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South American Dinosaurs

As a result of continuing fieldwork in the Mesozoic of Patagonia (Argentina) and collaborative work with Research Associate Rodolfo Coria (Museo Municipal Carmen Funes, Plaza Huincul), we have developed a productive research program aimed at studying the diversity and evolution of Mesozoic dinosaurs (including birds) in Argentina, home of the richest dinosaur localities of South America. The recognition of new species and the study of the physical characteristics of the dinosaurs that inhabited this part of the world are some of the main objectives of this program. Our program also aims to understand the transformations that occurred in the dinosaur faunas of Patagonia during the last 25 million years of Mesozoic history.


1999. Frankfurt, N. G. & L. M. Chiappe. A new theropod vertebra from the Upper Cretaceous of Northwestern Argentina. Journal of Vertebrate Paleontology 19(1): 101-105. 

2001. Coria, R. A. A. & L. M. Chiappe. Tooth replacement in a sauropod premaxilla from the Upper Cretaceous of Patagonia. Ameghiniana 38(4): 463-466. 

2002. Coria, R. A. A., Chiappe, L. M., & L. Dingus. A new close relative of Carnotaurus sastrei Bonaparte (Abelisauridae: Theropoda) from the Late Cretaceous of Patagonia. Journal of Vertebrate Paleontology 22(2): 460-465. 

2003. Chiappe, L. M. & R. A. Coria. A new specimen of Patagonykus puertai (Alvarezsauridae: Theropoda) from the Late Cretaceous of Patagonia. Ameghiniana 40(1): 119-122. 

2005. Chiappe, L. M. & R. A. Coria. El extraordinario sitio de nidificación de dinosaurios de Auca Mahuevo (Cretácico tardío, Neuquén, Argentina). Ameghiniana 41(4): 591-596.

2005. Chiappe, L. M., Coria, R. A. A., Jackson, F., & L. Dingus. The Late Cretaceous nesting site of Auca Mahuevo (Patagonia, Argentina): Eggs, nests, & embryos of titanosaurian sauropods. Palaeovertebrata 32(2-4):97-108. 

2007. Fuente, M.S., Salgado, L., Albino, A., Baez, A.M., Bonoparte, J.F., Calvo, J.O., Chiappe, L.M., Codorniu, L.S., Coria, R.A., Gasparini, Zulma, Gonzalez Riga, B.J., Novas, F.E., and D. Pol. Terapodos Continentales del Cretacico de la Argentina: Una Sintesis Actualizada. Asociacion Paleontologica Argentina. Publicacaion Especial 11 Ameghiniana 50 Aniversario: 137-153.

2008. Carabajal, A.P., Coria, R.A., and L.M. Chiappe. An Incomplete Upper Cretaceous Titanosaur (Sauropoda) Braincase: New Insights on the Dinosaurian Inner Ear and Endocranium. Cretaceous Research 29: 643-648.

2009. Salgado, L., Coria, R.A., Arcucci, A.B., and L.M. Chiappe. Restos de Alvarezsauridae (Theropoda, Coelurosauria) en la Formacion Allen (Campaniano-Maastrichtiano), en Salitral Ojo de Agua, Provincia de Rio Negro, Argentina. Andea Geology 36 (1): 67-80.