Wednesday, August 25, 2021

Fossils illuminate dinosaur evolution in eastern North America

Tyrannosaurus rex, the fearsome predator that once roamed what is now western North America, appears to have had an East Coast cousin. A new study describes two dinosaurs that inhabited Appalachia -- a once isolated land mass that today composes much of the eastern United States -- about 85 million years ago: an herbivorous duck-billed hadrosaur and a carnivorous tyrannosaur.

from Latest Science News -- ScienceDaily https://ift.tt/3Beaj9O

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