Acrotholus audeti

†Acrotholus audeti was a pachycephalosaurid dinosaur from the Late Cretaceous (~83 Ma) of Alberta, Canada. A small bipedal herbivore only about 1.8m long, it possessed a thick dome-shaped skull used for intraspecific combat. Named by Evans et al. in 2013, it is one of the oldest and smallest pachycephalosaurids known from North America.

Diet & Feeding

Herbivore

Acrotholus audeti 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

Acrotholus audeti 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.