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about 112 million to 97 million years ago
6 inches in diameter
it is possible that Dromaeosaurus was more of a scavenger than other small theropods
built for grabbing prey and breaking bone
Because of their nearly perfect condition it is assumed that their death was not caused by force
Didelphodon, skull Posters about 112 million to 97Didelphodon (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.