Where: Alaska (63.6° N, 149.5° W: paleocoordinates 72.0° N, 103.8° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Cantwell Formation, Late/Upper Campanian to Late/Upper Campanian (83.5 - 66.0 Ma)

• lower part of formation

• group of beds-level stratigraphic resolution

Environment/lithology: fluvial-lacustrine; siliciclastic sediments

Size class: macrofossils

Preservation: mold/impression, trace

Collection methods: surface (in situ), peel or thin section,

Primary reference: A. R. Fiorillo, P. J. McCarthy, B. H. Breithaupt and P. F. Brease. 2007. Dinosauria and fossil Aves footprints from the lower Cantwell Formation (latest Cretaceous), Denali National Park and Preserve. Crossing Boundaries in a Changing Environment. Proceedings of the Central Alaska Park Science Symposium, September 12–14, 2006. Alaska Park Science 6(2):41-43 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 201858: authorized by Matthew Carrano, entered by Matthew Carrano on 04.06.2019

Creative Commons license: CC BY (attribution)