Austrocheirus isasii

† Austrocheirus isasii was a Late Cretaceous theropod from the Pari Aike Formation of Santa Cruz Province, Argentina. Known primarily from forelimb and hand elements, this carnivore shows a mosaic of features that challenge simple classification, contributing to debates about the diversity of Gondwanan non-abelisaurid theropods in the latest Cretaceous.

Diet & Feeding

Carnivore

Austrocheirus isasii 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

Austrocheirus isasii 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.