Дзьобоголові: відмінності між версіями

Класифікація згідно з Wu (1994),<ref>Wu, X-C. 1994: Late Triassic-Early Jurassic sphenodontians from China and the phylogeny of the Sphenodontia. in Fraser, N. C. & Sues, H-D.. 1994: In the Shadow of the Dinosaurs. Cambridge University Press, New York. 1994</ref> Evans ''et al.'' (2001),<ref>Evans, name=Evansetal01S. E., Prasad, G. V. R. & Manhas, B. K., 2001: Rhynchocephalians (Diapsida: Lepidosauria) from the Jurassic Kota Formation of India. Zoological Journal of the Linnean Society: Vol. 133, #3, pp. 309-334</ref>, Apesteguia & Novas (2003)<ref name=ApesteguiaNovas03/> and Evans & Borsuk−Białynicka (2009).<ref name=Sophineta>{{Cite journal|author=Susan E. Evans and Magdalena Borsuk−Białynicka |year=2009 |title=A small lepidosauromorph reptile from the Early Triassic of Poland |journal=Paleontologica Polonica |volume=65 |pages=179–202 |url=http://palaeontologia.pan.pl/PP65/PP65_179-202.pdf}}</ref>