It must be differenciated from C. ambiguus, which is not present in the Cape verde Islands, but in West Africa. This is one of only three non-endemic species of Conus in Cape Verde.
- Rolán E., 2005. Malacological Fauna From The Cape Verde Archipelago. Part 1, Polyplacophora and Gastropoda. http://www.marinespecies.org/aphia.php?p=sourcedetails&id=7027
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