Where: Oaxaca, Mexico (17.1° N, 97.5° W: paleocoordinates 13.6° N, 52.0° W)
• coordinate stated in text
• small collection-level geographic resolution
When: Sabinal Formation, Early/Lower Valanginian (140.2 - 136.4 Ma)
• bed-level stratigraphic resolution
Environment/lithology: lithified marl
Size class: macrofossils
Preservation: mold/impression
Collection methods: Repository: Coleccion de Paleontología de Coahuila (CPC), at the Museo del Desierto, Saltillo, Coahuila state, Mexico
Primary reference: P. Zell, W. Stinnesbeck, S. Beckmann, T. Adatte, and F. Hering. 2015. The Berriasian-Valanginian (Early Cretaceous) boundary transition at Santa Catarina Ticuá, Oaxaca state, southern Mexico: ammonites, bivalves, calpionellids and their paleobiogeographic significance. Journal of South American Earth Sciences 62:33-57 [M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 171680: authorized by Matthew Clapham, entered by Matthew Clapham on 16.07.2015
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Parrasites cf. victoriensis Imlay 1938 ammonite
Acanthodiscus cf. magnificus Imlay 1938 ammonite | |
Ceratotuberculus aff. linguituberculatus Imlay 1938 ammonite | |
Bivalvia | |
Arctotis cretacea Felix 1890 scallop |