Region:

Fossil: Miocene; Pliocene?

Type: Holotype

Type Repository: MCNM

Type Locality: Piacentino, Italy.

Subspecies:

• C. compressospira Sacco, 1893.
• C. elmenus Gregorio, 1885.
• C. empigus Gregorio, 1885.
• C. fusoclavata Sacco, 1893.
• C. glandoasulcata Sacco, 1893.
• C. glandonoe Sacco, 1893.
• C. juvenoasulcata Sacco, 1893.
• C. juventula Sacco, 1893.
• C. laevimutinensis Sacco, 1893.
• C. miofusuloides Sacco, 1893.
• C. miopermamillata Sacco, 1893.
• C. miopraecedens Sacco, 1893.
• C. miosubmamillata Sacco, 1893.
• C. miosubtypica Sacco, 1893.
• C. miovulea Sacco, 1893.
• C. parvonoe Sacco, 1893.
• C. planoconvexospira Sacco, 1893.
• C. taurocrassa Sacco, 1893.
• C. tauroperlaevis Sacco, 1893.
• C. tauroponderosa Sacco, 1893.
• C. unisulculata Sacco, 1893.