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Palaeontology

Dividing the dinosaurs

The standard dinosaur evolutionary tree has two key branches: the 'bird-hipped' Ornithischia and the 'reptile-hipped' Saurischia. A revised tree challenges many ideas about the relationships between dinosaur groups. See Article p.501

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Figure 1: The dinosaur evolutionary tree.

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Padian, K. Dividing the dinosaurs. Nature 543, 494–495 (2017). https://doi.org/10.1038/543494a

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