Translingual edit

Etymology edit

From Ancient Greek ὄρνις (órnis, bird) + δειρή (deirḗ, throat).

Proper noun edit

Ornithodira

  1. A taxonomic clade within the class Reptilia.

Hypernyms edit

Hyponyms edit

Cladogram after Nesbitt (2011):

'Avemetatarsalia
Ornithodira 

'Pterosauromorpha' (=Pterosauria)


 'Dinosauromorpha

'Lagerpetonidae'


 'Dinosauriformes

Marasuchus




'Silesauridae'


 Dinosauria 

Ornithischia


 Saurischia 

Theropoda (ancestral to birds)



Sauropodomorpha









References edit