[Tetrapoda] Hatschek & Cori 1896 [Gauthier, Kluge & Rowe 1988]
Ref: R.V. Hill, 2005: fig. 5 [inferred name]; Count: -
   1 †Seymouriidae Williston, 1911
  Ref: R.V. Hill, 2005: fig. 5 [rough position] [indirect position]; Count: -
   2 †Diadectomorpha Watson, 1917
  Ref: R.V. Hill, 2005: fig. 5 [rough position] [indirect position]; Count: -
   3 Amniota Haeckel, 1866 [Gauthier, Kluge & Rowe 1988] - amniotes
  Ref: R.V. Hill, 2005: fig. 5 [rough position] [indirect position]; Count: -