Stegosaurus is one of the most recognizable dinosaurs. It was large, heavy and sported a distinctive combination of upright plates and a spiked tail. Despite its gnarly appearance, the beast was an herbivore.
Image: By Nobu Tamura (http://spinops.blogspot.com) - Own work, CC BY 2.5, https://commons.wikimedia.org/w/index.php?curid=19459399