USGS locality 5827, Vermejo Creek, about 3 miles NW of Dawson (Paleocene to of the United States)

Where: New Mexico (36.7° N, 104.8° W: paleocoordinates 42.8° N, 84.0° W)

• coordinate based on political unit

When: Nacimiento Formation, Puercan to Puercan (66.0 - 60.9 Ma)

• It is not specified what formation this collection comes from, it is likely the Nacimiento Fm. Brown originally called this the Nacimiento Group and the Puerco Fm.

Environment/lithology: fluvial; claystone and sandstone

• Puerco Fm is composed of variegated clays and sands.

Size class: macrofossils

Reposited in the USNM

Collection methods: quarrying, mechanical,

• Collected in 1910, with W.T. Lee in charge.

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 52940: authorized by Peter Wilf, entered by Jocelyn Sessa on 28.08.2005

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
Gastropoda
 Sorbeoconcha - Ficidae
Ficus affinis
Ficus affinis fig shell
Angiospermae
 Mesangiosperms - Arecaceae
Sabal grayana
Sabal grayana Lesquereux 1869 palm