The Suuwassea dinosaur is categorized as a long tailed sauropod dinosaur that is found in the Upper Jurassic strata of the Morrison Formation. This dinosaur does not have a rich background but it does fill in some evolutionary gaps. The Suuwassea that was found is the only skeleton of its kind that has been found, and this one was discovered at the Bighorn Basin site in Montana. At the time of discovery, they did not realize what they would find because they were there to uncover a triceratops.
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