Also known as Concretions in field south of the road, 2.1 miles east by north of Eureka School, 5 miles (6.1 miles by road) northeast of McClanahan, Falls County;

Where: Falls County, Texas (31.3° N, 96.9° W: paleocoordinates 36.8° N, 74.9° W)

• coordinate based on political unit

• outcrop-level geographic resolution

When: Nacatoch Sand Formation, Maastrichtian (72.1 - 66.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; sandy, calcareous claystone

Size class: mesofossils

Reposited in the USGS

• L. W. Stephenson 1936

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 7582: authorized by Matt Kosnik, entered by Matt Kosnik on 18.07.2000

Creative Commons license: CC BY (attribution)