La Rosa (Cerro del Pueblo Formation) (Cretaceous of Mexico)

Where: Coahuila, Mexico (25.5° N, 101.4° W: paleocoordinates 31.7° N, 75.9° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Cerro del Pueblo Formation (Difunta Group), Late/Upper Campanian (83.5 - 70.6 Ma)

• no details given

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

• no details given
• no details given

Size class: macrofossils

Collection methods: no details given

Primary reference: R. A. Rodriguez-de la Rosa and S. R. S. Cevallos-Ferriz. 1998. Vertebrates of the El Pelillal locality (Campanian, Cerro del Pueblo Formation), southeastern Coahuila, Mexico. Journal of Vertebrate Paleontology 18(4):751-764 [J. Alroy/J. Alroy/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 24260: authorized by John Alroy, entered by John Alroy on 03.08.2002, edited by Monica Arakaki and Jason Cassara

Creative Commons license: CC BY (attribution)

Taxonomic list

 Amiiformes - Amiidae
cf. Melvius sp. Bryant 1987 bowfin
 Testudines - Trionychidae
Trionychidae indet. Gray 1825 softshell turtle
 Testudines - Kinosternoidea
cf. Hoplochelys sp. Hay 1908 mud turtle
 Theropoda -
 Neornithischia - Hadrosauridae
Hadrosaurinae indet. Lambe 1918 hadrosaurine
caudal vertebrae, ulna, femur, tibia
 Loricata - Goniopholididae
Goniopholididae indet. Cope 1875 crocodilian