Where: Mexico (23.6° N, 100.8° W: paleocoordinates 19.3° N, 52.4° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: El Pastor Member (La Caja Formation), Early/Lower Tithonian (150.8 - 145.0 Ma)
• 14 m above base of section. Upper El Pastor Member, Virgatosphinctinae beds
• 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 197760: authorized by Matthew Clapham, entered by Matthew Clapham on 25.11.2018
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Mazapilites mexicanus Aguilera 1895 ammonite
"Paraglochiceras" sp. Collignon 1959 ammonite | |
Pseudolissoceras zitteli Burckhardt 1903 ammonite
Haploceras transatlanticum Burckhardt 1906 ammonite | |
Aspidoceras alamitocense Aguliera 1895 ammonite
Aspidoceras haupti Krantz 1928 ammonite | |
Andiceras lenki Aguilera 1895 ammonite
Andiceras monserrati Aguilera 1895 ammonite | |
Subdichotomoceras aff. inversum Spath 1931 ammonite
Aulacosphinctoides lauri Aguilera 1895 ammonite
Virgatosphinctes sanchezi Verma and Westermann 1973 ammonite | |
? Phylloceras sp. Suess 1865 ammonite
Phylloceras cf. subplicatius Burckhardt 1912 ammonite |