Superphylum Deuterostomia Grobben, 1908 - deuterostomes see Infrakingdom Deuterostomia Grobben, 1908
   Phylum Chordata Bateson, 1885 - chordates
     Subphylum Craniata auct.
       Infraphylum Vertebrata Lamarck, 1801 - vertebrates
         Superclass †Thelodontomorphi Jaekel, 1911 [monotypic]
           Class †Thelodonti Jaekel, 1911
             Order †Thelodontiformes Kiaer, 1932
               01 Family †Turiniidae Obruchev, 1964
               02 Family †Coelolepidae Pander, 1856 see Family Coelolepididae "Pander, 1856", nom. illeg.
               03 Family †Katoporodidae Märss, Wilson & Thorsteinsson, 2002
               04 Family †Loganelliidae Karatajūtė-Talimaa, 1997, nom. nud.
               05 Family †Longodidae Märss, 2006
               06 Family †Helenolepididae Wilson & Märss, 2009
               07 Family †Phlebolepididae Berg, 1940, nom. praeval.
               08 Family †Shieliidae Märss, Wilson & Thorsteinsson, 2002
               09 Family †Eestilepididae Märss, Wilson & Thorsteinsson, 2002
               10 Family †Talivaliidae Märss, Wilson & Thorsteinsson, 2002