[Neoselachii] Compagno, 1977 - modern sharks and rays see Infraclass Elasmobranchii Bonaparte, 1838
   Order Squaliformes Compagno, 1973 - dogfish sharks
     Family Squalidae Blainville, 1816 - dogfish sharks
       01 Genus Aculeola de Buen, 1959 [monotypic]
       02 Genus Centrophorus Müller & Henle, 1837 - gulper sharks
       03 Genus Centroscyllium Müller & Henle, 1841 - black dogfishes
       04 Genus Centroscymnus Barbosa du Bocage & de Brito Capello, 1864 - velvet dogfishes
       05 Genus Cirrhigaleus Tanaka, 1912 [monotypic]
       06 Genus Dalatias Rafinesque, 1810 [monotypic]
       07 Genus Deania Jordan & Snyder, 1902 - longnose dogfish
       08 Genus Etmopterus Rafinesque, 1810 - lanternsharks
       09 Genus Euprotomicroides Hulley & Penrith, 1966 [monotypic]
       10 Genus Euprotomicrus Gill, 1865 [monotypic]
       11 Genus Heteroscymnoides Fowler, 1934 [monotypic]
       12 Genus Isistius Gill, 1865
       13 Genus Scymnodalatias Garrick, 1956 [monotypic]
       14 Genus Scymnodon Barbosa du Bocage & de Brito Capello, 1864 - velvet dogfishes
       15 Genus Somniosus Lesueur, 1818
       16 Genus Squaliolus Smith & Radcliffe, 1912 [monotypic]
       17 Genus Squalus Linnaeus, 1758 - spiny dogfishes