Full reference: A. Kroh and A. B. Smith. 2010. The phylogeny and classification of post-Palaeozoic echinoids. Journal of Systematic Palaeontology 8(2):147-212
Parent taxon: Camarodonta according to A. Kroh and A. B. Smith 2010
Sister taxa: Echinidea, Parasaleniidae, Temnopleuridea
Subtaxa: Echinometridae Strongylocentrotidae Toxopneustidae
Ecology: epifaunal grazer-deposit feeder
Distribution:
• Quaternary of Barbados (1 collection), Belize (1), Canada (2: British Columbia, New Brunswick), Egypt (3), Eritrea (1), France (1), French Polynesia (1), Greenland (16), Iceland (2), Jamaica (1), Mauritius (1), Mexico (5), Saudi Arabia (2), United States (29: Alaska, California, Florida, Hawaii, Massachusetts, Oregon, South Carolina), Vanuatu (1)
• Pliocene to Pleistocene of Egypt (1)
• Pliocene of Belgium (1), the Dominican Republic (1), Egypt (1), Fiji (3), Japan (6), Mexico (1), United States (9: California, Florida)
• Miocene to Pliocene of Japan (1), the Netherlands Antilles (1)
• Miocene of Algeria (4), Cuba (1), Egypt (1), Fiji (1), Jamaica (1), Japan (1), Morocco (1), New Caledonia (1), Northern Mariana Islands (2), United States (6: California)
• Oligocene of United States (3: California, Oregon, Texas)
• Eocene of Japan (1)
• Cretaceous of Jamaica (1)
Total: 116 collections including 130 occurrences