Kingdom [Animalia] Linnaeus, 1758 - animals Phylum Chordata Bateson, 1885 - chordates Subphylum Vertebrata Cuvier, 1812 - vertebrates Class Agnatha Cope, 1889 "Ostracoderms" Order †Heterostraci Lankester, 1868 - heterostracans see Subclass Heterostraci Lankester, 1868