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 †Asaphida Salter, 1864
           Superfamily †Cyclopygoidea Raymond, 1925
             1 Family †Cyclopygidae Raymond, 1925
             2 Family †Nileidae Angelin, 1854
             3 Family †Taihungshaniidae Sun, 1931