Echinoidea Leske, 1778
Lovenechinus Jackson, 1912
Melonechinus Meek & Worthen, 1860
Melonites Norwood & Owen, 1846
Melonopsis Meek & Worthen, 1866
Oligoporus Meek & Worthen, 1861
Palaechinus M'Coy, 1862
Palaeechinus M'Coy, 1844
Palechinus Griffith, 1840
Palechtinus Fischer de Waldheim, 1848
Paloechinus M'Coy, 1862