PROBOSCIDEANS OF THE PLEISTOCENE
Mammut americanum (Mastodont): Shoulder height--8-10 feet; Weight--4-6 tons
Mammuthus imperator (Imperial Mammoth): Shoulder height--14-16 feet; Weight--8-10 tons
Mammuthus columbi (Columbian Mammoth): Shoulder height--12-14 feet; Weight--8-10 tons
Mammuthus primigenius (Woolly Mammoth): Shoulder height--9 feet; Weight--7-9 tons
diagram from www.mammothsite.com