Region:

Fossil: Neogene

Type Designation: Pinna and Spezia, 1978

Type: Holotype

Type Repository: MCNM

Catalogue Number of Type: i4662?

Type Locality: San Luca , Bolgna.

Subspecies:

• C. antediluvianoides Sacco, 1893.
• C. brevidepressula Sacco, 1893.
• C. crassospirata Sacco, 1893.
• C. excanaliculata Sacco, 1893.
• C. fusulospirata Sacco, 1893.