Ejido Piedritas (Cretaceous to of Mexico)

Where: Coahuila, Mexico (28.9° N, 102.2° W: paleocoordinates 34.2° N, 74.4° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Austin Group, Late/Upper Coniacian to Late/Upper Coniacian (89.3 - 70.6 Ma)

• bed-level stratigraphic resolution

Environment/lithology: limestone

Size class: macrofossils

Collection methods: Museo de Múzquiz, Coahuila, Mexico

Primary reference: H. G. Porras-Múzquiz, S. Chaterjee, and T. M. Lehmann. 2014. The carinate bird Ichthyornis from the Upper Cretaceous of Mexico. Cretaceous Research 51:148-152 [P. Mannion/J. Tennant]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 160666: authorized by Philip Mannion, entered by Jonathan Tennant on 26.08.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Aves
 Ornithurae -
Ichthyornis dispar Marsh 1872 bird
MUZ-689, nearly complete right humerus in a slab (MUZ-689A) and a counter slab (MUZ-689B) showing the posterior aspect.