USGS locality 8188, Denver Basin, south of ramah (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 53086: 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
Polypodiopsida
 Schizaeales - Polypodiidae
Anemia elongata
Anemia elongata Newberry 1863
Angiospermae
 Vitales - Vitaceae
Ampelopsis acerifolia
Ampelopsis acerifolia Newberry 1868
 Oxalidales - Oxalidaceae
"Sapindus affinis" = Averrhoites affinis
"Sapindus affinis" = Averrhoites affinis Newberry 1868 wood sorrel
 Rosids - Moraceae
Ficus planicostata
Ficus planicostata Lesquereux 1872 fig
Dicotyledoneae
 Myrtales - Myrtaceae
Myrtophyllum torreyi
Myrtophyllum torreyi Dorf 1942 myrtle
Angiospermae
 Mesangiosperms - Arecaceae
Sabal imperialis, Paloreodoxites plicatus
Sabal imperialis Dawson 1882 palm
Paloreodoxites plicatus Brown 1962 palm
 Saxifragales - Cercidiphyllaceae
Cercidiphyllum arcticum