vertebrates Lamarck, 1801 - vertebrates see Infraphylum Vertebrata Lamarck, 1801 †Pteraspidimorphi [paraphyletic] †Heterostraci Lankester, 1868, sedis mutabilis - heterostracans Genus †Cardipeltis Branson & Mehl, 1931 †Cardipeltis bryanti Denison, 1966, sedis mutabilis