Poison Creek Diplodocus Skull Photo - Profile

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Science Museum paleontologists found this intact juvenile Diplodocus skull at Poison Creek Quarry, near Buffalo, Wyoming. It's about 150 million years old, and from the Jurassic Period, not the Cretaceous (like the skulls recently found in Utah). The thin, juvenile bones make this skull even more delicate than other sauropod skulls and an even luckier find. It's so well preserved that you can see a row of small replacement "bud" teeth coming in along the upper jaw.

The remains of other dinosaurs were also found in the quarry—including the adult Diplodocus, one of the Camptosaurs, and the Apatosaurus femur on display in the Dinosaurs and Fossils Gallery.

Read more about the Headless Dinosaurs