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 Batrachoidiformes Berg, 1937 - toadfishes
                   Family Batrachoididae - toadfishes
                     1 Subfamily Batrachoidinae
                     2 Subfamily Porichthyinae
                     3 Subfamily Thalassophryninae
                     4 Genus Opsanus Rafinesque, 1818 - toadfish
                     5 Genus Batrachoides Lacepède, 1800
                     6 Genus Porichthys Girard, 1854 - singing fish
                     7 Genus Daector Jordan & Evermann, 1898