Where: Hudspeth County, Texas (30.0° N, 98.0° W: paleocoordinates 28.2° N, 53.4° W)

• coordinate based on political unit

• local area-level geographic resolution

When: Cuchillo Formation (Trinity Group), Late/Upper Aptian (122.5 - 113.0 Ma)

• STRATIGRAPHIC RELATIONS: From the Cuchillo Fm of the Trinity Group, overlies the Yucca Fm, and is overlain by the Cox Fm. AGE: Late Aptian, on the basis of ammonite biostratigraphy. STRATIGRAPHIC POSITION: Checklist representative of entire formation.

• formation-level stratigraphic resolution

Environment/lithology: marine; lithified lithology not reported

Size class: macrofossils

Preservation: cast, mold/impression

Collection methods: surface (in situ),

• COLLECTORS: Authors of publication. REPOSITORY: Private amateur collections.

Primary reference: B. L. Emerson, J. H. Emerson, R. E. Akers and T. J. Akers. 1994. Texas Cretaceous ammonites and nautiloids. Texas Paleontology Series 5:1-439 [A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 84447: authorized by Austin Hendy, entered by Austin Hendy on 19.10.2008

Creative Commons license: CC BY (attribution)