USGS locality 8187, Denver Basin NW 1/4 Sec. 30, T 11S, R 60W (Cretaceous of the United States)

Where: Colorado (39.1° N, 104.2° W: paleocoordinates 45.6° N, 80.6° W)

• coordinate estimated from map

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

• Denver Basin

Environment/lithology: fluvial; sandstone and coal

• sandstones, shales, clays, and coals

Size class: macrofossils

Reposited in the USNM

Collection methods: quarrying, mechanical,

• Collected by C.H. Dane and party (Pierce) in Aug. 24, 1931

Primary reference: R. W. Brown. 1962. Paleocene flora of the Rocky Mountains and Great Plains. United States Geological Survey Professional Paper 375:1-119 [P. Wilf/J. Sessa/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 53085: authorized by Peter Wilf, entered by Jocelyn Sessa on 05.09.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

• Species lists for Brown 1962 were compiled from the publication and provided for the Paleobiology Database by Drs. Steven R. Manchester and Peter R. Crane.
Show authors, comments, and common names
Angiospermae
 Vitales - Vitaceae
Cissus marginata
Cissus marginata Lesquereux 1872
Leaf impressions