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 †Petalopleura Hou & Bergström, 1997
         1 Order †Xandarellida Chen et al., 1996
         2 Order †Cheloniellida Broili, 1933
         3 Order †Sinoburiida H. Xianguang & J. Bergström, 1997