Achelousaurus horneri

Achelousaurus horneri

extinct species of centrosaurine ceratopsian

Diet & Feeding

Herbivore

Achelousaurus horneri 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

Achelousaurus horneri 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 United States

Quick Facts

Geologic Period Cretaceous Late
Diet Herbivore

Frequently Asked Questions

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

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