Where: Mexico (23.7° N, 100.8° W: paleocoordinates 19.4° N, 52.4° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: El Verde Member (La Caja Formation), Late/Upper Tithonian (150.8 - 145.0 Ma)
• Talus from grey friable limestones and pinkish to yellowish marls of the El Verde Member.
• group of beds-level stratigraphic resolution
Environment/lithology: lithified limestone
Size class: macrofossils
Collection methods: surface (float)
• 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 197747: authorized by Matthew Clapham, entered by Matthew Clapham on 24.11.2018
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
"Berriasella ? lorioli" = Pseudosubplanites lorioli
"Berriasella ? lorioli" = Pseudosubplanites lorioli Zittel 1868 ammonite | |
Kossmatia purisima, Kossmatia bifurcata, Kossmatia flexicostata, Berriasella subprivasensis, Substeueroceras alticostatum
Kossmatia purisima Verma and Westermann 1973 ammonite
Kossmatia bifurcata Aguilera 1895 ammonite
Kossmatia flexicostata Aguilera 1895 ammonite
Berriasella subprivasensis Krantz 1928 ammonite
Substeueroceras alticostatum Imlay 1939 ammonite | |
Corongoceras cordobai Verma and Westermann 1973 ammonite
Corongoceras mendozanum Behrendsen 1892 ammonite |