Eastern Parras Basin, delta flank: Maastrichtian, Mexico

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Bivalvia - Ostreida - Ostreidae
14 specimens
Bivalvia - Pectinida - Limidae
2 specimens
Bivalvia - Myalinida - Inoceramidae
1 specimen
Gastropoda - Turritellidae
10 specimens
Anthozoa - Scleractinia - Caryophylliidae
3 specimens
    = Trochocyathus speciosus Gabb and Horn 1860
Baron-Szabo 2008
see common names

Geography
Country:Mexico State/province:Coahuila
Coordinates: 25.8° North, 101.3° West (view map)
Paleocoordinates:36.6° North, 70.9° West (Wright 2013)
Basis of coordinate:estimated from map
Geographic resolution:local area
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 Formation:Tanque
Stratigraphic resolution:group of beds
Lithology and environment
Primary lithology: lithified "siliciclastic"
Secondary lithology: lithified "limestone"
Environment:deltaic indet.
Geology comments: delta flank
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection excludes:some macrofossils
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Metadata
Database number:87252
Authorizer:W. Kiessling Enterer:U. Merkel
Modifier:M. Clapham Research group:marine invertebrate
Created:2009-03-12 08:43:35 Last modified:2025-02-22 15:12:02
Access level:authorizer only Released:2010-03-12 08:43:35
Creative Commons license:CC0
Reference information

Primary reference:
29381. J. A. Wolleben. 1977. Paleontology of the Difunta Group (Upper Cretaceous-Tertiary) in northern Mexico. Journal of Paleontology 51(2):373-398 [W. Kiessling/U. Merkel]

Secondary references:

29068 R. Baron-Szabo. 2008. Corals of the KT-boundary: Scleractinian corals of the suborders Dendrophylliina, Caryophylliina, Fungiina, Microsolenina, and Stylinina. Zootaxa 1952:1-244 [W. Kiessling/W. Kiessling]