| Region: |
| Valid: Yes |
| Type Designation: Kohn, 1963 |
| Type: Neotype |
| Type Repository: UUZM |
| Type Size: 43 x 19 mm |
| Type Locality: None |
Synonyms:
- C. ambaroides Shikama, 1977.
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C. assimilis A. Adams, 1854.
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C. borneensis Sowerby ii, 1866.
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C. caesius Röding, 1798.
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C. carinatus Swainson, 1822.
- C. cernohorskyi da Motta, 1983.
- C. circae Sowerby ii, 1858.
- C. consul Boivin, 1864.
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C. epistomioides Weinkauff, 1875.
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C. epistomium Reeve, 1844.
- C. frauenfeldi Crosse, 1865.
- C. fucatus Reeve, 1849.
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C. fulvobullatus da Motta, 1982.
- C. metcalfii Reeve, 1843.
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C. raphanus Hwass in Bruguière, 1792.
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C. rollandi Bernardi, 1860.
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C. signifer Crosse, 1865.
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C. tasmaniae Sowerby ii, 1866.
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C. ustulatus Reeve, 1844.
Subspecies:
- C. decurtata Dautzenberg, 1910.