Phylum Chordata Bateson, 1885 - chordates Subphylum Vertebrata Cuvier, 1812 - vertebrates Class Chondrichthyes Huxley, 1880 - cartilaginous fishes Order Carcharhiniformes Compagno, 1973 - ground sharks Family Scyliorhinidae Gill, 1862 - cat sharks Genus Galeus Rafinesque, 1810 Galeus atlanticus Vaillant, 1888 Galeus melastomus Rafinesque, 1810 - blackmouth catshark Galeus murinus (Collett, 1904) - mouse catshark