Reptilia Linnaeus 1758 [Gauthier 1984], nom. cl. inval. see Clade Reptilia Linnaeus 1758 [Laurin & Reisz 2020]
   †Parareptilia Olson 1947 [deBraga & Reisz 1996] see Subclass Parareptilia Olson, 1947
     †Procolophonomorpha Romer, 1964 see Order Procolophonomorpha Romer, 1964
       Genus †Australothyris Modesto, Scott & Reisz, 2009
         1 †Australothyris smithi Modesto et al., 2009