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 †Corynexochina Kobayashi, 1935
             1 Family †Chengkouiidae Zhu, 1980
             2 Family †Corynexochidae Angelin, 1854
             3 Family †Dinesidae Lermontova, 1940
             4 Family †Dolichometopidae Walcott, 1916
             5 Family †Dorypygidae Kobayashi, 1935
             6 Family †Edelsteinaspididae Hupé, 1953
             7 Family †Jakutidae Suvorova, 1959
             8 Family †Oryctocephalidae Beecher, 1897
             9 Family †Zacanthoididae Swinnerton, 1915