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 171682: authorized by Matthew Clapham, entered by Matthew Clapham on 16.07.2015
Creative Commons license: CC BY (attribution)
Taxonomic list
| Bivalvia | |
|
Arctotis cretacea Felix 1890 scallop | |
| Cephalopoda | |
Neocomites cf. neocomiensis, Distoloceras cf. capulinense, Distoloceras parritense, Parrasites cf. victoriensis
Neocomites cf. neocomiensis d'Orbigny 1841 ammonite
Distoloceras cf. capulinense Imlay 1938 ammonite
Distoloceras parritense Imlay 1937 ammonite
Parrasites cf. victoriensis Imlay 1938 ammonite | |
|
Protancyloceras cf. catalinense Imlay 1942 ammonoid | |