Kingdom Animalia Linnaeus, 1758 - animals Phylum Hemichordata Bateson, 1885 - hemichordates Class †Graptolithina Bronn, 1849 Order †Graptoloidea Lapworth, 1875 Genus †Orthograptus Lapworth, 1873 †Orthograptus truncatus †Orthograptus truncatus intermedius (Elles)