Images: The Oldest Dinosaur

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Excavating in South Africa

Dinosaur excavation in South Africa

(Image credit: ©Natural History Museum)

Study co-researcher Paul Barrett of London's Natural History Museum excavates a skeleton of a prosauropod dinosaur near Lady Grey, South Africa.

Study Co-Researcher

Dinosaur excavation in New Mexico

(Image credit: Randall Irmis)

Study researcher Sarah Werning of University of California, Berkeley excavates around a plaster jacket covering a Triassic dinosaur from a quarry in New Mexico.

Digging in Tanzania

Digging for dinosaurs in Tanzania

(Image credit: L. Tsuji)

Researcher Christian Sidor of the University of Washington excavates a fossil from the Manda beds, Tanzania.