Where: Coahuila de Zaragoza, Mexico (27.3° N, 102.0° W: paleocoordinates 27.0° N, 68.1° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Buda Limestone Formation, Early/Lower Cenomanian (99.6 - 93.5 Ma)

• STRATIGRAPHIC RELATIONS: From the Buda Limestone, which overlies the Del Rio Fm (Cenomanian), and is correlative with the Grasyon Fm. AGE: Early Cenomanian, on the basis of ammonite biostratigraphy. STRATIGRAPHIC POSITION: From unknown position within the formation.

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified limestone

Size class: macrofossils

Collection methods: COLLECTOR: Loczo et al. REPOSITORY: UT and WSA.

Primary reference: K. Young. 1979. Lower Cenomanian and Late Albian (Cretaceous) ammonites, especially Lyelliceridae, or Texas and Mexico. Texas Memorial Museum Bulletin 26:1-99 [A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 88768: authorized by Austin Hendy, entered by Austin Hendy on 19.04.2009

Creative Commons license: CC BY (attribution)