Euarthropoda
   †Lamellipedia see Superclass Lamellipedia Hou & Bergström, 1997
     †Artiopoda Hou & Bergström, 1997 see Subphylum Artiopoda Hou & Bergström, 1997
       †Petalopleura Hou & Bergström, 1997 see Subclass Petalopleura Hou & Bergström, 1997
         †Xandarellida Chen et al., 1996 see Order Xandarellida Chen et al., 1996
           Genus †Xandarella Hou et al., 1991
             1 †Xandarella spectaculum Hou et al., 1991