Where: San Luis Potosí , Mexico (23.6° N, 100.9° W: paleocoordinates 18.7° N, 51.6° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: El Pastor Member (La Caja Formation), Early/Lower Kimmeridgian (155.7 - 150.8 Ma)
Environment/lithology: lithified marl and ferruginous, silty limestone
Size class: macrofossils
Preservation: cast, mold/impression
Collection methods: quarrying,
Primary reference: F. Olóriz, A. B. Villaseñor, C. Gonzalez-Arreola and G. E. G. Westermann. 1999. Ammonite Biostratigraphy and Correlations in the Upper Jurassic-Lowermost Cretaceous La Caja Formation of North-Central Mexico (Sierra de Catorce, San Luis de Potosí). In F. Olóriz, F. J. Rodríguez-Tovar (eds.), Advancing Research on Living and Fossil Cephalopods 550 [A. Rojas/A. Rojas]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 192469: authorized by Alexis Rojas, entered by Alexis Rojas on 09.04.2018
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Schaireria neoburgensis Oppel 1863 ammonite | |
Andiceras sp. ammonite
Kossmatia sp. Uhlig 1907 ammonite | |
Lemencia "sp. A" Donze and Enay 1961 ammonite | |
Subdichotomoceras sp. Spath ammonite | |
Phylloceras sp. Suess 1865 ammonite |