AverostraAvetheropodaCaenagnathidaeCaenagnathoideaCoelurosauriaDinosauriaEusaurischiaLate CretaceousManiraptoraManiraptoriformesNeotheropodaNorth AmericaOrionidesOviraptorosauriaPennaraptoraSaurischiaTetanuraeTheropodaTyrannoraptora

“Caenagnathus” sternbergi 

Dinosaur: "Caenagnathus" sternbergi 



Type: Theropod



Other

Material: Posterior end of right mandibular ramus, other material ?
References: Cracraft,J. (1971). “Caenagnathiformes: Cretaceous birds convergent in jaw mechanism to dicynodont reptiles”.

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