Where: Coahuila de Zaragoza, Mexico (26.4° N, 103.3° W: paleocoordinates 25.3° N, 65.1° W)
• outcrop-level geographic resolution
When: Indidura Formation, Albian (112.0 - 99.6 Ma)
• STRATIGRAPHIC RELATIONS: From the Indidura Fm, which overlies the Aurora Limestone. AGE: Cenomanian, on the basis of biostratigraphic correlation to better dated Texan lithostratigraphic units, and ammonite biostratigraphy. STRATIGRAPHIC POSITION: From 100 ft higher in section than Loc. 61-98, at the highest expoure of the formation observed in the regional section.
• bed-level stratigraphic resolution
Environment/lithology: marine; lithified lithology not reported
Size class: macrofossils
Collected by Kellum in 1951; reposited in the UMMP
Collection methods: surface (float), surface (in situ),
• COLLECTOR: Kellum, 1951. REPOSITORY: UMMP.
Primary reference: L. B. Kellum and L. W. Mintz. 1962. Cenomanian ammonites from the Sierra de Tlahualilo, Coahuila, Mexico. Contributions from the Museum of Paleontology, University of Michigan 13(10):267-287 [A. Hendy/A. Hendy/J. Alroy] more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 88645: authorized by Austin Hendy, entered by Austin Hendy on 17.04.2009
Creative Commons license: CC BY-NC-ND (attribution-noncommercial-no derivatives)