A "chicken from hell" dinosaur that lived just before the asteroid struck has been discovered in South Dakota. 

'I felt my heart skip a beat': Researcher discovers dinosaur 'chicken from hell' after buying fossil online

A "chicken from hell" dinosaur that lived just before the asteroid struck has been discovered in South Dakota.

A grad student has discovered a never-before-seen dinosaur after he purchased fossils online for a class project. 

The beaked beast, nicknamed "pharaoh's dawn chicken from hell," roamed Earth during the late Cretaceous period

and hails from the South Dakota section of the Hell Creek Formation (which dates to around 65.5 million years ago)

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