[Arthropoda] Siebold, 1848 - arthropods see Phylum Arthropoda Siebold, 1848 Arachnomorpha Heider, 1913 †Trilobitomorpha Størmer, 1944 see Superclass Trilobitomorpha Størmer, 1944 †Trilobita Walch, 1771 - trilobites see Class Trilobita Walch, 1771 Genus †Olenoides Meek, 1877