Theiophytalia is a genus of herbivorous iguanodontian dinosaur from the lower Cretaceous period (Aptian-Albian stage, about 112 million years ago) of Colorado, USA.
Theiophytalia represents a genus of herbivorous iguanodontian dinosaurs that lived during the early Cretaceous period (Aptian-Albian stage, around 112 million years ago) in Colorado, USA.