Kingdom Animalia Linnaeus, 1758 - animals Phylum Arthropoda Siebold, 1848 - arthropods Subphylum †Trilobitomorpha Størmer, 1944 - trilobites see Superclass Trilobitomorpha Størmer, 1944 Class †Trilobita Walch, 1771 - trilobites Order †Corynexochida Kobayashi, 1935 Suborder †Leiostegiina Bradley, 1925 Family †Illaenuridae Vogdes, 1890