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Cyclonema varicosum

Gastropoda - Euomphalina - Platyceratidae

Taxonomy
Cyclonema varicosa was named by Hall (1861). It is not extant.

It was corrected as Cyclonema varicosum by Hall (1861), Ulrich and Scofield (1897), Bassler (1932), Wilson (1949), Thompson (1970), Wagner (2023).