Tetrapoda Goodrich, 1930 Amniota Haeckel, 1866 - amniotes Eureptilia Olson, 1947 Diapsida Osborn 1903 [Laurin 1991] †Araeoscelidia Williston 1913 [Laurin 1991] see Order Araeoscelidia Williston, 1913