Phylum Chordata Bateson, 1885 - chordates Subphylum Vertebrata Cuvier, 1812 - vertebrates Class Chondrichthyes Huxley, 1880 - cartilaginous fishes Order Squaliformes Compagno, 1973 - dogfish sharks Family Dalatiidae Gray, 1851 - kitefin sharks Genus Scymnodon Bocage & Capello, 1864 - velvet dogfishes Scymnodon obscurus (Vaillant, 1888) - smallmouth velvet dogfish