Reptilia - Dinosauria - Caenagnathidae

Full reference: L. E. Zanno and S. D. Sampson. 2005. A new oviraptorosaur (Theropoda, Maniraptora) from the Late Cretaceous (Campanian) of Utah. Journal of Vertebrate Paleontology 25(4):897-904

Parent taxon: Caenagnathinae according to N. R. Longrich et al. 2013

Sister taxa: Caenagnathus, Chirostenotes, Leptorhynchos

Subtaxa: Hagryphus giganteus

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Ecology: ground dwelling omnivore