[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
                 Superdivision Teleosteomorpha Arratia, 2001 see Infraclass Teleosteomorpha Arratia, 2001
                   Division Teleostei Müller, 1845
                     Order †Pholidophoriformes
                       01 Family †Ligulellidae Saint-Seine, 1955
                       02 Family †Siyuichthyidae Su, 1980
                       03 Family †Eurycormidae Arratia, 2017
                       04 Family †Pholidophoridae Wagner, 1860
                       05 Family †Archaeomaenidae Boulenger, 1904
                       06 Family †Protelopidae Saint-Seine, 1949
                       07 Family †Pleuropholidae Saint-Seine, 1949
                       08 Family †Galkiniidae Yakovlev, 1962
                       09 Family †Majokiidae Saint-Seine, 1955
                       10 Family †Oligopleuridae Woodward, 1895
                       11 Family †Catervariolidae Saint-Seine, 1955
                       12 Family †Ichthyokentemidae Griffith & Patterson, 1963
                       13 Family †Ankylophoridae Gaudant, 1978