Tetrapoda Hatschek & Cori 1896 [Gauthier, Kluge & Rowe 1988]
Count: -
   Amniota Haeckel, 1866 [Gauthier, Kluge & Rowe 1988] - amniotes
  Count: -
     Eureptilia Olson, 1947
    Count: -
       Diapsida Osborn 1903 [Laurin 1991] see Clade Diapsida Osborn 1903 [Gauthier & de Queiroz 2020]
      Count: -
         Neodiapsida Benton 1985
        Count: -
           Archosauromorpha Huene 1946 [Benton 1985], nom. cl. inval. see Clade Archosauromorpha von Huene 1946 [Gauthier 2020]
          Count: -
             Archosauria Cope, 1869
            Count: -
               Avesuchia Benton, 1999 see Clade Archosauria Cope 1869 [Gauthier & Padian 1985], nom. cl. inval.
              Count: -
                 Crurotarsi Sereno & Arcucci 1990
                Count: †4f;6g
                   Suchia Krebs 1974 [Sereno 1991]
                  Count: †2f;5g
                     †Stagonolepididae Lydekker, 1887 - aetosaurs
                    Count: -