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}
           1 Lepidosauromorpha Benton 1983 [Gauthier, Estes & de Queiroz 1988] {Laurin 1991} see Subclass Lepidosauromorpha Benton, 1983
           2 Archosauromorpha Huene 1946 [Gauthier, Kluge & Rowe 1988] {Laurin 1991}