Triprismatoolithus stephensi

† Triprismatoolithus stephensi is a Late Cretaceous ootaxon from the Two Medicine Formation of Montana, characterized by a triple-layered prismatic eggshell microstructure. These eggs are attributed to small ornithopod or theropod dinosaurs nesting in Cretaceous Montana.

Diet & Feeding

Carnivore

Triprismatoolithus stephensi 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

Triprismatoolithus stephensi 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.