
Protohadros (meaning `first hadrosaur`) is a genus of herbivorous ornithischian dinosaur from the Late Cretaceous (Cenomanian stage), 95 million years ago. Gary Byrd, a part-time palaeontologist, discovered some remains of this euornithopod (ribs and an ungual) during early 1994 at Flower Mound, Denton County, north-central Texas. He informed pr.....
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http://en.wikipedia.org/wiki/Protohadros

(pronounced PRO-toe-HAD-ros) Protohadros meaning first hadrosaur) is the oldest-known duck-billed dinosaur, dating from about 95 million years ago, during the Cretaceous period , and seems to indicate a North American origin for hadrosaurs. Protohadros was a large, plant-eating, duck-billed dinosaur with relatively large, deep jaws. Its fossils wer...
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http://www.enchantedlearning.com/subjects/dinosaurs/glossary/
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