Bibliografia Heckert, A. B. (2002) "A revision of the upper Triassic ornithischian dinosaur Revueltosaurus, with a description of new species" New Mexico Museum of Natural History and Science Bulletin 21:253–268. Heckert, A. B. (2005) "Krzyzanowskisaurus, a new name for a probable ornithischian dinosaur from the Upper Triassic Chinle Group, Arizona and New Mexico, USA." New Mexico Museum of Natural History and Science Bulletin 29:77-83 Heckert A. B. & Lucas, S. G. (2002) "Osteoderms of juveniles of Stagonolepis (Archosauria: Aetosauria) from the lower Chinle Group, east-central Arizona." New Mexico Museum of Natural History and Science Bulletin 21:235–239. Irmis, R. B; Parker, W. G; Nesbitt, S. J & Liu, J. (2007) "Early ornithischian dinosaurs: the Triassic record" Historical Biology 19(1): 3–22. DOI:10.1080/08912960600719988 Nesbitt, S. J; Irmis, R. B & Parker, W. G. (2007) "A critical re-evaluation of the Late Triassic dinosaur taxa of North America." Journal of Systematic Palaeontology 5(2):209-243. DOI: 10.1017/S1477201907002040 Parker, W. G; Irmis, R. B; Nesbitt, S. J;