Other species referred to the genus are C. carolinum (d 'Orbigny), C. papale (d 'Orbigny),...
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Other species referred to the genus are C. carolinum (d 'Orbigny), C. papale (d 'Orbigny), C. canthus (Sornay) and C. turoniense (Sornay). 1841 is a senior synonym Of A. vielbancii