Superphylum Deuterostomia Grobben, 1908 - deuterostomes see Infrakingdom Deuterostomia Grobben, 1908
   Phylum Chordata Bateson, 1885 - chordates
     Subphylum Craniata auct.
       Vertebrata Lamarck, 1801 - vertebrates see Infraphylum Vertebrata Lamarck, 1801
         Myopterygii Janvier, 1978 - myopterygians
           Superclass Gnathostomata Gegenbaur, 1874 - jawed vertebrates
             Grade Teleostomi Bonaparte, 1836 see Clade Pan-Osteichthyes Rowe 2004 [Moore & Near 2020]
               Euteleostomi - bony vertebrates see Clade Osteichthyes Huxley 1880 [Moore & Near 2020]
                 Class Actinopterygii Woodward, 1891 - ray-finned fishes see Clade Actinopterygii Woodward 1891 [Moore & Near 2020]
                   Subclass Neopterygii Regan, 1923
                     Division Teleostei Müller, 1845
                       Elopocephala Arratia, 1999 see Supercohort Teleocephala de Pinna, 1996
                         Clupeocephala Patterson & Rosen, 1977 see Cohort Clupeocephala Patterson & Rosen, 1977
                           Subdivision Euteleostei Greenwood et al., 1966 [monophyletic?] see Cohort Euteleostei Greenwood et al., 1966
                             Neoteleostei Nelson, 1969 - neoteleosts see Infracohort Neoteleostei Nelson, 1969
                               Eurypterygii Rosen, 1973 - eurypterygians see Infracohort Eurypterygia Rosen, 1973
                                 Ctenosquamata - ctenosquamates see Section Ctenosquamata Rosen, 1973
                                   Acanthomorpha Rosen, 1973 - spiny-rayed fishes see Subsection Acanthomorphata Rosen, 1973
                                     Euacanthomorpha Johnson & Patterson, 1993
                                       Holacanthopterygii Johnson & Patterson, 1993
                                         Superorder Paracanthopterygii Greenwood, Rosen, Weitzman & Myers, 1966 [polyphyletic?] see Division Paracanthopterygii Greenwood, Rosen, Weitzman & Myers, 1966
                                           anacanthines [monophyletic?] - anacanthines see Order Gadiformes Goodrich, 1909
                                             Order Ophidiiformes Regan, 1912, sedis mutabilis - cusk-eels
                                               Suborder Bythitoidei
                                                 Family Bythitidae Gill, 1861 - viviparous brotulas
                                                   Subfamily Bythitinae Gill, 1861 see Family Bythitidae Gill, 1861
                                                     01 Genus Bellottia Giglioli, 1883
                                                     02 Genus Hephthocara Alcock, 1892
                                                     03 Genus Bythites Reinhardt, 1835
                                                     04 Genus Calamopteryx Böhlke & Cohen, 1966
                                                     05 Genus Cataetyx Günther, 1887
                                                     06 Genus Diplacanthopoma Günther, 1887
                                                     07 Genus Gerhardia Nielsen & Cohen, 2002, nom. illeg. see Genus Thermichthys Nielsen & Cohen, 2005
                                                     08 Genus Grammonus Gill, 1896
                                                     09 Genus Lucifuga Poey, 1858
                                                     10 Genus Saccogaster Alcock, 1889
                                                     11 Genus Stygnobrotula Böhlke, 1957
                                                     12 Genus Tuamotuichthys Møller, Schwarzhans & Nielsen, 2004