USGS locality 317 South Table Mountain, CO, Denver Fm (Paleocene of the United States)

Also known as USGS localities 317, 320, 322, 324, and 8063

Where: Jefferson County, Colorado (39.8° N, 105.2° W: paleocoordinates 45.5° N, 85.0° W)

• coordinate based on political unit

When: Denver Formation, Paleocene (66.0 - 56.0 Ma)

• Denver Basin

•'Leaves were found in an outcrop 50 feet above drab-green sandy beds containing the highest dinosaur remains.'

• group of beds-level stratigraphic resolution

Environment/lithology: fluvial; sandy claystone

• 'light colored sandy clay.'

Reposited in the USNM

Collection methods: quarrying, mechanical,

• 'Specimens were collected by A. Lakes in June 1890.'

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 39899: authorized by Peter Wilf, entered by Jocelyn Sessa on 11.06.2004

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.
 Ficoidea - Ficidae
Ficus affinis fig shell
 Equisetales - Equisetaceae
Equisetum spp. Linnaeus
 Arecales - Palmae
 Osmundales - Osmundaceae
 Polypodiales - Dryopteridaceae
  - Selaginellaceae
 Rhamnales - Rosidae
 Urticales - Dilleniidae
 Theales - Dilleniidae
 Scrophulariales - Asteridae
 Myrtiflorae - Nyssaceae
 Magnoliales - Magnoliaceae
 Saxifragales - Cercidiphyllaceae
 Dipsacales - Caprifoliaceae
 Ericales - Ericaceae
Kalmia elliptica Brown 1962
 Malvales - Sterculiaceae
"Pterospermites cordatus" = Penosphyllum cordatum
"Pterospermites cordatus" = Penosphyllum cordatum Manchester 2014
 Proteales - Platanaceae
 Fagales - Betulaceae
Corylus insignis Heer 1871 birch
 Fagales - Fagaceae
Quercus sullyi Newberry 1883
 Nymphaeales - Nymphaeaceae
Nelumbium tenuifolium Lesquereux 1874
Allantodiopsis erosa
Allantodiopsis erosa Knowlton 1919
Sabal grayana Brown 1962
Lastrea goldiana Lesquereux 1878