vertebrates Lamarck, 1801 - vertebrates see Infraphylum Vertebrata Lamarck, 1801 Class †Pteraspidomorphi Goodrich, 1909 see Class Pteraspidomorpha Subclass †Heterostraci Lankester, 1868 Order †Corvaspidiformes Stensiö, 1964 Family †Corvaspididae Dineley, 1955, nom. praeval. Genus †Corvaspis Woodward, 1934 †Corvaspis kingiᵀ Woodward, 1934