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 †Naraoia Walcott, 1912 [paraphyletic]
             1.1 †Naraoia bertiensis J.-B. Caron et al., 2004
             2.1.1 †Naraoia spinosa Zhang & Hou, 1985
             2.1.2.1 †Naraoia arcana Mayers, Aria & Caron, 2018
             2.1.2.2 †Naraoia spinifer Walcott, 1931
             2.2.1 †Naraoia taijiangensis
             2.2.2.1 †Naraoia magna Mayers, Aria & Caron, 2018
             2.2.2.2 †Naraoia compactaᵀ Walcott, 1912