| Region: |
| Valid: Yes |
| Type Designation: Kohn, 1968 |
| Type: Lectotype |
| Type Repository: MHNG |
| Catalogue Number of Type: 1107/69 |
| Type Size: 43 x 28.5 mm |
| Type Locality: America |
Synonyms:
-
C. nivifer Sowerby ii, 1833.
- C. nivosus Lamarck, 1810.
| Region: |
| Valid: Yes |
| Type Designation: Kohn, 1968 |
| Type: Lectotype |
| Type Repository: MHNG |
| Catalogue Number of Type: 1107/69 |
| Type Size: 43 x 28.5 mm |
| Type Locality: America |