginica Bourguignat — Prime, 1870
+ Pisidium virginicum Bourguignat — Prime, 1865
= Pisidium equale Rafinesque — Prime, 1852
= Cyclas æqualis [sic] Raf. — Ferussac, 1835
= Cyclas (Phymesoda) equalis — Rafinesque, 1820
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