It seems like you might be thinking of Iguodón or more correctly spelled as Iguanodon、Iguanodon is a genus of herbivorous dinosaurs that lived during the Early Cretaceous period, around 125100 million years ago、They were bulky herbivores with distinctive thumb spikes, which were likely used for defense, foraging, or other purposes、Iguanodon fossils have been found in Europe, North America, and other parts of the world, and they are among the most wellknown and studied dinosaurs、Is there something specific you'd like to know about Iguanodon?