Where: Tarrant County, Texas (32.1° N, 97.5° W)

• Paleocoordinates: 37.9° N, 46.1° W (Wright 2013)

• coordinate based on political unit

• outcrop-level geographic resolution

When: Glen Rose Limestone Formation (Trinity Group), Early/Lower Albian (113.2 - 110.1 Ma)

• 230 feet of dolomitic limestones, marly limestones, biolithites and evaporitic limestones underlain by Hensel Formation and overlain by Walnut Formation. top of Glen Rose Formation

• formation-level stratigraphic resolution

Environment/lithology: open shallow subtidal; lithified, dolomitic limestone

Size class: macrofossils

Primary reference: K. Young. 1974. Lower Albian and Aptian (Cretaceous) ammonites of Texas. Geoscience and Man, Aspects of Trinity Division geology 8:175-228 [A. Miller/K. Bulinski/M. Uhen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 53020: authorized by Arnold Miller, entered by Kate Bulinski on 31.08.2005

Creative Commons license: CC0 (CC0)