Phylum Schizoramia Bergström, 1976a see Phylum Arthropoda Siebold, 1848
Count: 1c; †7c;30o;37f;5g;2s
   Superclass †Lamellipedia Hou & Bergström, 1997 - lamellipedians
  Count: [†c] †2c;14o;18f;1g;1s
     Class †Artiopoda Hou & Bergström, 1997 see Subphylum Artiopoda Hou & Bergström, 1997
    Count: †12o;17f;1g;1s
       Subclass †Petalopleura Hou & Bergström, 1997
      Count: [†f] †3o;4f
         1 Order †Xandarellida Chen et al., 1996
        Count: [†f] †2f
         2 Order †Cheloniellida Broili, 1933
        Count: [†f] †1f
         3 Order †Sinoburiida H. Xianguang & J. Bergström, 1997
        Count: [†f] †1f