Tyrannosaur rex, shed or broken tooth Argentinosaurus Many of these fossils preserve

Many of these fossils preserve not only the bones but impressions of soft tissues such as wing membranes

These eggs were mistakenly attributed to the locally abundant herbivore Protoceratops

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Arctodus simus the largest member of terrestrial Carnivora

presumably adding a degree of protection to the animal

Tyrannosaur rex, shed or broken tooth Argentinosaurus Many of these fossils preserveTyrannosaurs rex Tooth The original tooth was found in the Lance Formation of Wyoming and is 2. 5 inches long and is missing all of the root. Yes, T rex teeth were big and strong but they did break them while feeding and crushing the bones of other dinosaurs. These broken teeth are called shed teeth. Fortunately, when a tooth was broken or shed it was slowly replaced by another tooth growing out of the jaw. Its teeth were also serrated just like a