Lyncina carneola (Linnaeus, 1758) [Cypraea]

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The above specimen was identified by Ron Silver at the facebook group ID-Please (Marine Creature Identification).
Within the family Cypraeidae are according to WoRMS 5 subfamilies with 49 genera and hundreds of species, I don't know how to distinguish them!
How to cite:
Köhler, E. (2016), published 24 December 2016, Lyncina carneola (Linnaeus, 1758)
available from https://www.Philippine-Sea-Slugs.com/Look-alike/Cypraeidae/Lyncina_carneola/Lyncina_carneola.htm