"Centroscymnus owstoni" . "Centroscymnus" . . . "Centroscymnus owstoni Garman 1906" . . "Garman 1906" . "Chondrichthyes" . . "Deepwater Dogfish" . "Somniosidae" . . . "Squaliformes" . "Animalia" . . . . "Chordata" . . . . . . .