Dilophosaurus
"Double-crested Lizard"
ANATOMY
Dilophosaurus was a speedy, slender, bipedal (walked on two legs),
meat-eater from
the late Triassic and early Jurassic periods. It was a theropod
about 20 feet (6 m) long,
about 5 feet (1.5 m) tall at the hip, weighing about 650 to 1,000
pounds (300kg to
450kg). It had a thin, bony, double crest 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.
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