Reptilia - Theropoda - Alvarezsauridae
Full reference: D. W. Fowler, J. P. Wilson, E. A. Freedman Fowler, C. R. Noto, D. Anduza and J. R. Horner. 2020. Trierarchuncus prairiensis gen. et sp. nov., the last alvarezsaurid: Hell Creek Formation (uppermost Maastrichtian), Montana. Cretaceous Research 116:104560
Belongs to Trierarchuncus according to D. W. Fowler et al. 2020
See also Kubo et al. 2023
Sister taxa: none
Type specimen: MOR 6622, a limb element (manual ungual). Its type locality is MOR locality HC-557, which is in a Maastrichtian fluvial mudstone in the Hell Creek Formation of Montana.
Ecology: ground dwelling carnivore
Distribution:
• Cretaceous of United States (6: Montana collections)
Total: 6 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.