Tratayenia rosalesi

† Tratayenia rosalesi is a Late Cretaceous megaraptoran theropod from Neuquén Province, Argentina. One of the largest megaraptorans known, it adds to understanding of this enigmatic theropod group and its ecological role in Cretaceous Patagonia.

Diet & Feeding

Carnivore

Tratayenia rosalesi was a meat-eating predator. Carnivorous dinosaurs were active hunters or scavengers, equipped with sharp teeth and claws for catching and consuming prey. They occupied the top of the food chain in their ecosystems.

Time Period

Cretaceous Late Mesozoic Era

Tratayenia rosalesi 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.