Vertebrata Cuvier, 1812 - vertebrates see Infraphylum Vertebrata Lamarck, 1801
   Gnathostomata
     Teleostomi Bonaparte, 1836
       Class Osteichthyes Huxley, 1880 [paraphyletic] - 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 Neopterygii Regan, 1923 see Subclass Neopterygii Regan, 1923
             Division Teleostei Müller, 1845
               Subdivision Euteleostei Greenwood et al., 1966 see Cohort Euteleostei Greenwood et al., 1966
                 Superorder Acanthopterygii Rosen & Patterson, 1969 see Division Acanthopterygii Rosen & Patterson, 1969
                   Series Percomorpha see Division Percomorphacea Wiley & Johnson, 2010
                     Order Perciformes Bleeker, 1859 - perches
                       Suborder Anabantoidei - labyrinth fishes
                         1 Family Anabantidae Bonaparte, 1831 - climbing gouramies
                         2 Family Belontiidae - gouramies and allies see Family Osphronemidae van der Hoeven, 1832
                         3 Family Helostomidae see Family Helostomatidae Gill, 1872
                         4 Family Osphronemidae van der Hoeven, 1832 - gouramies