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The nomen “Pisidium zoctanum Poli, 1876” was ambiguously used for some bivalve mollusk of the family Sphaeriidae inhabiting Karani-Koba Cave (Crimean Mountains, Karabi Massif). Literature and analysis of available museum material has shown that the nomen is not valid. This is due in part to the fact that this species has never been described and thus appears to be a ghost-taxon. To date, Euglesa crimeana Stadnichenko, 1980 is the only correctly established name for the sphaeriids from Karani-Koba Cave.

Pisidium zoctanum Poli, 1876” (Mollusca, Bivalvia) – таксон-призрак из крымской пещеры Карани-Коба
Варгович Р.С.; Анистратенко В.В. ;