Where: Bexar County, Texas (29.4° N, 98.7° W: paleocoordinates 32.6° N, 68.5° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Austin Chalk Formation, Santonian (86.3 - 83.6 Ma)

• upper Austin Chalk

• bed-level stratigraphic resolution

Environment/lithology: chalk

Size class: macrofossils

Collected by L.W. Stephenson, A.N. Sayre; 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: taxonomic analysis

PaleoDB collection 78106: authorized by Wolfgang Kiessling, entered by Uta Merkel on 28.01.2008

Creative Commons license: CC BY (attribution)