Kingdom Animalia Linnaeus, 1758 - animals
   Phylum Craniata Linnaeus, 1758 see Subphylum Vertebrata Cuvier, 1812
     Pisces
       Class Actinopterygii Woodward, 1891 - ray-finned fishes
         Order Gadiformes Rafinesque, 1810 - cods
           01 Family Muraenolepididae - eel cods
           02 Family Bregmacerotidae - codlets
           03 Family Euclichthyidae Cohen, 1984 - eucla cods
           04 Family Macrouridae Jordan & Evermann, 1898 - grenadiers
           05 Family Moridae Goode & Bean, 1896 - deepsea cods
           06 Family Melanonidae - pelagic cods
           07 Family Gadidae Rafinesque, 1815 - cods and haddocks
           08 Family Lotidae (Bonaparte, 1842) - hakes and burbots
           09 Family Phycidae - phycid hakes
           10 Family Merlucciidae Rafinesque, 1815 - merluccid hakes