BOYD, DRUMHELLER & GATES, 2013

Locatliy: UMNH Localty 303, Grandstaircase-Escalante National Monument, Utah.

Horizon: Kaiparowits Formation.

Biostratigraphy:

Age: Campanian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.

Material:

UMNH VP 21104, 21107: Fragmentary skeletons of a juvenile specimens.

Note: Has tooth marks from crocodiliformes.

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