[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
                 Division Ginglymodi Cope, 1871
                   Order †Semionotiformes Aramboug & Bertin, 1958
                     Family †Semionotidae Woodward, 1890, "nom. praeval."
                       1 Genus †Lepidotes Agassiz, 1832
                       2 Genus †Pleurolepis Quenstedt, 1852
                       3 Genus †Tetragonolepis Bronn, 1830
                       4 Genus †Semionotus Agassiz, 1832
                       5 Genus †Acentrophorus Traquair, 1877