Nothronychus graffami

† Nothronychus graffami is a Late Cretaceous therizinosaurid from New Mexico, USA. An herbivorous theropod ~4.5 m long with large forelimb claws, it is one of only two known North American therizinosaurids and inhabited Cretaceous wetlands.

Diet & Feeding

Herbivore

Nothronychus graffami 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

Nothronychus graffami 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.