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Like many carnivores dinosaurs T-rex often broke or shed its teeth while feeding
T-rex tooth with root
Because of their nearly perfect condition it is assumed that their death was not caused by force
This is a brain endocast of Allosaurus
Didelphodon, skull Posters Like many carnivores dinosaurs T-rexDidelphodon (meaning "two womb tooth") is a genus of stagodont metatherians (extinct carnivorous mammalian clade that includes all mammals more closely related to marsupials than to placentals) from the Late Cretaceous of North America. Although perhaps little larger than a Virginia opossum, with a maximum skull length of 12. 21 centimeters (4. 81 inches) and a weight of 5 kilograms (11 pounds), Didelphodon was a large mammal for Mesozoic standards.