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Showing blog posts tagged with Paleontology

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Newly Discovered Dinosaur Implies Greater Prevalence of Feathers

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A new species of feathered dinosaur discovered in southern Germany is further changing the perception of how predatory dinosaurs looked. The fossil of Sciurumimus albersdoerferi, which lived about 150 million years ago, provides the first evidence of feathered theropod dinosaurs that are not closely related to birds. The fossil is described in a paper published today in the Proceedings of the National Academy of Sciences by researchers at the Museum and at the Bayerische Staatssammlung für Paläontologie und Geologie and Ludwig Maximilians University, both in Germany.

Tags: Dinosaurs, Paleontology

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Graduate Student Links Dino Eggshells and Ancient Climates

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Fourth-year Richard Gilder Graduate School (RGGS)doctoral student Shaena Montanari uses her geology training and subtle clues left by dinosaurs to reconstruct the environment of Mongolia’s Gobi Desert as it was 70 million years ago. Based on an innovative approach that takes cues from the geochemistry of dinosaur eggshells, Montanari’s latest findings—that late in the Mesozoic “age of the dinosaurs” the Gobi desert was a much wetter and warmer place than today—were presented this week at a poster session of the American Geophysical Union’s Fall Meeting in San Francisco.

Tags: Paleontology

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Curious Collections: A Single Dino Toe

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This specimen from the Museum’s paleontology collection is a single dinosaur toe covered with lichen.

Most likely collected in 1912 in Alberta, Canada, the toe is thought to belong to a hadrosaur (duck-billed) or ceratopsian (horned) dinosaur. The toe is the terminal phalanx, or the one that supported the hoof. The lichen growth, which occurred on the two damaged parts of the bone, shows that the bone was exposed on the surface of the ground for many years before being discovered.

Tags: Dinosaurs, Paleontology

New Research Points to Dinosaurs’ Colorful Past

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There’s new evidence that dinosaurs, once thought to resemble scaly lizards, were in fact fluffy, colorful animals. In the video below, Curator Mark Norell, who is chair of the Museum’s Division of Paleontology and studies important feathered dinosaurs from Liaoning, China, shares his thoughts on the significance of two new studies about fossilized feathers reported in the current issue of Science magazine.

If you missed the live Twitter chat with Dr. Mark Norell about fossilized feathers on Friday, Sept. 16, click here to read the discussion. Add your own comments using the hashtag#DinoFeathers.

Tags: Dinosaurs, Paleontology

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