USGS locality 8521, George Newlin Ranch, Ashland, on little clinkered cone (Paleocene of the United States)

Where: Montana (45.9° N, 106.2° W: paleocoordinates 51.6° N, 84.0° W)

• coordinate estimated from map

When: Fort Union Formation, Paleocene (66.0 - 56.0 Ma)

• Although not stated, this collection likely comes from the Fort Union Fm

Environment/lithology: fluvial; siliciclastic sediments

Reposited in the USNM

Collection methods: quarrying, mechanical,

• Collected by R. W. Brown and F. S. MacNeill on Aug. 20, 1936

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 53838: authorized by Peter Wilf, entered by Jocelyn Sessa on 14.09.2005

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
Ampelopsis acerifolia
Ampelopsis acerifolia Newberry 1868
 Fagales - Fagaceae
Castanea intermedia
Castanea intermedia Lesquereux 1878 chestnut
 Rosales - Ulmaceae
Zelkova planeroides
 Coniferales - Cupressaceae
Glyptostrobus nordenskioldi, Metasequoia occidentalis
Glyptostrobus nordenskioldi Chinese swamp cypress
Metasequoia occidentalis Chaney 1951 dawn redwood
cones foliage and seeds
Beringiaphyllum cupanioides
  -
Beringiaphyllum cupanioides
Beringiaphyllum cupanioides Manchester et al. 1999