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Latest Arizonasaurus Stories

1d51899578d3c97baa42e144014e6f5f
2011-05-20 12:37:24

A fossil unearthed in China in the 1970s of a creature that died about 247 million years ago, originally thought to be a distant relative of both birds and crocodiles, turns out to have come from the crocodile family tree after it had already split from the bird family tree, according to research led by a University of Washington paleontologist.The only known specimen of Xilousuchus sapingensis has been reexamined and is now classified as an archosaur. Archosaurs, characterized by skulls with...


Latest Arizonasaurus Reference Libraries

66_e042918b9630182340f83d6c98ab4dca
2009-08-04 18:00:09

Arizonasaurus was a genus of dinosaur from the Mesozoic Era of the Middle Triassic Period about 240 million years ago. It was first found in the Moenkopi Formation of northern Arizona. In 2002, a nearly complete skeleton was discovered by Sterling Nesbitt. The type species, A. babbitti, was named by Samuel Paul in 1947. One characteristic of Arizonasaurus was that it had a large sail on its back formed by elongated spines of the vertebrae. Photo Copyright and Credit

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Word of the Day
holluschickie
  • A 'bachelor seal'; a young male seal which is prevented from mating by its herd's older males (mated bulls defending their territory).
This comes from the Russian word for 'bachelors.'
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