Where: San Luis Potosí , Mexico (23.6° N, 100.8° W: paleocoordinates 19.3° N, 52.5° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: El Pastor Member (La Caja Formation), Early/Lower Tithonian (150.8 - 145.0 Ma)
Environment/lithology: lithified, condensed, 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 192488: authorized by Alexis Rojas, entered by Alexis Rojas on 09.04.2018
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
"Virgatosphinctes" sp. Uhlig 1910 ammonite | |
"Kossmatia" sp. Uhlig 1907 ammonite |