Where: Mexico (23.6° N, 100.9° 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)
• Bed (o), 3 m thick
• group of beds-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 197975: authorized by Matthew Clapham, entered by Matthew Clapham on 04.12.2018
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Andiceras monserrati Aguilera 1895 ammonite | |
Subdichotomoceras aff. inversum Spath 1931 ammonite
Aulacosphinctoides lauri Aguilera 1895 ammonite
Virgatosphinctes sanchezi Verma and Westermann 1973 ammonite | |
Phylloceras cf. subplicatius Burckhardt 1912 ammonite |