†Acrolepidae Aldinger, 1937
†Aeduellidae Romer, 1945
†Aesopichthyidae Poplin & Lund, 2000
†Amblypteridae Romer, 1945
†Andreolepididae Märss, 2001
†Asarotidae Schaeffer, 1968
†Atherstoniidae Gardiner, 1967
†Birgeriidae Aldinger, 1937
†Boreolepidae Aldinger, 1937
†Brazilichthyidae Cox & Hutchinson, 1991
†Canobiidae Aldinger, 1937
†Carbovelidae Romer, 1945
†Centrolepididae Gardiner, 1960
†Coccocephalichthyidae Fowler, 1951
†Coccolepidae Berg, 1940
†Commentryidae Gardiner, 1963
†Cornuboniscidae White, 1939
†Cosmolepididae Gardiner, 1967
†Cosmoptygiidae Gardiner, 1963
†Cryphiolepididae Moy-Thomas, 1939
†Dicellopygidae Romer, 1945
†Eigiliidae Kazantseva-Selezneva, 1977
†Elonichthyidae Aldinger, 1937
†Eurynotoididae Minikh & Minikh, 1990
†Gonatodidae Gardiner, 1967
†Gymnoniscidae Berg, 1936
†Gyrolepidotidae Gardiner, 1967
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†Haplolepidae Westoll, 1944
†Heterocercoidei Bleeker, 1859
†Holuridae Moy-Thomas, 1939
†Howqualepididae Long et al., 2008
†Irajapintoseidae Beltan, 1990
†Kentuckiidae Gardiner, 1993
†Lawniidae Gardiner, 1967
†Monesedeiphidae Beltan, 1990
†Moythomasiidae Kazantseva, 1971
†Osorioichthyidae Gardiner, 1967
†Oxygnathidae Berg, 1940
†Palaeoniscidae Bonaparte, 1846
†Paramblypteridae Blot, 1966
†Platysellidae Heyler & Poplin, 1983
†Pygopteridae Fitzinger, 1873
†Rhabdolepididae Gardiner, 1963
†Rhadinichthyidae Romer, 1945
†Sceletophoridae Štamberg, 2006
†Sphaerolepidae Fowler, 1951
†Stegotrachelidae Gardiner, 1963
†Strepheoschemidae Gardiner, 1985
†Thrissonotidae Berg, 1955
†Trissolepididae Frič, 1893
†Turseodidae Bock, 1959
†Urosthenidae Woodward, 1931
†Varialepididae Minikh}}, 1990
†Whiteichthyidae Kazantseva-Selezneva, 1977
†Willomorichthyidae Gardiner, 1969
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