AlvarezsauridaeAlvarezsauroideaAverostraAvetheropodaCoelurosauriaDinosauriaEusaurischiaLate CretaceousManiraptoraManiraptoriformesNeotheropodaNorth AmericaOrionidesParvicursorinaeSaurischiaTetanuraeTheropodaTyrannoraptora

Trierarchuncus prairiensis

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Dinosaur: Trierarchuncus prairiensis

Cretaceous: 72.1–66 Ma
Type: Theropod



Locations


Sources

Material: Manual ungual, referred very fragmentary remains.
References: Denver W. Fowler, John P. Wilson, Elizabeth A. Freedman Fowler, Christopher R. Noto, Daniel Anduza, John R. Horner (2020). Trierarchuncus prairiensis gen. et sp. nov., the last alvarezsaurid: Hell Creek Formation (uppermost Maastrichtian), Montana.

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