Phylum Chordata Bateson, 1885 - chordates Count: - Subphylum Vertebrata Cuvier, 1812 - vertebrates Count: - Class Chondrichthyes Huxley, 1880 - cartilaginous fishes Count: - Order Lamniformes Berg, 1958 - mackerel sharks Count: - Family Lamnidae Bonaparte, 1835 - mackerel sharks Count: [*] 3g4s Genus Lamna Cuvier, 1816 Count: - Lamna nasus (Bonnaterre, 1788) - blue dog Count: -