Also known as Tlayua Quarry, Tepexi de Rodrìguez

Where: Puebla, Mexico (18.6° N, 97.9° W: paleocoordinates 16.5° N, 64.2° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Tlayúa Formation, Late/Upper Albian (105.3 - 99.6 Ma)

• Middle Member. Cantu-Chapa (1987) recognized the genus Hysteroceras, Mortoniceras, and cf. Anisoceras, which represent a typical late Albian ammonite assemblage of the European zone, being similar to the Mortoniceras inflatum zone (Applegate et al., 2006).

• group of beds-level stratigraphic resolution

Environment/lithology: lagoonal or restricted shallow subtidal; lithified, brown, yellow lime mudstone

Size class: macrofossils

Preservation: adpression

Collection methods: Repository: Paleontological Museum of the Instituto de Geologia, Universidad Nacional Autonomia de Mexico (IGM UNAM)

Primary reference: S. P. Applegate. 1988. A new genus and species of a holostean belonging to the family Ophiopsidae, Teoichthys kallistos, from the Cretaceous, near Tepexi de Rodriguez, Puebla. Revista del Instituto de Geología, Universidad Nacional Autónoma de México 7:200-205 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 136733: authorized by Shanan Peters, entered by Sharon McMullen on 03.12.2012, edited by Matthew Clapham

Creative Commons license: CC BY (attribution)