Ornithodira

Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Megaclassis: Osteichthyes
Cladus: Sarcopterygii
Cladus: Rhipidistia
Cladus: Tetrapodomorpha
Cladus: Eotetrapodiformes
Cladus: Elpistostegalia
Superclassis: Tetrapoda
Cladus: Reptiliomorpha
Cladus: Amniota
Classis: Reptilia
Cladus: Eureptilia
Cladus: Romeriida
Subclassis: Diapsida
Cladus: Sauria
Infraclassis: Archosauromorpha
Cladus: Crurotarsi
Divisio: Archosauria
Cladus: Avemetatarsalia
Cladus: Ornithodira
Superordines: Dinosauromorpha – †Pterosauromorpha

Ornithodira Gauthier, 1986: 43

• Gauthier, J. 1986. Saurischian Monophyly and the Origin of Birds. In: Padian, K. (ed.) The Origin of Birds and the Evolution of Flight. Memoirs of the California Academy of Sciences 8: 1–55. BHL Reference page.  [See page 43.]

• Ezcurra, M.D., Nesbitt, S.J., Bronzati, M., Dalla Vecchia, F.M., Agnolin, F.L., Benson, R.B.J., Egli, F.B., Cabreira, S.F., Evers, S.W., Gentil, A.R., Irmis, R.B., Martinelli, A.G., Novas, F.E., da Silva, L.R., Smith, N.D., Stocker, M.R., Turner, A.H. & Langer, M.C. 2020. Enigmatic dinosaur precursors bridge the gap to the origin of Pterosauria. Nature 588: 445–449. DOI: 10.1038/s41586-020-3011-4 Reference page.