Where: Mexico (23.7° N, 100.9° W: paleocoordinates 19.4° N, 52.5° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: El Verde Member (La Caja Formation), Late/Upper Tithonian (150.8 - 145.0 Ma)
• Fourth bed from top, 1.0 m thick. Kossmatia-Durangites-Corongoceras assemblage.
• bed-level stratigraphic resolution
Environment/lithology: lithified limestone
Size class: macrofossils
Collection methods: Repository: McMaster University
Primary reference: H. M. Verma and G. E. G. Westermann. 1973. The Tithonian (Jurassic) ammonite fauna of Sierra Catorce, San Luis Potosi, Mexico. Bulletins of American Paleontology 63(277):107-320 [P. Wagner/P. Wagner]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 197727: authorized by Matthew Clapham, entered by Matthew Clapham on 23.11.2018
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Corongoceras cordobai Verma and Westermann 1973 ammonite
Corongoceras mendozanum Behrendsen 1892 ammonite |