1. Gatesy, S. M. in Functional Morphology in Vertebrate Paleontology (ed. Thomason, J. J.) 219–234 (Cambridge University Press, 1995).
2. Hutchinson, J. R. The evolution of pelvic osteology and soft tissues on the line to extant birds (Neornithes). Zool. J. Linnean Soc. 131, 123–168 (2001).
3. Turner, A. H., Makovicky, P. J. & Norell, M. A. A review of dromaeosaurid systematics and paravian phylogeny. Bull. Am. Museum Nat. Hist. 371, 1–206 (2012).
4. Ostrom, J. H. On a new specimen of the Lower Cretaceous theropod dinosaur Deinonychus antirrhopus. Breviora 439, 1–21 (1976).
5. Bunge, A. Untersuchungen zur Entwickelungsgeschichte des Beckengürtels der Amphibien, Reptilien, und Vögel. PhD thesis, Universität Dorpat (1880).