Order †Ornithischia Seeley, 1887
Count: -
   Suborder †Ankylosauria Osborn, 1923 see Infraorder Ankylosauria Osborn, 1923
  Count: [*] †3f12g
     Family †Nodosauridae Marsh, 1890
    Count: -
       Genus †Panoplosaurus Lambe, 1919
      Count: -