Vertebrata Cuvier, 1812 - vertebrates
   Gnathostomata
     Teleostomi
       Tetrapoda Goodrich, 1930
         Amniota Haeckel, 1866 - amniotes
           Class Reptilia Linnaeus, 1758 [paraphyletic] - reptiles
             Subclass Diapsida Osborn, 1903 - diapsids see Clade Diapsida Osborn 1903 [Laurin 1991]
               Infraclass Lepidosauromorpha Benton, 1983 see Subclass Lepidosauromorpha Benton, 1983
                 1 Order †Eosuchia Broom, 1914 see Clade Eosuchia Broom 1914 [Laurin 1991]
                 2 Superorder Lepidosauria Haeckel, 1866 see Superorder Lepidosauriformes Gauthier et al., 1988
                 3 Superorder †Sauropterygia Owen, 1860