Caption:
20040908 - Canada - Alberta : Royal Tyrrell Museum Triceratops Triceratops was the last and largest of the horned dinpsaurs. Its massive head made up almost one third of its total length. Several partial skull have been found near Drumheller but no complete skeleton has yet been fond in thi area. Triceratops horridus Late cretaceous, Montana Caption word by Royal Tyrrell Museum