Reptilia - Dinosauria

Synonym: Elmisauridae Osmólska 1981

Full reference: R. M. Sternberg. 1940. A toothless bird from the Cretaceous of Alberta. Journal of Paleontology 14(1):81-85

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

Sister taxa: Avimimidae, Caenagnathoidea, Caudipterygidae, Caudipteryx, Elmisaurus, Incisivosaurus, Ingeniidae, Microvenator, Ningyuansaurus, Oviraptoridae, Oviraptoroidea, Protarchaeopteryx

Subtaxa: Caenagnathasia, Caenagnathinae, Elmisaurinae, Epichirostenotes, Gigantoraptor, Nomingia, Ojoraptorsaurus

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Ecology: ground dwelling omnivore