Order †Parareptilia (Lawrence, 1868) see Subclass Parareptilia Olson, 1947
   †Pareiasauromorpha Tsuji, Müller & Reisz 2012
     Suborder †Pareiasauria Seeley, 1888
       Family †Elginiidae Cope, 1895
         1 Genus †Elginia Newton, 1892
         2 Genus †Arganaceras Jalil & Janvier, 2005
         3 Genus †Obirkovia Bulanov & Jashina, 2005