Order †Parareptilia (Lawrence, 1868) see Subclass Parareptilia Olson, 1947
   †Pareiasauromorpha Tsuji, Müller & Reisz 2012
     Suborder †Pareiasauria Seeley, 1888
       1 †Bradysaurus seeleyi Haughton & Boonstra, 1929
       2.1 †Bradysaurus baini (Seeley, 1892)
       2.2 Genus †Nochelesaurus Haughton, 1929
       2.3.1 Genus †Embrithosaurus Watson, 1914
       2.3.2.1 Genus †Bunostegos Sidor, Blackburn & Gado, 2003
       2.3.2.2 [Family †Pareiasauridae Cope, 1896]
       2.3.2.2.1 Genus †Deltavjatia Lebedev, 1987
       2.3.2.2.2 Genus †Parasaurus Marsh, 1893
       2.3.2.2.3 Genus †Honania Young, 1979, nom. illeg.
       2.3.2.2.4.1 Genus †Pareiasaurus Owen, 1876
       2.3.2.2.4.2 Genus †Sanchuansaurus Gao, 1989
       2.3.2.2.4.3 Genus †Scutosaurus Hartmann-Weinberg, 1930
       2.3.2.2.4.4 Family †Elginiidae Cope, 1895
       2.3.2.2.5 Genus †Pareiasuchus Broom & Haughton, 1913
       2.3.2.2.6.1.1 Genus †Shihtienfenia Young & Yeh, 1963
       2.3.2.2.6.1.2 Genus †Shansisaurus Cheng, 1980
       2.3.2.2.6.1.3 Genus †Huanghesaurus Gao, 1983
       2.3.2.2.6.2 Genus †Nanoparia Broom, 1936
       2.3.2.2.6.3 †Pumiliopareiasauria Jalil & Janvier 2005