Superphylum Deuterostomia Grobben, 1908 - deuterostomes see Infrakingdom Deuterostomia Grobben, 1908
   Phylum Chordata Bateson, 1885 - chordates
     Subphylum Craniata auct.
       Vertebrata Lamarck, 1801 - vertebrates see Infraphylum Vertebrata Lamarck, 1801
         Myopterygii Janvier, 1978 - myopterygians
           Superclass Gnathostomata Gegenbaur, 1874 - jawed vertebrates
             Grade Chondrichthiomorphi see Grade Chondrichthyomorphi
               Class Chondrichthyes Huxley, 1880 - cartilaginous fishes
                 1 ?Order †Mongolepidida Karatajute-Talimaa et al., 1990 see Order Mongolepidiformes
                 2 ?Family †Kannathalepididae Märss & Gagnier, 2001
                 3 ?Family †Wellingtonellidae Märss, Wilson & Thorsteinsson, 2002
                 4 ?Genus †Emsolepis Turner, 2004
                 5 ?Genus †Altholepis Karatajūtė-Talimaa, 1997
                 6 ?Genus †Seretolepis Karatajute-Talimaa, 1968
                 7 ?Genus †Polymerolepis Karatajūtė-Talimaa, 1968
                 8 [plesion] Genus †Pucapampella Janvier & Suarez-Riglos, 1986
                 9.1 Subclass Holocephali Bonaparte, 1832
                 9.2 Subclass Elasmobranchii Bonaparte, 1838 - shark-like fishes see Infraclass Elasmobranchii Bonaparte, 1838