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 †Placodermiomorphi [monotypic]
               Class †Placodermi McCoy, 1848
                 Order †Antiarchiformes Grande & Eastman, 1986 - antiarchs see [unranked] Antiarchi Cope, 1885
                   Suborder †Bothriolepoidei see Suborder Bothriolepidoidei Cope, 1886
                     Infraorder †Euantiarcha Janvier & Pan, 1982
                       1 Family †Microbrachiidae Stensiö, 1931
                       2 Family †Bothriolepidae Cope, 1886, nom. illeg. see Family Bothriolepididae Cope, 1886
                       3 Family †Gerdalepidae Stensiö, 1948 see Family Gerdalepididae Stensiö, 1948
                       4.1 Genus †Stegolepis Malinovskaya, 1973, incertae sedis
                       4.2 Family †Asterolepidae Traquair, 1888 see Family Asterolepididae Traquair, 1888 (1856), nom. praeval.