Ankylosaurus magniventris

†Ankylosaurus magniventris was the largest known ankylosaurid, reaching up to 9m in length and approximately 6,000kg. A Late Cretaceous herbivore from Montana, Wyoming, and Alberta, it bore an extensive mosaic of bony plates over its body and a massive bony tail club capable of shattering bone. Described by Barnum Brown in 1908 from the Hell Creek Formation.

Diet & Feeding

Herbivore

Ankylosaurus magniventris 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

Ankylosaurus magniventris 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.