Where: Jefferson County, Colorado (39.7° N, 105.2° W: paleocoordinates 46.5° N, 81.4° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Laramie Formation, Late/Upper Maastrichtian (70.6 - 66.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; gray sandstone

Size class: macrofossils

Preservation: cast, trace

Collected by M. G. Lockley & J. Wright

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

Primary reference: M. G. Lockley and J. R. Foster. 2003. Late Cretaceous mammal tracks from North America. Ichnos 10:269-276 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 84299: authorized by Matthew Carrano, entered by Matthew Carrano on 06.10.2008

Creative Commons license: CC BY (attribution)