Huaxiaosaurus aigahtens, a saurolophine ornithopod so large that it just plain screws over the popular mainstream notion of large ornithopods being easy prey for theropods.
At around ~18.7 meters long, and likely more than 25 tonnes in mass, it was the largest terrestrial non-sauropodomorph animal that ever lived, dwarfing and dominating over the tyrannosaurids that it coexisted with.
At around ~18.7 meters long, and likely more than 25 tonnes in mass, it was the largest terrestrial non-sauropodomorph animal that ever lived, dwarfing and dominating over the tyrannosaurids that it coexisted with.
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