Phylum Euarthropoda Lankester, 1904 see [unranked] Euarthropoda
   Subphylum †Artiopoda Hou & Bergström, 1997
     Superclass †Trilobitomorpha Størmer, 1944
       Class †Nektaspida Raymond, 1920
         Family †Naraoiidae Walcott, 1912
           Genus †Misszhouia Chen, Edgecombe & Ramsköld, 1997 [paraphyletic]
             1 †Misszhouia longicaudataᵀ (Zhang & Hou, 1985)
             2.1 †Misszhouia canadensis Mayers, Aria & Caron, 2018