[Arthropoda] Siebold, 1848 - arthropods see Phylum Arthropoda Siebold, 1848
   Arachnomorpha Heider, 1913
     †Trilobitomorpha Størmer, 1944 see Superclass Trilobitomorpha Størmer, 1944
       †Naraoiidae Walcott, 1912
         1.1 Genus †Misszhouia Chen, Edgecombe & Ramsköld, 1997
         1.2 Genus †Naraoia Walcott, 1912
         2 †Liwiinae Dzik & Lendzion, 1988