LSU Cuesta "A" invertebrates, Hipolito: Maastrichtian, Mexico
collected by 1959

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Bivalvia - Myalinida - Inoceramidae
"several species"
Bivalvia - Ostreida - Ostreidae
Ostrea sp. Linnaeus 1758
"several species"
Cephalopoda - Ammonitida - Sphenodiscidae
see common names

Geography
Country:Mexico State/province:Coahuila
Coordinates: 25.7° North, 101.4° West (view map)
Paleocoordinates:36.6° North, 71.0° West (Wright 2013)
Basis of coordinate:based on nearby landmark
Altitude:1136 meters
Geographic resolution:outcrop
Time
Period: Cretaceous Epoch: Late Cretaceous
Stage: Maastrichtian 10 m.y. bin: Cretaceous 8
Key time interval: Maastrichtian
Age range of interval: 72.2 - 66 m.y. ago
Stratigraphy
Geological group:Difunta
Stratigraphic resolution:group of beds
Stratigraphy comments: "Navarroan" age
Lithology and environment
Primary lithology:brown,gray sandstone
Secondary lithology: "shale"
Includes fossils?Y
Lithology description: "a gray to brown fossiliferous sand and shale sequence"
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Associated major elements:some
Disassociated major elements:some
Disassociated minor elements:some
Collection methods and comments
Collection excludes:species names
Collection methods:selective quarrying,surface (float),surface (in situ),mechanical,field collection
Reason for describing collection:taxonomic analysis
Collectors:1959
Metadata
Database number:51546
Authorizer:M. Carrano Enterer:M. Carrano
Modifier:M. Carrano Research group:marine invertebrate
Created:2005-06-07 13:36:37 Last modified:2025-02-22 15:12:02
Access level:the public Released:2005-06-07 13:36:37
Creative Commons license:CC0
Reference information

Primary reference:
13709.ETE G. E. Murray, D. R. Boyd, J. A. Wolleben and J. A. Wilson. 1960. Late Cretaceous fossil locality, eastern Parras Basin, Coahuila, Mexico. Journal of Paleontology 34(2):368-370 [M. Carrano/M. Carrano/M. Carrano]