vertebrates Lamarck, 1801 - vertebrates see Infraphylum Vertebrata Lamarck, 1801 Class †Pteraspidomorphi Goodrich, 1909 see Class Pteraspidomorpha Subclass †Heterostraci Lankester, 1868 Order †Pteraspidiformes Berg, 1940 Suborder †Pteraspidoidei Berg, 1940 Family †Protaspididae Bryant, 1933 1 Genus †Europrotaspis White, 1961