1. Seeley, H. G. On the classification of the fossil animals commonly named Dinosauria. Proc. R. Soc. Lond. 43, 165–171 (1887)
2. Gauthier, J. in The Origin of Birds and the Evolution of Flight (ed. Padian, K. ) Ch. 8, 1–55 (Memoir California Academy of Science, 1986)
3. Benton, M. J. & Clark, J. M. in The Phylogeny and Classification of the Tetrapods (ed. Benton, M. J. ), 295–338 (Clarendon, 1988)
4. Sereno, P. C. Phylogeny of the bird-hipped dinosaurs (order Ornithischia). Natl Geogr. Soc. Res. 2, 234–256 (1986)
5. Baron, M. G., Norman, D. B. & Barrett, P. M. A new hypothesis of dinosaur relationships and early dinosaur evolution. Nature 543, 501–506 (2017)