[Phylum] Chordata Bateson, 1885 - chordates
   Subphylum Craniata auct.
     Infraphylum Vertebrata Lamarck, 1801 - vertebrates
       Superclass Gnathostomata Gegenbaur, 1874 - jawed vertebrates
         Class Osteichthyes Huxley, 1880 - bony fishes and tetrapods see Clade Osteichthyes Huxley 1880 [Moore & Near 2020]
           Subclass Actinopterygii Woodward, 1891 - ray-finned fishes see Class Actinopterygii Woodward, 1891
             Infraclass Actinopteri Cope, 1871 see Class Actinopteri Cope, 1871
               Superdivision Neopterygii Regan, 1923 see Subclass Neopterygii Regan, 1923
                 Order †Perleidiformes Berg, 1937
                   01 Family †Platysiagidae Brough, 1939
                   02 Family †Fuyuanperleididae Sun, Lombardo, Tintori, Jiang, Hao, Sun & Lin, 2012
                   03 Family †Colobodontidae Andersson, 1916
                   04 Family †Cleithrolepididae Wade, 1935, nom. praeval.
                   05 Family †Gabanelliidae Tintori & Lombardo, 1996
                   06 Family †Perleididae Brough, 1931
                   07 Family †Hydropessidae Hutchinson, 1973
                   08 Family †Pseudobeaconiidae López-Arbarello & Zavattieri, 2008
                   09 Family †Eosemionotidae Bürgin, Eichenberger, Furrer & Tschanz, 1991
                   10 Family †Cephaloxenidae Brough, 1939