†Pygurus (Pygurus) Agassiz 1839 (sea urchin)
Echinoidea - Irregularia - Clypeidae
Parent taxon: Pygurus according to A. P. Larrain and L. Biró-Bagóczky 1985
See also Kier 1962 and Kier 1966
Sister taxa: Pygurus (Mepygurus), Pygurus (Pyguropsis), Pygurus africanus, Pygurus asiaticus, Pygurus complanatus
Subtaxa: Pygurus (Pygurus) andinus Pygurus (Pygurus) lampas Pygurus (Pygurus) montmollini Pygurus (Pygurus) subproductus Pygurus (Pygurus) yamamaensis
Ecology: epifaunal grazer-deposit feeder
Distribution:
• Cretaceous of Egypt (3 collections), France (3), Portugal (1), Saudi Arabia (4), Switzerland (2), the United Arab Emirates (1)
• Jurassic of Chile (1)
Total: 15 collections each including a single occurrence