Region:

Fossil: Miocene

Type Locality: Colli Torinesi

Subspecies:

• C. magnoconica Sacco, 1893.
• C. minimespirata Sacco, 1893.
• C. pseudavellanoides Sacco, 1893.
• C. pseudolivoides Sacco, 1893.
• C. subglandiformis Sacco, 1893.