Superphylum Deuterostomia Grobben, 1908 - deuterostomes see Infrakingdom Deuterostomia Grobben, 1908
   Phylum Chordata Bateson, 1885 - chordates
     Subphylum Craniata auct.
       Infraphylum Vertebrata Lamarck, 1801 - vertebrates
         Superclass Gnathostomata Gegenbaur, 1874 - jawed vertebrates
           Eugnathostomata
             Grade Chondrichthyomorphi [monotypic]
               Class Chondrichthyes Huxley, 1880 - cartilaginous fishes
                 Subclass Euselachii Hay, 1902 - sharks, rays, and related fossils
                   Infraclass Elasmobranchii Bonaparte, 1838
                     Division Selachii - sharks
                       Superorder Galeomorphi Compagno, 1973
                         Order Lamniformes Berg, 1958 - mackerel sharks
                           01 Genus †Cretodus Sokolov, 1965, incertae sedis
                           02 Genus †Dwardius Siverson, 1999, incertae sedis
                           03 Genus †Eostriatolamia Glickman, 1979, incertae sedis
                           04 Genus †Palaeocarcharias Beaumont, 1960, incertae sedis
                           05 Genus †Palaeocarcharodon Casier, 1960, incertae sedis
                           06 Genus †Paranomotodon Herman, 1975, incertae sedis
                           07 Genus †Priscusurus Kriwet, 2006, incertae sedis
                           08 Genus †Trigonotodus Kozlov, 1999, incertae sedis
                           09 Family †Otodontidae Glickman, 1964
                           10 Family †Xiphodolamiidae Glickman, 1964
                           11 Family †Cardabiodontidae Siverson, 1999
                           12 Family †Cretoxyrhinidae Glickman, 1958
                           13 Family †Archaeolamnidae Underwood & Cumbaa, 2010
                           14 Family †Pseudoscapanorhynchidae Herman, 1979
                           15 Family †Anacoracidae Casier, 1947
                           16 Family †Pseudocoracidae Cappetta, 2012
                           17 Family Mitsukurinidae Jordan, 1898 - goblin sharks
                           18 Family Odontaspididae Müller & Henle, 1839 - sand tiger sharks
                           19 Family Pseudocarchariidae Taylor, Compagno & Struhsaker, 1983 - crocodile sharks
                           20 Family Alopiidae Bonaparte, 1835 - thresher sharks
                           21 Family Megachasmidae Taylor, Compagno & Struhsaker, 1983 - megamouth sharks
                           22 Family Cetorhinidae Gill, 1861 - basking sharks
                           23 Family Lamnidae Bonaparte, 1835 - mackerel sharks