Aucasaurus

Aucasaurus

† Aucasaurus garridoi was a Late Cretaceous abelisaurid ceratosaur from the Anacleto Formation of Neuquén, Argentina. Smaller than Carnotaurus at roughly 5 m long, this bipedal carnivore possessed vestigial forelimbs and facial ornamentation. A nearly complete skeleton including cranial material was recovered, making it one of the best-known South American abelisaurids.

Diet & Feeding

Carnivore

Aucasaurus 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

Aucasaurus 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.

Discovery & Naming

Discovery Location Argentina

Quick Facts

Geologic Period Cretaceous Late
Diet Carnivore

Frequently Asked Questions

When did Aucasaurus live?
Aucasaurus lived during the Cretaceous Late period (Mesozoic Era, 100.5–66.0 million years ago).
What did Aucasaurus eat?
Aucasaurus was a carnivore.
Where were Aucasaurus fossils found?
Fossils of Aucasaurus were found in Argentina.

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