Where: Bexar County, Texas (29.4° N, 98.8° W)

• Paleocoordinates: 39.2° N, 67.2° W (Wright 2013)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Corsicana Marl Formation, Late/Upper Maastrichtian (72.2 - 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

Primary reference: C. W. Cooke. 1953. American Upper Cretaceous Echinoidea. United States Geological Survey Professional Paper 254-A:1-44 [W. Kiessling/U. Merkel/M. Clapham]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 197652: authorized by Matthew Clapham, entered by Matthew Clapham on 19.11.2018

Creative Commons license: CC0 (CC0)