Where: Coahuila, Mexico (25.7° N, 101.4° W: paleocoordinates 32.1° N, 78.0° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Difunta Group, Campanian to Campanian (83.5 - 65.5 Ma)

• "Tayloran + Navarroan" age (= "Bellyriveran"); fossils 980 ft above base of cuesta

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; brown, gray sandstone

Size class: macrofossils

Collected by 1959

Collection methods: quarrying, surface (float), surface (in situ), mechanical,

Primary reference: G. E. Murray, D. R. Boyd, J. A. Wolleben and J. A. Wilson. 1960. Late Cretaceous fossil locality, eastern Parras Basin, Coahuila, Mexico. Journal of Paleontology 34(2):368-370 [M. Carrano/M. Carrano/M. Carrano] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 51545: authorized by Matt Carrano, entered by Matt Carrano on 07.06.2005