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 indet. Marsh 1881 theropod | |
cf. Pteraichnus sp. Stokes 1957 pterosaur |