Phylum Chordata Bateson, 1885 - chordates Subphylum Vertebrata Cuvier, 1812 - vertebrates Class Chondrichthyes Huxley, 1880 - cartilaginous fishes Order Squaliformes Compagno, 1973 - dogfish sharks Family Centrophoridae Bleeker, 1859 - gulper sharks Genus Centrophorus Müller & Henle, 1837 - gulper sharks Genus Deania Jordan & Snyder, 1902 - longnose dogfish