Tripneustes is a genus of sea urchins belonging to the family Toxopneustidae.
[1] The genus contains four extant species:[1] This genus contains many extinct species, such as: [2][3] These sea urchins have been recorded as fossils from Miocene to Recent (from 15.97 to 0.0 Ma).
Fossils have been found in the sediments of Southern Europe, Mediterranean and North Africa, Caribbean, Western coast of America and throughout the Indo-Pacific.
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