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meaning: "Before the thunder"
Named By: Adam M. Yates & James W. Kitching in 2003
Time Period: Early Jurassic
Location: South Africa - Lower Elliot Formation
Size: Estimated about 8 - 10 meters long. Possibly larger given that the holotype remains are probably those of a juvenile/subadult
Diet: Herbivore
Fossil(s): Partial post cranial remains, including the limbs, ribs and vertebrae
Classification: | Chordata | Reptilia | Dinosauria | Saurischia | Sauropodomorpha | Sauropoda |

Antetonitrus is a genus of sauropod dinosaur found in Early Jurassic rocks in South Africa. The only species is Antetonitrus ingenipes. As one of the oldest known sauropods, it is crucial for the understanding of the origin and early evolution of this group. It was a quadrupedal herbivore, like all of its later relatives, but shows primitive adaptations to use the forelimbs for grasping, instead of purely for weight support.

Read more about Antetonitrus at Wikipedia
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