nominal species Pisidium grande Prime, 1865
‘Whittemore, in litt.’ Prime, 1865, Smithsonian Misc. Coll. (145): 66. [nomen nudum]
‘Whittemore, in litt.’ Prime, 1870, Amer. J. Conch. 5: 173. [nomen nudum]
(intro'd as syn of Pisidium variabile Prime, 1852)
= Pisidium variabile Taxonomic Opinions
+ Pisidium (Cyclocalyx) variabile Prime, 1852 — (Burch, 1975)
+ Pisidium variabile Prime — (Prime, 1895)
+ Pisidium variabile Prime — (Prime, 1870)
+ Pisidium variabile Prime — (Prime, 1865)
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