CU-8, Cuencame, Bed 4, Durango: Late Valanginian, Mexico

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Cephalopoda - Ammonitida - Olcostephanidae
Olcostephanus (Jeannoticeras) colorinensis
Cephalopoda - Ammonitida - Bochianitidae
Bochianites sp. Lory 1898
Cephalopoda - Ammonitida - Oosterellidae
Oosterella cultrata (d'Orbigny 1841)
Oosterella begastrensis Company 1987
Cephalopoda - Ammonitida - Neocomitidae
Rodighieroites belimelensis (Mandov 1976)
see common names

Geography
Country:Mexico
Coordinates: 24.7° North, 103.5° West (view map)
Paleocoordinates:22.0° North, 56.4° West
Basis of coordinate:stated in text
Geographic resolution:small collection
Time
Period: Cretaceous Epoch: Early Cretaceous
Stage: Valanginian 10 m.y. bin: Cretaceous 1
Key time interval: Late Valanginian
Age range of interval: 139.8 - 132.6 m.y. ago
Stratigraphy
Formation:Taraises
Local section:CU-8 Local bed:4
Local order:bottom to top
Stratigraphic resolution:bed
Stratigraphy comments: base of the upper member of the formation, Neocomites peregrinus zone
Lithology and environment
Primary lithology: lithified "limestone"
Lithology description: marly limestone
Environment:marine indet.
Taphonomy
Size of fossils:macrofossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:biostratigraphic analysis
Metadata
Database number:74352
Authorizer:W. Kiessling Enterer:U. Merkel
Research group:marine invertebrate
Created:2007-08-03 06:21:03 Last modified:2007-08-03 09:21:03
Access level:the public Released:2007-08-03 06:21:03
Creative Commons license:CC BY
Reference information

Primary reference:
24965. C. Gonzalez-Arreola and R. Barragan. 2007. Oosterella (Ammonoidea) from the Taraises Formation (Upper Valanginian), Durango, northeast Mexico. Cretaceous Research 28:419-427 [W. Kiessling/U. Merkel]