Travis County [Cow Creek Fm] (Cretaceous of the United States)

Where: Travis County, Texas (30.3° N, 97.8° W: paleocoordinates 28.4° N, 53.1° W)

• coordinate based on political unit

• local area-level geographic resolution

When: Cow Creek Limestone Formation, Late/Upper Aptian (122.5 - 113.0 Ma)

• STRATIGRAPHIC RELATIONS: From the Cow Creek Fm of the Trinity Group. AGE: Early Aptian, on the basis of ammonite biostratigraphy. Correlative of the Travis Peak Fm. STRATIGRAPHIC POSITION: Checklist representative of entire formation.

• formation-level stratigraphic resolution

Environment/lithology: marine; lithified lithology not reported

• SPECIFIC LITHOLOGY: Lithology not described in publication. LITHIFICATION: Lithified, on the basis of figured specimens.

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 84441: authorized by Austin Hendy, entered by Austin Hendy on 19.10.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhaustive for cephalopods and nautiloids. NOMENCLATURE: Authoritative publication, with fairly modern nomenclature and species-resolution identifications.
Show authors, comments, and common names
Cephalopoda
 Ammonitida - Acanthohoplitidae
Colombiceras robustum
 Ammonitida - Engonoceratidae
Metengonoceras inscriptum
Metengonoceras inscriptum Hyatt 1903 ammonite
 Ammonitida - Neocomitidae
Saynella hilli