Paleontologists Discovered Sue The T. Rex 25 Years Ago Today

Paleontologists Discovered Sue the T. Rex 25 Years Ago Today

Today, Sue the T. Rex fossil, the largest and best preserved T. Rex fossil ever discovered, turns 25 — or at the very least, 65,500,025 (but she doesn't look a day over 60.5 million if you ask me.)

The story is now almost a paleontology legend. On August 12, 1990, while looking for fossils on the Cheyenne Indian Preservation in South Dakota, a flat tire caused a curious Sue Hendrickson (the T. Rex's namesake) so hunt around a previously unsearched cliffs nearby. After discovered fragments of bone, Hendrickson and company soon realised what they stumbled upon.

What makes Sue so special is that the fossil is more than 90 per cent complete (224 of 321 of known bones), making it the best specimen of a fossilized T. Rex in the world. In fact, it's so well preserved, that you can even see where muscles and tendons attached on Sue's skeletal surface, according to Chicago's Field Museum (where she's permanently on display). Sue stands at about 12 meters in length and its bones weigh near 1,814kg.

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