Subclass Elasmobranchii Bonaparte, 1838 - shark-like fishes
   Cohort Euselachii Hay, 1902 - spined sharks and relatives see Infraclass Euselachii Hay, 1902
     Subcohort Neoselachii Compagno, 1977 - modern sharks and rays see Cohort Neoselachii Compagno, 1977
       Order Lamniformes Berg, 1958 - mackerel sharks
         1 Family Odontaspididae Müller & Henle, 1839 - sand tiger sharks
         2 Family Pseudocarchariidae Taylor, Compagno & Struhsaker, 1983 - crocodile sharks
         3 Family Mitsukurinidae Jordan, 1898 - goblin sharks
         4 Family Alopiidae Bonaparte, 1835 - thresher sharks
         5 Family Cetorhinidae Gill, 1861 - basking sharks
         6 Family Lamnidae Bonaparte, 1835 - mackerel sharks