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 Verde Member (La Caja Formation), Late/Upper Tithonian (150.8 - 145.0 Ma)
• 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 197758: authorized by Matthew Clapham, entered by Matthew Clapham on 24.11.2018
Creative Commons license: CC BY (attribution)
Taxonomic list
| Cephalopoda | |
"Durangites aff. rarifurcatus" = Parrasiella rarifurcatus, Durangites vulgaris, Durangites heilprini, Durangites alencasteri, ? Corongoceras sp., Micracanthoceras acanthellum
"Durangites aff. rarifurcatus" = Parrasiella rarifurcatus Imlay 1939 ammonite
Durangites vulgaris Burckhardt 1912 ammonite
Durangites heilprini Aguilera 1895 ammonite
Durangites alencasteri Verma and Westermann 1973 ammonite
? Corongoceras sp. ammonite
Micracanthoceras acanthellum Imlay 1939 ammonite | |