USGS locality 4050, Florida River Crossing, CO, Animas Fm, Cretaceous (Cretaceous of the United States)

Where: Colorado (37.3° N, 107.9° W: paleocoordinates 36.8° N, 66.2° W)

• coordinate based on political unit

When: Animas Formation, Cretaceous (145.0 - 66.0 Ma)

• 'lowest horizon Durango Coal field.' From USGS unpublished log book.

• formation-level stratigraphic resolution

Environment/lithology: fluvial; conglomerate and coal

• 'in conglomerate beds above purple conglomerate.' From USGS unpublished log book.

Reposited in the USNM

Collection methods: quarrying, mechanical,

• Specimens were collected by C.D. Smith for J. A. Taff, 1906.

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/J. Sessa]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 40287: authorized by Peter Wilf, entered by Jocelyn Sessa on 21.06.2004

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.
Magnoliopsida
 Rosales - Rosaceae
Prunus corrugis plum
nut