Where: Jefferson County, Colorado (39.7° N, 105.2° W: paleocoordinates 38.5° N, 61.7° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Dakota Group, Late/Upper Aptian to Late/Upper Aptian (122.5 - 93.5 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Preservation: trace

Collected by Johnson

Collection methods: surface (in situ),

Primary reference: M. G. Lockley. 1987. Dinosaur footprints from the Dakota Group of eastern Colorado. The Mountain Geologist 24(4):107-122 [M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 66907: authorized by Matthew Carrano, entered by Matthew Carrano on 23.10.2006, edited by Steven Miller

Creative Commons license: CC BY (attribution)