|More about Dilophosaurus
Anatomy: Dilophosaurus had two thin, bony, almost semi-circular crests on its head; these may have been for mating displays. It had short arms with three-fingered hands and strong legs with four-toed feet (one toe was a dewclaw ). Both fingers and toes had claws. It had hollow bones and an S-shaped, curved neck. It had loosely attached jaws which would have made killing animals with its teeth difficult.
Fossils and Name: The first fossil Dilophosaurus skeleton was found in Arizona, USA, in the 1940's. Dilophosaurus was named in 1970 by Samuel P. Welles. Fossils have been found in the USA and China.
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