USGS 16169 (Cretaceous of the United States)

Also known as Ditch between Trinity and Brazos Valley R.R. and road to Hubbard, 2.7 miles northwest of Cooledge, Limestone County;

Where: Limestone County, Texas (31.5° N, 96.5° W: paleocoordinates 36.9° N, 74.5° 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; sandy, calcareous claystone

• 8 or 10 feet of sandy, calcareous clay (marl)

Size class: mesofossils

Reposited in the USGS

• L. W. Stephenson 1932

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 7569: authorized by Matt Kosnik, entered by Matt Kosnik on 18.07.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Cephalopoda
 Ammonitida - Placenticeratidae
Placenticeras meeki
Placenticeras meeki ammonite
Placenticeras meeki Boehm
 Ammonitida - Baculitidae
Baculites claviformis
Baculites claviformis Stephenson 1941 ammonite
Baculites claviformis Stephenson
Bivalvia
 Pectinida - Anomiidae
Anomia tellinoides
Anomia tellinoides jingle
Anomia tellinoides Morton
 Ostreida - Ostreidae
Acutostrea plumosa
Acutostrea plumosa oyster
Ostrea plumosa Morton