Argentinosaurus BW

Illustration of Argentinosaurus

Argentinosaurus was a large sauropod dinosaur from the Cretaceous of Argentina.


Argentinosaurus remains are incomplete, but from what we can determine it was one of the largest known dinosaurs, measuring up to 30 meters or more in length[1] and weighing 80 to 100 tonnes.[2]


Argentinosaurus was a sauropod dinosaur belonging in the clade Titanosauria.[3] Its full binomial name is Argentinosaurus huinculensis.


Fossils of Argentinosaurus were discovered in the Huincul Formation of Neuquén Province, Argentina. It was described in 1993 by paleontologists Jose Bonaparte and Rodolfo Coria.[4]


  1. Paul, Gregory S. (Fall 1994). "Big Sauropods - Really, Really Big Sauropods". The Dinosaur Report. The Dinosaur Society. pp. 12–13.
  2. Paul, Gregory S. (1997). "Dinosaur models: the good, the bad, and using them to estimate the mass of dinosaurs". In Wolberg, D. L.; Stump, E.; Rosenberg, G. D. DinoFest International Proceedings. The Academy of Natural Sciences. pp. 129–154.
  3. Weishampel, David B.; Dodson, Peter; Osmólska, Halszka, ed. (2004). The Dinosauria, Second Edition. Berkeley: University of California Press. ISBN 0-520-24209-2.
  4. Bonaparte J, Coria R (1993). "Un nuevo y gigantesco sauropodo titanosaurio de la Formacion Rio Limay (Albiano-Cenomaniano) de la Provincia del Neuquen, Argentina". Ameghiniana 30 (3): 271–282. (English)