Wannanosaurus yansiensis

† Wannanosaurus yansiensis is a Late Cretaceous pachycephalosaur from the Xiaoyan Formation of Anhui Province, China, one of the few flat-headed pachycephalosaurs. It may represent a juvenile of a dome-headed species or a genuinely flat-domed form.

Diet & Feeding

Herbivore

Wannanosaurus yansiensis 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

Wannanosaurus yansiensis 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.