Also known as Big Bend National Park

Where: Brewster County, Texas (29.4° N, 103.2° W: paleocoordinates 36.0° N, 82.5° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Javelina Formation (Tornillo Group), Late/Upper Maastrichtian (70.6 - 66.0 Ma)

• The exposed part of the Javelina Formation at ‘Willow’ is 65 m thick, and is part of the middle Javelina Formation. Titanosaur and tyrannosaur remains are from two adjacent beds at 33-34 m above base of section, and 8-9 m above TMM 46052 in same general locality.

• group of beds-level stratigraphic resolution

Environment/lithology: fluvial; sandstone

Size class: macrofossils

Reposited in the TMM

Primary reference: S. L. Wick. 2014. New evidence for the possible occurrence of Tyrannosaurus in West Texas, and discussion of Maastrichtian tyrannosaurid dinosaurs from Big Bend National Park. Cretaceous Research 50:52-58 [P. Mannion/J. Tennant]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 156122: authorized by Philip Mannion, entered by Jonathan Tennant on 08.05.2014, edited by Philip Mannion

Creative Commons license: CC BY (attribution)