Echinoidea Leske, 1778
Elliptechinus
Hyattechinus Jackson, 1912
Lepidocentrus Müller, 1856
Palaeodiscus Salter, 1857
Paleodiscus Agassiz, 1872
Pholidechinus Jackson, 1912
Pholidocidaris Meek & Worthen, 1869
