"[Pisces]"
   Class Actinopterygii Woodward, 1891 - ray-finned fishes see Clade Actinopterygii Woodward 1891 [Moore & Near 2020]
     Order Scorpaeniformes Bloch, 1789 - mail-cheeked fishes see Order Perciformes Bleeker, 1859
       Suborder Dactylopteroidei Jordan, 1923
         1 Family Dactylopteridae Gill, 1861 - helmet gurnards
         1.1 Family Cephalacanthidae Berg, 1940 see Family Dactylopteridae Gill, 1861