STL Science Center

STL Science Center

05 April 2013

Back to Land!

"Oh, hello!"
Basal stegosaur or Huayangosaurine, it does not really matter to Gigantspinosaurus sichuanensis. In fact, this thyreophoran probably was not too worried about much of what was going on around it because it was so well protected. The "thagomizer," I always have to take a moment to thank Gary Larson for inventing that term, on the end of the tail, basal stegosaur or not, is well developed and the shoulder spikes more than make up for the tiny array of dorsal plates along the vertebral column. The approximate size of the gigantic spiked dinosaur was about 14ft (4.2meters) long and about 1500lbs (700Kg) in weight. The first fossils were discovered in 1985 and reported as belonging to Tuojiangosaurus in 1986. It was not until 1992 that Gigantspinosaurus was used but was not accepted until 2006 when the 1992 description was authenticated and determined to be an efficient description. In 2008 skin impressions of Gigantspinosaurus were described and the history of the animal has become more laid out and elaborated upon many times since 1985.

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