Where: Falls County, Texas (31.3° N, 97.0° W: paleocoordinates 36.1° N, 77.4° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: T. imperforata zone, Danian (66.0 - 61.6 Ma)

• composite section from CM-4 and Brazos River, in foram zone PO

Environment/lithology: marine; unlithified, bioturbated, silty claystone

Size class: mesofossils

Collection methods: bulk, mechanical,

Primary reference: T. A. Hansen, B. Upshaw, E. G. Kauffman and W. Gose. 1993. Patterns of molluscan extinction and recovery across the Cretaceous-Tertiary boundary in east Texas; report on new outcrops. Cretaceous Research 14:685-706 [A. Miller/K. Layou/M. Uhen]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 5572: authorized by Arnold Miller, entered by Karen Layou on 18.10.1999

Creative Commons license: CC BY (attribution)