Echinodermata Klein, 1734
Abaciidae
Acrolusiidae Mintz, 1968
Albertechinus Stearn, 1956
Aliaster Valdinucci, 1974
Allaster Nisiyama, 1968
Amblypgus
Anorthopygidae Wagner & Durham, 1966b
Aptilechinus Kier, 1973
Arbacioida Gregory, 1900
Arcaechinus Kier, 1957
Archiaciidae Cotteau & Triger, 1869
Aspidodiadematoida Kroh & Smith, 2010
Asterocidaris Cotteau, 1859
Atactus Pomel, 1883
Atlasaster Lambert, 1931
Aulechinus Bather & Spencer, 1934
Bandelicyphus Geys, 1992
Besairecidaris
Bothriocidaridae Klem, 1904
Bramus Gregorio, 1930
Bromidechinus Smith & Savill, 2002
Callaudicidaris Vadet, 1991
Camarodonta Jackson, 1912
Cassiduloida Claus, 1880
Catopygids
Cavanechinus Brown, 1967
Cenofibula Gasser, 1994
Cidaroida Claus, 1880
Circopeltis Pomel, 1883
Cluniaster Jeannet, 1933
Clypeasteroida A. Agassiz, 1872
Clypeolampadidae Kier, 1962
Coenholectypidae Smith & Wright, 1999
Collyritidae d'Orbigny, 1853
Collyropsis Gauthier, 1896
Cotteaudia Lambert, 1910
Cravenechinus Hawkins, 1946
Crinocidaris Gregorio, 1930
Deneechinus Jackson, 1929
Desorellidae Lambert, 1911a
Desoricidaris Geys, 1992
Devonocidaris Thomas, 1920
Devriesia Mintz, 1967
Diadematoida Duncan, 1889
Dickesicidaris Vadet, 1988
Dictyaster Stefanini, 1908
Diplopodiidae Smith & Wright, 1993
Diplosalenia Mortensen, 1942
Disasteridae Gras, 1848
Discoididae Lambert, 1900
Dixieus Cooke, 1948
Dixonia Wagner & Durham, 1964
Dubarechinus Lambert, 1937
Echinadesma Phelan, 1972
Echinocrinus Volborth, 1842
Echinocystitidae
Echinodiadema Cotteau, 1869
Echinolampadoida Kroh & Smith, 2010
Echinonanthus Seba, 1734
Echinoneoida H. L. Clark, 1925
Echinothurioida Claus, 1880
Ectinechinus MacBride & Spencer, 1938
Emiratiidae Ali, 1990
Eodiadematidae
Eoglyptocidaris Nisiyama, 1966
Eothuria MacBride & Spencer, 1938
Eupholidocidaris Kier, 1956
Firmacidaris Lambert, 1937
Fournierechinus Jackson, 1929
Gagaria Duncan, 1889
Galeroclypeus Cotteau, 1873
Galeropygidae Lambert, 1911a
Gauthiosoma Kutscher, 1985
Girardema Vadet, 1993
Gitolampadids
Globatoridae
Globoholectypus Aziz, 1991
Glyphopneustidae Smith & Wright, 1993
Glypotocidaris
Glyptechinus Loriol, 1873
Glyptocyphus Pomel, 1883
Gomphechinus Pomel, 1883
Gotlandechinus Regnéll, 1956
Graphepleurus Clark, 1945
Grasia Michelin, 1854
Guittonicidaris Vadet, 1991
Hattopsis Ali, 1992
Hemicidaridae Wright, 1857
Hemicidaroidae
Hemithylus Arnaud, 1896
Hemitiaris Pomel, 1883
Heterocidaridae
Heterocidaris Hall, 1861
Heterodiadematidae Smith & Wright, 1993
Himalayechinus Mu & Wu, 1976
Holasteroida Durham & Melville, 1957
Holectypidae
Holectypoidae Lambert, 1900
Hyattechinidae
Hyboclypids
Hypechinus Desor, 1856
Hypodiadema Desor, 1855
Infraclypeus Gauthier, 1875
Integraster Lambert & Thiéry, 1924
Jacquiertia Mercier, 1937
Jeannetia Mercier, 1937
Kieria Mihaly, 1985
Kongielechinus Jesionek-Szymanska, 1979
Koninckocidaris Dollo & Buisseret, 1888
Lanternarius Regnéll, 1956
Ledidocidaris
Leiocyphus Cotteau, 1866
Leioechinus Kier, 1972
Leisoma Péron, 1883
Lenicyamidea Brunnschweiler, 1962
Lenticidaridae Smith, 1994
Lepidechinoides Olsson, 1912
Lepidechinus Hall, 1861
Lepidesthidae
Lepidocentridae Lovén, 1874
Lepidocyamus Mironov & Sagaidachny, 1984
Lepidopleurus Duncan & Sladen, 1885
Leptechinus Gauthier, 1889
Leptechinus Tornquist, 1897
Maccoya Pomel, 1883
Magnosiopsis Zitt, 1986
Malwaster Chiplonkar & Badve, 1974
Martinechinus Jeannet & Martin, 1937
Mattsechinus Collignon & Lambert, 1928
Medocechinus Jeannet, 1935
Meekechinus Jackson, 1912
Melonitidae
Menopygidae Lambert, 1911
Metholectypus Hawkins, 1923
Microdiadema Cotteau, 1863
Microlampas Cotteau, 1888
Micropsidia Pomel, 1869
Micropsis Cotteau, 1856
Micropygoida Kroh & Smith, 2010
Mirechinus Nisiyama, 1966
Myriastiches Sollas, 1899
Nannoglyphus Nestler, 1978
Neoglobator Endel'man, 1980
Noetlingaster Vredenburg, 1911
Noetlingiaster Vredenburg, 1911
Nortonechinus Thomas, 1920
Oopneustes Nisiyama, 1968
Orthopsidae Duncan, 1889
Oustechnius
Ovulechinus Lambert, 1920
Palaechinidae
Panniericidaris Vadet, 1991
Paramicraster Maczynska, 1968
Parastomechinus Philip, 1963
Pedinoida Mortensen, 1939
Pedinopsis Cotteau, 1863
Pelanechinidae Groom, 1887
Perischocidaris Neumayr, 1881
Perischodomus M'Coy, 1849
Petalaster Cotteau, 1885
Philicidaris Vadet, 1991
Phymosomatidae Pomel, 1883
Pleiechinus
Pleraster Quenstedt, 1874
Plesiechinus Pomel, 1883
Plesiocidaris Pomel, 1883
Plesiosalenia Valette, 1906
Plistophyma Péron & Gauthier, in Cotteau, Péron & Gauthier, 1881
Polyaster Michelin, 1859
Polydiaematidae Hess, 1972
Polyplacida
Polyplacidia Poretskaya, 1968
Polytaxicidaris Kier, 1958
Porechinus Dehm, 1961
Praepholidocidaris Frest & Strimple, 1977
Proacrolusia Poretzkaya, 1974
Progonechinus Duncan & Sladen, 1882
Pronechinus Kier, 1965
Proterocidaris Koninck, 1882
Protocidaris de Gregorio, 1930
Protolampas Lambert, 1918
Psephechinus Pomel, 1883
Pseudarbacia Lambert, 1897
Pseudarbacina Fourtau, 1920
Pseudodiadematidae Pomel, 1883
Pseudodicoptella Jeannet, 1935
Pycnaster Pomel, 1883
Pygasteridae Lambert, 1900
Pygaulidae Lambert, 1905
Pygorhytidae Lambert, 1909b
Pygurids
Radiolus
Rhenechinus Dehm, 1953
Romanocidaris Vadet, 1991
Rosadosoma Santos, 1960
Rotulechinus Lambert & Thiéry, 1914
Salenioida Delage & Hérouard, 1903
Scaptodiadema Loriol, 1891
Silurocidaris Regnéll, 1956
Sinaiopsis Smith, Simmons & Racey, 1990
Smithicidaris Vadet, 1991
Spaniocyphus Pomel, 1883
Spatangoida Claus, 1876
Sphaeropleurus Markov & Endelman, 1991
Sphaerotiaris
Stomopneustoida Kroh & Smith, 2010
Stomopneutes
Temnaster Lambert, 1912
Tetraramania
Tiarechinidae Gregory, 1897
Tithoniidae Mintz, 1968
Tornquistellus Berg, 1899
Trachiaster Cotteau, 1886
Trochoechinus Loriol, 1909
Trochotiara Lambert, 1901
Tuberculocidaris Markov, 1989
Vernius de Gregorio, 1930
Viaudechinus Roman, 1983
Winkleria Engel, 1964
Wrighthia Pomel, 1869
Wrightia Pomel, 1883
Xenechinus Kier, 1958
Xysteria
Zeugopleurus