[Neoselachii] Compagno, 1977 - modern sharks and rays see Cohort Neoselachii Compagno, 1977
   Order Squaliformes Compagno, 1973 - dogfish sharks
     1 Family Echinorhinidae Gill, 1862 [monotypic] - bramble sharks
     2 Family Squalidae Blainville, 1816 - dogfish sharks
     3 Family Oxynotidae Gill, 1872 [monotypic] - rough sharks