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 Perciformes Rafinesque, 1810 - perches
                   Suborder Blennioidei Rafinesque, 1810 see Order Blenniiformes Rafinesque, 1810
                     01 Family Xenocephalidae see Family Uranoscopidae Jordan & Evermann, 1898
                     02 Family Congrogadidae see Subfamily Congrogadinae
                     03 Family Notograptidae
                     04 Family Peronedysidae see Tribe Ophiclinini
                     05 Family Ophiclinidae see Tribe Ophiclinini
                     06 Family Tripterygiidae - threefin blennies
                     07 Family Clinidae Regan, 1912 - clinids and klipfishes
                     08 Family Blenniidae Rafinesque, 1815 - combtooth blennies
                     09 Family Stichaeidae - pricklebacks
                     10 Family Cryptacanthodidae - wrymouths
                     11 Family Pholididae
                     12 Family Anarhichatidae see Family Anarhichadidae
                     13 Family Ptilichthyidae - quillfishes
                     14 Family Zaproridae Jordan, 1896 - prowfishes
                     15 Family Scytalinidae - graveldivers