Trierarchuncus Fowler et al. 2020 (coelurosaur)

Reptilia - Saurischia - 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

Parent taxon: Alvarezsauridae according to D. W. Fowler et al. 2020

Sister taxa: Achillesaurus, Albertonykus, Alnashetri, Alvarezsaurus, Elopteryx, Parvicursorinae

Subtaxa: Trierarchuncus prairiensis

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Ecology: ground dwelling carnivore

Distribution:

• Cretaceous of United States (6: Montana collections)

Total: 6 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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