fossil marine animal genera Linnaeus, 1758 - animals Phylum Chordata Bateson, 1885 - chordates Chordata Bateson, 1885 - chordates see Phylum Chordata Bateson, 1885 Class †Pteraspidomorphi Goodrich, 1909 Order †Pteraspidomorphes see Subclass Heterostraci Lankester, 1868