Class Actinopterygii Woodward, 1891 - ray-finned fishes see Clade Actinopterygii Woodward 1891 [Moore & Near 2020]
   Subclass Neopterygii Regan, 1923
     Infraclass Teleostei Müller, 1845 see Division Teleostei Müller, 1845
       Supercohort Teleocephala de Pinna, 1996 - crown-group Teleostei
         Clupeocephala Patterson & Rosen, 1977 see Cohort Clupeocephala Patterson & Rosen, 1977
           Cohort Euteleosteomorpha Greenwood et al., 1966 see Subcohort Euteleosteomorpha Greenwood et al., 1966
             Subcohort Neoteleostei Nelson, 1969 see Infracohort Neoteleostei Nelson, 1969
               Infracohort Eurypterygia Rosen, 1973 see Supersection Eurypterygia Rosen, 1973
                 Section Ctenosquamata Rosen, 1973
                   Subsection Acanthomorphata Rosen, 1973
                     Euacanthomorpha Johnson & Patterson, 1993
                       Holacanthopterygii Johnson & Patterson, 1993
                         Acanthopterygii Rosen & Patterson, 1969 see Division Acanthopterygii Rosen & Patterson, 1969
                           Euacanthopterygii
                             Division Percomorphacea Wiley & Johnson, 2010 see Subdivision Percomorphaceae
                               Order Cottiformes see Suborder Cottoidei Berg, 1940
                                 Suborder Cottoidei Berg, 1940
                                   Superfamily Cottoidea Bonaparte, 1831 see Infraorder Cottales
                                     01 Family Rhamphocottidae Jordan & Gilbert, 1883 - horsehead sculpins
                                     02 Family Ereuniidae see Family Rhamphocottidae Jordan & Gilbert, 1883
                                     03 Family Cottidae Bonaparte, 1831 - sculpins
                                     04 Family Hemitripteridae see Subfamily Hemitripterinae Gill, 1865
                                     05 Family Agonidae Swainson, 1839 - poachers
                                     06 Family Psychrolutidae Günther, 1861 - marine sculpins
                                     07 Family Abyssocottidae see Subfamily Abyssocottinae
                                     08 Family Comephoridae Bonaparte, 1850 - Baikal oilfishes see Family Cottidae Bonaparte, 1831
                                     09 Family Cyclopteridae Bonaparte, 1831 - lumpfishes
                                     10 Family Liparididae nom. van. see Family Liparidae Gill, 1861, nom. cons.
                                     11 ?Family Normanichthyidae Clark, 1937 - barehead scorpionfishes
                                     12 ?Family Bathylutichthyidae - Antarctic sculpins see Family Psychrolutidae Günther, 1861