(en) Steve L. Brusatte, G. Niedźwiedzki et R. J. Butler, « Footprints pull origin and diversification of dinosaur stem lineage deep into Early Triassic », Proceedings of the Royal Society B: Biological Sciences, vol. 278, no 1708, , p. 1107–1113 (PMID20926435, PMCID3049033, DOI10.1098/rspb.2010.1746)
(en) Steve L. Brusatte, G. Niedźwiedzki et R. J. Butler, « Footprints pull origin and diversification of dinosaur stem lineage deep into Early Triassic », Proceedings of the Royal Society B: Biological Sciences, vol. 278, no 1708, , p. 1107–1113 (PMID20926435, PMCID3049033, DOI10.1098/rspb.2010.1746)