Fishes
Selachii
Elasmobranchiate fishes
Elasmobranchii
Elasmobranch fishes
Selachians
Elasmobranchiomorphi
Chondrichthyan fishes
Elasmobranchs
Selachian fishes
Selachimorpha
Elasmobranchi
Cartilaginous fishes
Chondrichthyans
Plagiostomi
Chondrichthyes