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 †Redlichiida Richter, 1932 Suborder †Olenellina Walcott, 1890 [paraphyletic] Superfamily †Olenelloidea Walcott, 1890 Family †Holmiidae Hupé, 1953