Phylum Chordata Bateson, 1885 - chordates Subphylum Vertebrata Cuvier, 1812 - vertebrates see Infraphylum Vertebrata Lamarck, 1801 Class Chondrichthyes Huxley, 1880 - cartilaginous fishes Order Squaliformes Compagno, 1973 - dogfish sharks Family Dalatiidae Gray, 1851 - kitefin sharks Genus Scymnodon Barbosa du Bocage & de Brito Capello, 1864 - velvet dogfishes Scymnodon obscurus (Vaillant, 1888) - smallmouth velvet dogfish