Tetrapoda Goodrich, 1930
   Amniota Haeckel, 1866 - amniotes
     Eureptilia Olson, 1947
       Diapsida Osborn 1903 [Laurin 1991]
         Neodiapsida Benton 1985 [Laurin 1991] see Clade Neodiapsida Benton 1985 [Laurin 1991] {Reisz, Modesto & Scott 2011}
           Archosauromorpha Huene 1946 [Gauthier, Kluge & Rowe 1988] {Laurin 1991}
             1 †"Protorosauria" see [unranked] Prolacertiformes
             2.1 Genus †Trilophosaurus Case, 1928
             2.2.1 †Rhynchosauria Osborn, 1903 see Order Rhynchosauria Osborn, 1903
             2.2.2.1 Genus †Prolacerta Parrington, 1935
             2.2.2.2 Archosauria Cope, 1869