Class Actinopterygii Woodward, 1891 - ray-finned fishes
   Subclass Neopterygii Regan, 1923
     Infraclass Teleostei Müller, 1845
       Supercohort Teleocephala de Pinna, 1996
         Clupeocephala
           Cohort Euteleosteomorpha (Greenwood et al., 1966)
             Subcohort Protacanthopterygii Greenwood et al., 1966
               1 Order Argentiniformes Johnson & Patterson, 1996 - marine smelts
               2 Order Salmoniformes Rafinesque, 1810 - trouts