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Temporal range: Late Cretaceous 72–66 Ma
Fêmur de Aeolossauro (MPMA).jpg
Left femur of A. maximus
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Clade: Dinosauria
Clade: Saurischia
Suborder: Sauropodomorpha
Clade: Sauropoda
Clade: Titanosauria
Clade: Lithostrotia
Clade: Aeolosaurini
Genus: Aeolosaurus
Powell, 1987
  • A. rionegrinus Powell, 1987 (type)
  • A. colhuehuapensis Casal et al., 2007
  • A. maximus Santucci & De Arruba-Campos, 2011

Aeolosaurus (/ˌlˈsɔːrəs/; "Aeolus' lizard") is a well-known titanosaur sauropod. Aeolosaurus is well known for a titanosaur, as it is represented by the remains of several individuals belonging to at least three species. However, like most sauropods, no remains of the skull are known. The holotype of Aeolosaurus rionegrinus consists of a series of seven tail vertebrae, as well as parts of both forelimbs and the right hindlimb. It was discovered in Argentina and is about about 83 to 74 million years old.