Where: Bexar County, Texas (29.4° N, 98.7° W: paleocoordinates 35.1° N, 77.8° W)

• coordinate based on political unit

• outcrop-level geographic resolution

When: Discoscaphites conradi ammonoid zone, Corsicana Marl Formation, Late/Upper Maastrichtian (70.6 - 66.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; marl

Size class: macrofossils

Collected by L.W. Stephenson; reposited in the USNM

• 15623: L. W. Stephenson and A. N. Sayre 1931, TxBureau 43: L. W. Stephenson and A. N. Sayre 1931, TxBureau 742: E. H. Sellards and R. L. Cannon 1922

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: paleoecologic analysis

PaleoDB collection 7562: authorized by Matt Kosnik, entered by Matt Kosnik on 18.07.2000

Creative Commons license: CC BY (attribution)