Infraphylum [Gnathostomata] Gegenbaur, 1874 - jawed vertebrates see Superclass Gnathostomata Gegenbaur, 1874
   Megaclass Osteichthyes Huxley, 1880 see Clade Osteichthyes Huxley 1880 [Moore & Near 2020]
     Superclass Actinopterygii Woodward, 1891 see Clade Actinopterygii Woodward 1891 [Moore & Near 2020]
       Class Actinopteri Cope, 1871
         Subclass Neopterygii Regan, 1923
           Infraclass Teleostei Müller, 1845 see Division Teleostei Müller, 1845
             Megacohort Osteoglossocephalai
               Supercohort Clupeocephala Patterson & Rosen, 1977 see Cohort Clupeocephala Patterson & Rosen, 1977
                 Cohort Euteleosteomorpha Greenwood et al., 1966 see Subcohort Euteleosteomorpha Greenwood et al., 1966
                   Subcohort Protacanthopterygii Greenwood et al., 1966, sedis mutabilis see Infracohort Protacanthopterygii Greenwood et al., 1966
                     1 Order Argentiniformes Johnson & Patterson, 1996 - marine smelts
                     2.1 Order Galaxiiformes Berg, 1940 [monotypic] - galaxiiforms
                     2.2.1 Order Salmoniformes Bleeker, 1859 [monotypic] - trout, salmon, and whitefish
                     2.2.2 Order Esociformes Bleeker, 1859 - pikes and mudminnows see Suborder Esocoidei Regan, 1909