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2006-03-15 13:05:00

By Patricia Reaney LONDON -- A newly discovered, perfectly preserved fossil of a 150 million-year-old dinosaur found in southern Germany may force scientists to rethink how and when feathers evolved. The nearly complete remains of the chicken-size dinosaur named Juravenator, which is described in the journal Nature on Wednesday, were preserved in limestone. But unlike other members of the group of two-legged meat-eating predators known as coelurosaurs, it had no feathers. "It is an absolutely...


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66_62cbf4660bf3358be18257ed2e4c54ad
2011-04-11 16:14:27

Sinocalliopteryx, meaning "Chinese beautiful feather," is a genus of compsognathid dinosaur from the Early Cretaceous Period (124.6 million years ago) from China. It was recovered from the Jianshangou beds of the Yixian Formation. The type species, S. gigas, meaning "giant," was derived from the dinosaur's large size for a compsognathid. It is also unique from other compsognathids, by its relatively long hands in relation to its arms, which were also longer overall than in most...

66_0dbecfe0d5e6ebc053e84dc03a4a9f89
2010-02-02 13:50:17

Juravenator is a genus of coelurosaurian dinosaur from the Late Jurassic Period (150 million years ago). It lived in what are now the Jura Mountains of Germany. It was discovered in 1998 by an amateur paleontologist in a lime pit near Eichstätt. The specimen was nicknamed Borsti, a name commonly given to bristle-haired dogs. It was assumed that this dinosaur was endowed with bristly proto-feathers. Studies of the remains of Juravenator indicate that this animal had both normal dinosaur...

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Word of the Day
drawcansir
  • A blustering, bullying fellow; a pot-valiant braggart; a bully.
This word is named for Draw-Can-Sir, a character in George Villiers' 17th century play The Rehearsal.
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