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Date:7/28/2014 11:53:13 AM
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Hi Peekaboo
Did you miss day one? I laid out my theme then, it's the evolution of US!!! We are dinosaurs, you know, the only surviving line of them, at least.
As we head into the Jurassic section of DITT, I have to say there is less stuff behind glass, and also that the Carnegie has the best collection of Jurassic material in the whole world. The second pic in the gallery today shows a juvenile camarasaurus still embedded in its matrix. This is a rare find, an articulated skeleton with a head attached! It was found at the Carnegie Quarry and sent to the museum in one piece back in the late 1800s when there weren't helicopters to help lift and carry heavy fossils. This guy was loaded onto a mule train, then onto a train and dropped off in our Big Bone Room in the basement of the museum. (When mom started her training, the tracks were still visible, but they've since been paved over. Carnegie was kind of rich, and had the trains stop right there at the museum!) If you can see closely, his ribs are missing on one side, and that's because they eroded away with the rest of the rock on that side of the dino. Our scientists mounted the entire slab of rock on the wall, because it's so spectacular! If this guy had grown to a mature size, he'd have been about 85 feet long! The second pic shows 2 dinos. The darker one in the back is also a juvenile, but he's a ceratosaurus, and he's looking for a meal of dryosaurus, the guy in front of him. The ceratosaur and the camarasaur are saurischians, or lizard hipped animals. The dryosaur is an ornithischian, or bird hipped animal. We are descended from the saurischians! All the ornithischians went extinct at the end of the mesozoic. Okay, the dryosaur is unique to Pittsburgh. We are the only museum in the world with a real one. If you see dryosaurs anywhere else, they are casts of this one. He has a kind of beak in front, and scissor like teeth in the back. He was an herbivore, and some paleontologists think he may have scissored his food before he swallowed it. He didn't have molars, so wasn't chewing. If he was doing anything, he was using those flat blade like teeth to cut the ferns smaller before he swallowed. Okay, that winds up today's dinosaurs. Don't forget, we are related to the sharp toothed guys! Hugs, a vote, and a big thanks for your support. Gizmo
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Hi my name's Limon Dallas~Thanks for BOTD, I love my new home!

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