Aeolosaurus rionegrinus

†Aeolosaurus rionegrinus was a titanosaurian sauropod from the Late Cretaceous (~80 Ma) of Río Negro Province, Argentina. This large quadrupedal herbivore is the type species of the genus †Aeolosaurus. Named by Powell in 1987, it was recovered from the Allen Formation. Its distinctive caudal vertebrae morphology defines the aeolosaurine titanosaur clade.

Diet & Feeding

Herbivore

Aeolosaurus rionegrinus was a plant-eating dinosaur. Herbivores typically fed on ferns, cycads, conifers, and other vegetation available during their era. Many herbivorous dinosaurs developed specialized teeth and digestive systems for processing tough plant material.

Time Period

Cretaceous Late Mesozoic Era

Aeolosaurus rionegrinus lived during the Cretaceous Late period of the Mesozoic Era, approximately 100.5 to 66.0 million years ago.

The final age of dinosaurs, featuring iconic species like Tyrannosaurus rex, Triceratops, and Velociraptor. Dinosaurs reached their peak diversity before the catastrophic asteroid impact at the Chicxulub crater ended the Mesozoic Era.