Kingdom Animalia Linnaeus, 1758 - animals Phylum Hemichordata Bateson, 1885 - hemichordates Class †Graptolithina Bronn, 1849 Order †Graptoloidea Lapworth, 1875 Genus †Oktavites Levina, 1928 †Oktavites spiralis (Geinitz, 1842) †Oktavites spiralis spiralisᵀ