[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Pisces
     Class Chondrichthyes Huxley, 1880 - cartilaginous fishes
       Order Squaliformes Compagno, 1973 - dogfish sharks
         Family Dalatiidae Gray, 1851 - kitefin sharks
           1 Genus Centroscyllium Müller & Henle, 1841 - black dogfishes
           2 Genus Etmopterus Rafinesque, 1810 - lanternsharks
           3 Genus Centroscymnus Bocage & Capello, 1864 - velvet dogfishes
           4 Genus Scymnodalatias Garrick, 1956
           5 Genus Scymnodon Bocage & Capello, 1864 - velvet dogfishes
           6 Genus Somniosus Lesueur, 1818
           7 Genus Oxynotus Rafinesque, 1810
           8 Genus Dalatias Rafinesque, 1810
           9 Genus Squaliolus Smith & Radcliffe, 1912