[Tetrapoda] Hatschek & Cori 1896 [Gauthier, Kluge & Rowe 1988]
   Amniota Haeckel, 1866 [Gauthier, Kluge & Rowe 1988] - amniotes
     Reptilia Linnaeus 1758 [Gauthier, Kluge & Rowe 1988], nom. cl. inval. see Class Reptilia Linnaeus, 1758
       1 †Parareptilia Olson 1947 [deBraga & Reisz 1996] see Subclass Parareptilia Olson, 1947
       2 Eureptilia Olson, 1947