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Temporal range: Late Cretaceous, 80 Ma
Abelisaurus skull.jpg
Reconstruction of the Abelisaurus skull with original bones of the holotype. Scale = 10 cm
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Clade: Dinosauria
Order: Saurischia
Suborder: Theropoda
Family: Abelisauridae
Clade: Brachyrostra
Tribe: Carnotaurini
Genus: Abelisaurus
Bonaparte & Novas, 1985
Type species
Abelisaurus comahuensis

Abelisaurus is a genus of theropod dinosaur that lived in South America during the Upper Cretaceous period. There is one known species, Abelisaurus comahuensis.[2]

Abelisaurus was the first abelisaurid to be discovered, and gives its name to the family, the Abelisauridae. Abelisaurus is the type genus. Despite this, little is known about it.[2]

The first, and only, fossils discovered were several skull bones found in Argentina. Scientists put them back together in the lab to create a skull. The skull is similar to that of other members of its family. Like most abelisaurs, it is blunt and short in length, but tall in vertical height from a front view. Abelisaurus probably preyed on the large sauropod dinosaurs of the time, such as Antarctosaurus, in packs. It may also have hunted smaller plant-eating dinosaurs, such as the small ornithopod Gasparinisaura.[3]

References[change | change source]

  1. Coria, R. A.; Chiappe, L. M.; Dingus, L. (2002). "A new close relative of Carnotaurus sastrei Bonaparte 1985 (Theropoda: Abelisauridae) from the Late Cretaceous of Patagonia". Journal of Vertebrate Paleontology. 22 (2): 460. doi:10.1671/0272-4634(2002)022[0460:ANCROC]2.0.CO;2.
  2. 2.0 2.1 Bonaparte, J.F. & Novas, F.E. (1985). "Abelisaurus comahuensis, n.g., n.sp., Carnosauria del Crétacico Tardio de Patagonia". Ameghiniana. 21: 259-265. [In Spanish]
  3. Paul, G.S., 2010, The Princeton Field Guide to Dinosaurs, Princeton University Press p. 79