living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Eukaryotae see Domain Eukaryota Chatton, 1925
     Kingdom Animalia Linnaeus, 1758 - animals
       Subkingdom Eumetazoa Butschli, 1910 see [unranked] Eumetazoa Bütschli, 1910
         Phylum Chordata Bateson, 1885 - chordates
           Subphylum Vertebrata Cuvier, 1812 - vertebrates
             Class Osteichthyes Huxley, 1880 - bony fishes see [unranked] Euteleostomi
               Subclass Actinopterygii Woodward, 1891 - ray-finned fishes see Class Actinopterygii Woodward, 1891
                 Order Atheriniformes Rosen, 1964 - silversides
                   Suborder Cyprinodontoidei
                     1 Family Oryziatidae see Subfamily Oryziinae Rosen, 1964
                     2 Family Adrianichthyidae Weber, 1913
                     3 Family Horaichthyidae C.V. Kulkarni, 1940 see Subfamily Horaichthyinae (C.V. Kulkarni, 1940)
                     4 Family Cyprinodontidae Gill, 1865 - pupfishes
                     5 Family Goodeidae Jordan, 1923 - goodeids
                     6 Family Anablepidae Garman, 1895 - four-eyed fish
                     7 Family Jenynsiidae Günther, 1866 see Subfamily Jenynsiinae Günther, 1866
                     8 Family Poeciliidae Garman, 1895 - live-bearers