Ovaloolithus dinornithoides

† Ovaloolithus dinornithoides is a large oogenus from Late Cretaceous Mongolia with eggs resembling ratite bird eggs in size. These rounded dinosaur eggs are attributed to large theropods or ornithopods nesting in Mongolian Late Cretaceous deserts.

Diet & Feeding

Herbivore

Ovaloolithus dinornithoides 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

Ovaloolithus dinornithoides 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.