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Dinosaurs and the Cretaceous Terrestrial Revolution

The belief that dinosaurs underwent explosive species diversification just before they were wiped out is an illusion. A new study, published today, showed that the main evolutionary changes took place early in the dinosaur's history. The authors constructed a "supertree", which shows how species of dinosaurs evolved and carried out analysis on this to show when the major speciation events occurred.

The paper is published in Royal Proc. Soc. and the abstract and some more links are below:

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On the hunt for dinosaur footprints

Parts of the North Yorkshire coast are famous for dinosaur footprints, and is also known as the Dinosaur Coast and has been the focus of research for many years. How easy is it to find these footprints now? We went along to this section of coast to find out.

If you find anything; record it, photograph it and sketch it - do not attempt to hammer footprints out of the rocks. The footprints are a valuable scientific asset for research.

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