Thagomizer - Wikipedia, the free encyclopedia http://en.wikipedia.org/wiki/Thagomizer http://en.wikipedia.org/wiki/Thagomizer Thagomizer - Wikipedia, the free encyclopedia http://en.wikipedia.org/wiki/Thagomizer A thagomizer is the distinctive arrangement of four to ten spikes on the tails of stegosaurid dinosaurs. These spikes are believed to have been a def... View on en.wikipedia.org http://en.wikipedia.org/wiki/Thagomizer Preview by Yahoo
