Tuesday, March 23, 2010

Dinosaurs Did Not Gradually Die Out

Non-avian dinosaurs became extinct 65 million years ago, and now researchers have proven that this die-off didn't happen over a long period of time.

A detailed look at dinosaur bones, tracks and eggs located at 29 archaeological sites located in the Catalan Pyrenees reveals that there was a large diversity of dinosaur species living there just before the fatal K-T extinction event, which many scientists believe was caused by several large meteors hitting Earth.

Dinosaurs thrived outside of this part of Spain as well before 65 million years ago, such as in North America, but this particular research, published in the journal Palaeogeography, Palaeoclimatology, Palaeoecology, focused on the Catalan region, a former dinosaur hotbed.

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