Classification of Wagner and Durham 1966
Cl. Echinoidea Leske 1778 [sea urchin]
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Invalid names: Conoclypeus Davies [nomen nudum]
Subcl. Euechinoidea Bronn 1860
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G. †Desorella Cotteau 1855
G. †Galeroclypeus
G. †Infraclypeus
G. †Loriolella
G. †Menopygus Pomel 1883