Rough Run Amphitheater (Cretaceous of the United States)

Also known as Big Bend NP, TMM 46033

Where: Brewster County, Texas (29.3° N, 103.4° W: paleocoordinates 36.0° N, 82.8° W)

• coordinate estimated from map

• small collection-level geographic resolution

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

• uppermost part of formation

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; sandstone

Size class: macrofossils

Preservation: mold/impression, soft parts

Reposited in the TMM

Collection methods: surface (float), surface (in situ),

Primary reference: T. M. Lehman, S. L. Wick, and J. R. Wagner. 2016. Hadrosaurian dinosaurs from the Maastrichtian Javelina Formation, Big Bend National Park, Texas. Journal of Paleontology 90(2):333-356 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 187092: authorized by Matthew Carrano, entered by Matthew Carrano on 13.07.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Testudinata -
Testudinata indet. Oppel 1811 turtle
 Neornithischia - Hadrosauridae
Hadrosauridae indet. Cope 1869 hadrosaurid
smaller individual
? Gryposaurus alsatei Lehman et al. 2016 hadrosaurine
TMM 46033-1; LSUMG V-1183