Also known as Porvenir L.F. (in part)

Where: Presidio County, Texas (29.9° N, 104.2° W: paleocoordinates 31.6° N, 95.9° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Chambers Tuff Formation, Duchesnean (40.4 - 37.2 Ma)

Environment/lithology: terrestrial

Reposited in the TMM

Primary reference: A. E. Wood. 1974. Texas Memorial Museum Bulletin 21 [J. Alroy/J. Alroy] more details

PaleoDB collection 16821: authorized by John Alroy, entered by John Alroy on 26.07.1994

Creative Commons license: CC BY-NC-ND (attribution-noncommercial-no derivatives)