El Mesón: Late Campanian, Mexico
collected by J. A. Wilson, E. H. Colbert 1956

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia
see common names

Geography
Country:Mexico State/province:Coahuila
Coordinates: 25.4° North, 101.3° West (view map)
Paleocoordinates:34.5° North, 68.1° West (Wright 2013)
Basis of coordinate:estimated from map
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
Stratigraphic resolution:group of beds
Stratigraphy comments: "Unit I"
Lithology and environment
Primary lithology:red "siliciclastic"
Includes fossils?Y
Lithology description: "redbeds"
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection methods:surface (float),field collection
Reason for describing collection:general faunal/floral analysis
Collectors:J. A. Wilson, E. H. Colbert Collection dates:1956
Collection method comments: found "during an excursion of the XXth International Geological Congress"
Metadata
Database number:187323
Authorizer:M. Carrano Enterer:M. Carrano
Modifier:M. Carrano Research group:vertebrate
Created:2017-07-20 13:01:17 Last modified:2025-02-22 15:12:02
Access level:the public Released:2017-07-20 13:01:17
Creative Commons license:CC0
Reference information

Primary reference:

62830. G. E. Murray, D. R. Boyd, C. O. Durham, R. H. Forde, R. M. Lawrence, P. D. Lewis, K. G. Martin, A. E. Weidie, W. P. Wilbert and J. A. Wolleben. 1960. Stratigraphy of Difunta Group, Parras Basin, states of Coahuila and Nuevo Leon, Mexico. In A. Rozenkrantz & F. Brotzen (ed.), International Geological Congress, Report of the 21st Session. Part 5: The Cretaceous-Tertiary Boundary 82-96 [M. Carrano/M. Carrano]