Thescelosaurus neglectus

† Thescelosaurus neglectus is the type species of Thescelosaurus, from the Lance Formation of Wyoming. Its name reflects that the fossils were long 'neglected' in museum storage before formal description. This ornithopod was widespread across the Latest Cretaceous.

Diet & Feeding

Herbivore

Thescelosaurus neglectus 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

Thescelosaurus neglectus 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.