Las Aguilas tracksite A (layer 3): Late Campanian, Mexico

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia - Hadrosauridae
1 individual
trackway with unusual gait, the "drunk hadrosaur"
see common names

Geography
Country:Mexico State/province:Coahuila
Coordinates: 25.5° North, 101.7° West (view map)
Paleocoordinates:34.7° North, 68.5° West (Wright 2013)
Basis of coordinate:stated in text
Altitude:1369 meters
Geographic resolution:outcrop
Time
Period: Cretaceous Epoch: Late Cretaceous
Stage: Campanian 10 m.y. bin: Cretaceous 7
Key time interval: Late Campanian
Age range of interval: 83.6 - 72.2 m.y. ago
Stratigraphy
Geological group:Difunta Formation:Cerro del Pueblo
Local section:Las Águilas Local bed:260 m
Local order:bottom to top
Stratigraphic resolution:bed
Lithology and environment
Primary lithology: argillaceous sandstone
Includes fossils?Y
Environment:delta plain
Geology comments: low-gradient coastal plain
Taphonomy
Modes of preservation:mold/impression,trace
Size of fossils:macrofossils
Spatial orientation:life position
Preservation of anatomical detail:medium
Associated major elements:all
Temporal resolution:snapshot
Spatial resolution:autochthonous
Collection methods and comments
Collection methods:surface (in situ),observed (not collected)
Reason for describing collection:paleoecologic analysis
Metadata
Also known as:Porvenir de Jalpa, Drunk Hadrosaur, Hadrosaurio Borracho
Database number:55327
Authorizer:M. Carrano Enterer:M. Carrano
Modifier:M. Carrano Research group:vertebrate
Created:2005-10-10 08:32:14 Last modified:2025-02-22 15:12:02
Access level:the public Released:2005-10-10 08:32:14
Creative Commons license:CC0
Reference information

Primary reference:
23459.ETE R. A. Rodríguez-de la Rosa, D. A. Eberth, D. B. Brinkman, S. D. Sampson, and J. López-Espinoza. 2003. Dinosaur tracks from the late Campanian Las Aguilas locality, southeastern Coahuila, Mexico. Journal of Vertebrate Paleontology 23(3):90A [M. Carrano/M. Carrano]

Secondary references:

82044 V. M. Bravo-Cuevas and R. A. Rodríguez-de la Rosa. 2014. A summary of the Mesozoic vertebrate tracks of Mexico. In H. E. Rivera-Sylva, K. Carpenter, & E. Frey (eds.), Dinosaurs and Other Reptiles from the Mesozoic of Mexico 181-192 [M. Carrano/M. Carrano]
27001ETE D. A. Eberth, C. R. Delgado-de Jesús, J. F. Lerbekmo, D. R. Brinkman, R. A. Rodríguez-de Rosa and S. D. Sampson. 2004. Cerro del Pueblo Fm (Difunta Group, Upper Cretaceous), Parras Basin, southern Coahuila, Mexico: reference sections, age, and correlation. Revista Mexicana de Ciencias Geológicas 21(3):335-352 [M. Carrano/M. Carrano]
55641 A. A. Ramírez-Velasco, R. Hernández-Rivera, and R. Servin-Pichardo. 2014. The hadrosaurian record from Mexico. In D. A. Eberth & D. C. Evans (ed.), Hadrosaurs 340-360 [M. Carrano/M. Carrano]
70689 H. E. Rivera-Sylva, E. D. Frey, A. S. Schulp, C. A. Meyer, B. Thüring, W. Stinnesbeck, and V. Vanhecke. 2018. Late Campanian theropod trackways from Porvenir de Jalpa, Coahuila, Mexico. Palaeovertebrata 41(2):e1:1-6 [M. Carrano/M. Carrano]
30640ETE H. E. Rivera-Sylva, R. Rodríguez-de la Rosa, and J. A. Ortiz-Mendieta. 2006. A review of the dinosaurian record from Mexico. In editors: F. J. Vega, T. G. Nyborg, M. d. C. Perrilliat, M. Montellano-Ballestero (eds.), Studies on Mexican Paleontology; Topics in Geobiology 24:233-248 [M. Carrano/M. Carrano]
82049 R. A. Rodríguez de la Rosa. 2007. Hadrosaurian footprints from the Late Cretaceous Cerro del Pueblo Formation of Coahuila, Mexico. In E. Díaz-Martínez & I. Rábano (ed.), 4th European Meeting on the Palaeontology and Stratigraphy of Latin America. Cuadernos del Museo Geominero 8:339-343 [M. Carrano/M. Carrano]
76551 R. A. Rodríguez de la Rosa, A. Rubén, D. A. Eberth, S. D. Sampson, D. B. Brinkman and J. I. Vallejo-González. 2006. Huellas fósiles de vertebrados y aspectos paleoecológicos de un sitio del Cretácico Tardío de Coahuila, México [Fossil vertebrate tracks and paleoecological aspects of a site in the Late Cretaceous of Coahuila, Mexico]. Memorie del X Congreso Nacional de Paleontología. Universidad Nacional Autónoma de México, Instituto de Geología, Publicacion Especial 5:69 [M. Carrano/M. Carrano/M. Carrano]
47964 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]
14814ETE R. A. Rodríguez-de la Rosa, D. A. Eberth, S. D. Sampson, D. B. Brinkman, and M. Aguillen-Martínez. 2005. An unusual ornithopod trackway from the Upper Cretaceous of the Cerro del Pueblo Formation, Coahuila, Mexico. Journal of Vertebrate Paleontology 25(3, suppl.):106A [M. Carrano/M. Carrano/M. Carrano]