an apatosaur

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brontosaur
apatosaur
A large, herbivorous, gregarious sauropod dinosaur, of the genus Apatosaurus, from Jurassic North America; it had a long neck and tail. The animal is the same as that incorrectly called a brontosaur
apatosaur
huge quadrupedal herbivorous dinosaur common in North America in the late Jurassic
an apatosaur
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