3 miles east of Chisos (Cretaceous of the United States)

Also known as Big Bend NP

Where: Brewster County, Texas (29.2° N, 103.2° W: paleocoordinates 35.9° N, 82.1° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Aguja Formation, Maastrichtian (72.1 - 66.0 Ma)

• "Rattlesnake Beds"

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size classes: macrofossils, mesofossils

Collected by B. Brown in 1940; reposited in the AMNH

Collection methods: surface (in situ),

Primary reference: A. M. N. H. Database. 2015. [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 191055: authorized by Matthew Carrano, entered by Matthew Carrano on 05.01.2018

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Testudinata -
Testudinata indet. Oppel 1811 turtle
 Dinosauria -
Dinosauria indet. Owen 1842 dinosaur
 Neornithischia - Ceratopsidae
Ceratopsidae indet. Marsh 1888 ceratopsid
tooth
 Crocodylia -
Crocodylia indet. Owen 1842 crocodilian