Order †Parareptilia (Lawrence, 1868) see Subclass Parareptilia Olson, 1947
Count: [†*] †3f;26g;8s
   †Pareiasauromorpha Tsuji, Müller & Reisz 2012
  Count: [†*] †2f;25g;8s
     Suborder †Pareiasauria Seeley, 1888
    Count: [†*] †1f;20g;6s
       Genus †Shihtienfenia Young & Yeh, 1963
      Count: [†*] †1s
         †Shihtienfenia permica Young & Yeh, 1963
        Count: -