Reptilia Linnaeus 1758 [Gauthier, Kluge & Rowe 1988], nom. cl. inval. see Class Reptilia Linnaeus, 1758
   †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
         †Australothyris smithi Modesto et al., 2009