HB Quarry, Rincon Colorado (Cretaceous of Mexico)

Where: Coahuila, Mexico (25.5° N, 101.4° W: paleocoordinates 31.6° N, 76.0° W)

• coordinate based on nearby landmark

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

• middle facies of formation

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

• no details given

Size class: macrofossils

Collected in 2002

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 24261: authorized by John Alroy, entered by John Alroy on 03.08.2002, edited by Monica Arakaki, Jason Cassara, Patricia Holroyd and Matthew Carrano

Creative Commons license: CC BY (attribution)

Taxonomic list

 Amiiformes - Amiidae
cf. Melvius sp. Bryant 1987 bowfin
 Lepisosteiformes - Lepisosteidae
Lepisosteidae indet. Cuvier 1825 gar
 Testudines - Trionychidae
Trionychidae indet. Gray 1825 softshell turtle
 Testudines -
Compsemys sp.1 Leidy 1856 turtle
 Testudines - Adocidae
Adocus sp.1 Cope 1868 turtle
 Testudines - Kinosternoidea
cf. Hoplochelys sp. Hay 1908 mud turtle
 Testudines - Panchelydridae
 Theropoda -
 Neornithischia - Ceratopsidae
Centrosaurinae indet.2 Lambe 1915 ceratopsid
CPC 279
 Neornithischia - Hadrosauridae
Hadrosaurinae indet. Lambe 1918 hadrosaurine
several individuals
 Loricata -
Eusuchia indet. Huxley 1875 crocodilian
 Loricata - Goniopholididae
Goniopholididae indet. Cope 1875 crocodilian