Classification of Sullivan et al. 2011
Fm. †Oviraptoridae Barsbold 1976
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Fm. †Caenagnathidae Sternberg 1940
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G. †Chirostenotes Gilmore 1924
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†Chirostenotes elegans Parks 1933
†Chirostenotes pergracilis Gilmore 1924
G. †Hagryphus Zanno and Sampson 2005
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†Hagryphus giganteus Zanno and Sampson 2005