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 Stomiati see Infracohort Stomiati
                     Order Osmeriformes Regan, 1913 - freshwater smelts
                       1 Suborder Osmeroidei Weitzman, 1967
                       2 Suborder Retropinnoidei [monotypic]