Phylum Schizoramia Bergström, 1976a see Phylum Arthropoda Siebold, 1848
   Superclass †Lamellipedia Hou & Bergström, 1997 - lamellipedians
     Class †Artiopoda Hou & Bergström, 1997 see Subphylum Artiopoda Hou & Bergström, 1997
       Subclass †Nectopleura Hou & Bergström, 1997
         Order †Nectaspidida Raymond, 1920, nom. corr. see Order Nektaspida Raymond, 1920
           1 Family †Orientellidae Repina & Okuneva, 1969
           2 Family †Liwiidae Dzik & Lendzion, 1988 see Subfamily Liwiinae Dzik & Lendzion, 1988
           3 Family †Naraoiidae Walcott, 1912