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Showing blog posts tagged with "Dinosaurs"

Duck-billed dinosaur tooth topography

Grinding Teeth of Duck-bill Dinosaurs More Advanced Than Horses'

Research posts

A new scientific study shows that duck-billed dinosaurs pulverized tough and abrasive plants with grinding teeth more complex than those of cows, horses, and other well-known modern grazers. The researchers, which included Mark Norell, the chair of the Museum’s Division of Paleontology, are the first to recover material properties from fossilized teeth.

Tags: Dinosaurs, Our Research, Paleontology

What Is and Is Not a Dinosaur?

News posts

A key evolutionary innovation of dinosaurs is that they walk with a fully erect posture, holding their hind legs vertically under their hips. What else makes a dinosaur a dinosaur? Learn how scientists define this group of reptiles in the first video from the AMNH.tv series "Dinosaurs Explained."

Tags: Dinosaurs

Reconstruction-260

Newly Discovered Dinosaur Implies Greater Prevalence of Feathers

News posts

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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