Where: Uvalde County, Texas (29.3° N, 99.5° W: paleocoordinates 31.9° N, 68.9° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Austin Chalk Formation, Coniacian to Coniacian (89.8 - 83.6 Ma)

• bed-level stratigraphic resolution

Environment/lithology: marine; chalk

Size class: macrofossils

Collected by T.W. Vaughan; 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 78188: authorized by Wolfgang Kiessling, entered by Uta Merkel on 30.01.2008

Creative Commons license: CC BY (attribution)