[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Pisces
     Class Osteichthyes Huxley, 1880 - bony fishes and tetrapods see Clade Osteichthyes Huxley 1880 [Moore & Near 2020]
       Order Scorpaeniformes Bloch, 1789 - mail-cheeked fishes see Order Perciformes Bleeker, 1859
         Family Psychrolutidae Günther, 1861 - marine sculpins
           Genus Cottunculus Collett, 1875
             1 Cottunculus microps Collett, 1875 - polar sculpin
             2 Cottunculus sadko Essipov, 1937
             3 Cottunculus thomsonii (Günther, 1882) - pallid sculpin