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 Teleostomi Bonaparte, 1836 see Clade Pan-Osteichthyes Rowe 2004 [Moore & Near 2020]
               Euteleostomi - bony vertebrates see Clade Osteichthyes Huxley 1880 [Moore & Near 2020]
                 Class Actinopterygii Woodward, 1891 - ray-finned fishes see Clade Actinopterygii Woodward 1891 [Moore & Near 2020]
                   Subclass Neopterygii Regan, 1923
                     Division Teleostei Müller, 1845
                       Subdivision Osteoglossomorpha Greenwood et al., 1966 see Cohort Osteoglossomorpha Greenwood et al., 1966
                         Order †Ichthyodectiformes Bardack & Sprinkle, 1969 [monophyletic?]
                           1.1? Genus †Eubiodectes Hay, 1903
                           1.2? Genus †Thrissops Agassiz, 1833
                           1.3 Family †Allothrissopidae Patterson & Rosen, 1977, "nom. praeval."
                           2 Family †Occithrissopidae Taverne & Chanet, 2000, nom. inval. [monotypic] see Family Allothrissopidae Patterson & Rosen, 1977, "nom. praeval."
                           3 Family †Cladocyclidae Maisey, 1991
                           4 Family †Saurodontidae Bonaparte, 1846
                           5 Family †Ichthyodectidae Crook, 1892