El Quemado tracksite (Cretaceous to of Mexico)

Where: Coahuila, Mexico (28.2° N, 102.1° W: paleocoordinates 34.6° N, 77.3° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Muerto Formation (Difunta Group), Late/Upper Campanian to Late/Upper Campanian (83.5 - 66.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; sandstone

Size class: macrofossils

Preservation: trace

Collected in 2002

Collection methods: surface (in situ),

• Parras Basin Dinosaur Project

Primary reference: R. A. Rodríguez-de la Rosa, M. C. Aguillón-Martínez, and J. López-Espinoza. 2004. The fossil record of vertebrate tracks in Mexico. Ichnos 11:27-37 [M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 149734: authorized by Matthew Carrano, entered by Matthew Carrano on 23.08.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Theropoda -
Theropoda indet. Marsh 1881 theropod
 Pterosauria - Pteraichnidae
cf. Pteraichnus sp. Stokes 1957 pterosaur