Echinoidea Leske, 1778
Ancylocidaris Miller, 1929
Diadematidae Gray, 1855
Endeodiadema Loriol, 1890
Engelia Tornquist, 1908
Eosalenia Lambert, 1905
Farquharsonia Currie, 1928
Helodiadema Mortensen, 1939
Heteropedina Michalet, 1895
Lissodiadematidae
Macrodiadema Lambert, 1898
Palaeodiadema Pomel, 1887
Pedinothuria Gregory, 1897
Tiaridia Pomel, 1883