| Region: |
| Valid: Yes |
| Type Designation: Kohn, 1966 |
| Type: Representation of Lectotype |
| Type Repository: Kämmerer (1786: pl. 6, fig. 3) |
| Type Size: 59 x 32 mm |
| Type Locality: None |
Synonyms:
- C. ater Philippi, 1836.
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C. franciscanus Hwass in Bruguière, 1792.
- C. glaucescens Sowerby ii, 1834.
- C. humilis Salis Marschlins, 1793.
- C. ignobilis Olivi, 1792.
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C. inaequalis Reeve, 1849.
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C. intermedius Lamarck, 1810.
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C. jamaicensis Hwass in Bruguière, 1792.
- C. jaspis Salis Marschlins, 1793.
- C. madurensis Hwass in Bruguière, 1792.
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C. marmoratus Philippi, 1836.
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C. mediterraneus Hwass in Bruguière, 1792.
- C. olivaceus Salis Marschlins, 1793.
- C. postdiluvianus Risso, 1826.
- C. rufa Scacchi, 1836.
- C. rusticus Poli, 1826.
- C. siculus Delle Chiaje, 1828.
- C. versicolor Scacchi, 1836.