south of Rough Run Amphitheater (TMM 45890) (Cretaceous of the United States)

Also known as Big Bend National Park; Rough Run hindlimb

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

• coordinate based on nearby landmark

• small collection-level geographic resolution

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

• "low in the Black Peaks Formation"

• bed-level stratigraphic resolution

Environment/lithology: fluvial; lenticular, fine-grained, gray, green mudstone and limestone

• oxbow lake
• Bone bed within a fine grain sized, lenticular gray-green mudstone lens above white fluvial channel sandstone

Size class: macrofossils

Reposited in the TMM

Primary reference: J. A. Fronimos and T. M. Lehman. 2014. New specimens of a titanosaur sauropod from the Maastrichtian of Big Bend National Park, Texas. Journal of Vertebrate Paleontology 34(4):883-899 [P. Mannion/P. Mannion/P. Mannion]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 164703: authorized by Philip Mannion, entered by Philip Mannion on 11.12.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Saurischia -
Lithostrotia indet. Upchurch et al. 2004 sauropod
TMM 45890-1 (tibia) and 45890-2 (ungual)