La Boca Canyon, bed LBC59: Early/Lower Aptian, Mexico

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Cephalopoda - Ammonitida - Acanthohoplitidae
"Gargasiceras" ? adkinski
1 specimen
Cephalopoda - Ammonitida - Douvilleiceratidae
Cheloniceras sp. Hyatt 1903
1 specimen
see common names

Geography
Country:Mexico State/province:Nuevo León
Coordinates: 25.4° North, 100.1° West (view map)
Paleocoordinates:23.9° North, 54.6° West
Basis of coordinate:stated in text
Geographic resolution:outcrop
Time
Period:Cretaceous Epoch:Early/Lower Cretaceous
Stage:Barremian
Key time interval:Early/Lower Aptian Ammonoid zone: Dufrenoyia justinae
Age range of interval:121.40000 - 119.50000 m.y. ago
Stratigraphy
Formation:La Peña
Stratigraphic resolution:bed
Stratigraphy comments: Dufrenoyia scotti/Burckhardtites nazasensis subzone
Lithology and environment
Primary lithology: lithified argillaceous lime mudstone
Environment:slope
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:biostratigraphic analysis
Collection method comments: Repository: Museo María del Carmen Perrilliat M., Colección Nacional de Paleontología, Instituto de Geología, UNAM, Ciudad de Mexico, Mexico
Metadata
Database number:220660
Authorizer:M. Clapham Enterer:M. Clapham
Research group:marine invertebrate
Created:2021-06-12 23:00:32 Last modified:2021-06-12 23:00:32
Access level:the public Released:2021-06-12 23:00:32
Creative Commons license:CC BY
Reference information

Primary reference:
77130. R. Barragán, J. A. Moreno-Bedmar, F. Núñez-Useche, L. F. Álvarez-Sánchez, and G. Delanoy. 2021. Ammonite biostratigraphy of two stratigraphic sections of the La Peña Formation (Aptian, Lower Cretaceous) in Nuevo León State, northeast Mexico. Cretaceous Research 125(104862) [M. Clapham/M. Clapham]