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53c7d8a1ae78eef0b348130f98907f6d1
2008-09-30 13:36:38

Paleontologists have discovered the remains of a large meat-eating dinosaur with a breathing apparatus much like a modern bird, fortifying the link between birds and dinosaurs and helping to explain the evolution of birds' unique system of breathing. The scientists said the specimen, pulled from 85-million-year-old rock along the banks of Rio Colorado in Argentina's Mendoza Province, was a 33-foot-long (10 meter), two-legged predator that weighed as much as an elephant and likely had...


Latest Aerosteon Reference Libraries

45_89ef2b2cf33fab179c9d7642b5ac0247
2010-02-16 15:57:17

Aerosteon, meaning "air bone", is a genus of theropod dinosaur from the Santonian age of the Late Cretaceous Period (84 million years ago). It lived in what is now Argentina. It was discovered in 1996 in the province of Mendoza. The type, and only known, species is A. riocoloradensis. Its specific name refers to the Rio Colorado Formation where it was found. Aerosteon is known from a single tooth, some cranial bones, partial vertebrae from the neck, back, and sacrum, some ribs, and...

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Word of the Day
mundungus
  • A stinking tobacco.
  • Offal; waste animal product; organic matter unfit for consumption.
This word comes from the Spanish 'mondongo,' tripe, entrails.