Prismatoolithus heyuanensis

† Prismatoolithus heyuanensis was a fossil egg ichnotaxon (Dinosauria) from China. These Late Cretaceous fossil eggs are attributed to dinosaurian or avian parents and provide evidence of nesting behavior and reproductive strategies in ancient ecosystems.

Diet & Feeding

Herbivore

Prismatoolithus heyuanensis 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

Prismatoolithus heyuanensis 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.