Saurischia�|Sauropodomorpha�@�U

Sauropoda

"arm lizard"

Brachiosaurus altithorax Naming person...Riggs / 1903 �@Neosauropoda�^Camarasauromorpha�^Brachiosauridae 22-30m long / 30,000kg-80,000kg?�^Late Jurassic�^Colorado,Uta

(c) 1998-2002 M.Shiraishi --- All Rights Reserved