Cerro del Pueblo Formation

From Wikipedia, the free encyclopedia
Jump to: navigation, search
Cerro del Pueblo Formation
Stratigraphic range: Campanian-Maastrichtian, 72.5–71.4 Ma
Cerro del Pueblo Coahuila.jpg
Type Geological formation
Location
Region  Coahuila
Country  Mexico

The Cerro del Pueblo Formation is a geological formation in Coahuila, Mexico whose strata date back to the Late Cretaceous. Dinosaur remains are among the fossils that have been recovered from the formation.[1] The formation has been dated to between 72.5 Ma and 71.4 million years old.[2]

Vertebrate paleofauna[edit]

Dinosaurs[edit]

Color key
Taxon Reclassified taxon Taxon falsely reported as present Dubious taxon or junior synonym Ichnotaxon Ootaxon Morphotaxon
Notes
Uncertain or tentative taxa are in small text; crossed out taxa are discredited.
Dinosaurs reported from the Cerro del Pueblo Formation
Genus Species Location Member Material Notes Images

Ceratopsia

Indeterminate

Coahuilaceratops[3]

C. magnacuerna[3]

Middle

CPC 276, a partial skeleton (including several skull elements) of an adult, CPS 277, possibly a juvenile.[3]

Gryposaurus

G. sp.

Reclassified as belonging to the new genus Latirhinus.[4]

Kritosaurus[5]

K. navajovius[5]

IGM 6685, a fragmentary skull represented by the rostral regions of both premaxillae and probably the rostralmost portions of the maxillae.[5]

A kritosaurin hadrosaurid, referred to K. navajovius.

Latirhinus[4]

L. uitstlani[4]

IGM 6583, a fragmentary skeleton including a partial right nasal, and postcranial elements.[4]

A kritosaurin hadrosaurid.

Hadrosauridae

Indeterminate

Velafrons

V. coahuilensis

Middle

A lambeosaurin hadrosaurid

Pterosaurs[edit]

Pterosaurs of the Cerro del Pueblo Formation
Taxa Presence Description Images

Ichnogenus:

  • Found at Saltillo, Coahuila Province.[6]
  • Specimens kept at the Dinosaur Tracks Museum, of the University of Colorado at Denver and the Secretaría de Educación Pública de Coahuila, Mexico.[6]

Turtles[edit]

Turtles of the Cerro del Pueblo Formation
Taxa Description Images

Euclastes coahuilaensis

Sea turtle, reclassified as belonging to the new genus Mexichelys.[7]

Mexichelys coahuilaensis[7]

New genus for Euclastes coahuilaensis, sea turtle.

See also[edit]

References[edit]

  1. ^ Weishampel, David B; et al. (2004). "Dinosaur distribution (Late Cretaceous, North America)." In: Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. Pp. 574-588. ISBN 0-520-24209-2.
  2. ^ Loewen, M. A., Sampson, S. D., Lund, E. K., Farke, A. A., Aguillón-Martínez, M. C., de Leon, C. A., ... & Eberth, D. A. (2010). Horned dinosaurs (Ornithischia: Ceratopsidae) from the Upper Cretaceous (Campanian) Cerro del Pueblo Formation, Coahuila, Mexico. New perspectives on horned dinosaurs. Edited by MJ Ryan, BJ Chinnery-Allgeier, and DA Eberth. Indiana University Press, Bloomington, 99-116. Chicago
  3. ^ a b c Loewen, M.A., Sampson, S.D., Lund, E.K., Farke, A.A., Aguillón-Martínez, M.C., de Leon, C.A., Rodríguez-de la Rosa, R.A., Getty, M.A., Eberth, D.A., 2010, "Horned Dinosaurs (Ornithischia: Ceratopsidae) from the Upper Cretaceous (Campanian) Cerro del Pueblo Formation, Coahuila, Mexico", In: Michael J. Ryan, Brenda J. Chinnery-Allgeier, and David A. Eberth (eds), New Perspectives on Horned Dinosaurs: The Royal Tyrrell Museum Ceratopsian Symposium, Indiana University Press, 656 pp.
  4. ^ a b c d Prieto-Márquez, Albert; Serrano Brañas, Claudia Inés (2012). "Latirhinus uitstlani, a 'broad-nosed' saurolophine hadrosaurid (Dinosauria, Ornithopoda) from the late Campanian (Cretaceous) of northern Mexico". Historical Biology. 24 (6): 607–619. doi:10.1080/08912963.2012.671311. 
  5. ^ a b c Prieto-Márquez, A. (2013). "Skeletal morphology of Kritosaurus navajovius (Dinosauria:Hadrosauridae) from the Late Cretaceous of the North American south-west, with an evaluation of the phylogenetic systematics and biogeography of Kritosaurini". Journal of Systematic Palaeontology. in press. doi:10.1080/14772019.2013.770417. 
  6. ^ a b c Lockley, M.; Harris, J.D.; and Mitchell, L. 2008. "A global overview of pterosaur ichnology: tracksite distribution in space and time." Zitteliana. B28. p. 187-198. ISSN 1612-4138.
  7. ^ a b James F. Parham; Nicholas D. Pyenson (2010). "New Sea Turtle from the Miocene of Peru and the Iterative Evolution of Feeding Ecomorphologies since the Cretaceous". Journal of Paleontology. 84 (2): 231–247. doi:10.1666/09-077R.1.