Euarthropoda
Count: †1o;3f;27g;30s
   †Lamellipedia see Superclass Lamellipedia Hou & Bergström, 1997
  Count: †1o;3f;27g;30s
     †Artiopoda Hou & Bergström, 1997 see Subphylum Artiopoda Hou & Bergström, 1997
    Count: †1o;3f;27g;30s
       †Retifaciida see Order Retifaciida Hou & Bergström, 1997
      Count: †2g;2s
         Genus †Retifacies Hou, Chen & Lu, 1989
        Count: †1s
           1 †Retifacies abnormalis Hou et al., 1989
          Count: -