fossil marine animal genera Linnaeus, 1758 - animals Phylum Chordata Bateson, 1885 - chordates Chordata Bateson, 1885 - chordates see Phylum Chordata Bateson, 1885 Class Chondrichthyes Huxley, 1880 - cartilaginous fishes Order Pristiophoriformes Compagno, 1973 - saw sharks