USGS 07511 (Cretaceous of the United States)

Also known as Bed of Doctors Creek, just south of the Texas Midland R. R., 2 miles southwest of Cooper, Delta County;

Where: Delta County, Texas (33.4° N, 95.7° W: paleocoordinates 38.5° N, 73.0° W)

• coordinate based on political unit

• outcrop-level geographic resolution

When: Neylandville Marl Formation, Maastrichtian (72.1 - 66.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; calcareous claystone and marl

• weathered greenish-gray calcareous clay (marl)

Size class: mesofossils

Reposited in the USGS

• T. W. Stanton and L. W. Stephenson 1911

Primary reference: L. W. Stephenson. 1941. The larger invertebrate fossils of the Navarro group of Texas. The University of Texas Publication 4101:1-625 [M. Kosnik/M. Kosnik]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 7491: authorized by Matt Kosnik, entered by Matt Kosnik on 18.07.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Ostreida - Gryphaeidae
Exogyra cancellata oyster
Exogyra cancellata Stephenson
 Pectinida - Anomiidae
Anomia tellinoides jingle
Anomia tellinoides Morton