Dinosaurs encompass a staggering range of creatures, from tiny but still dangerous scavengers like the compsognathus to lumbering giants like the ravenous spinosaurus to ornery herbivores like iguanodons. Often sought out and partially domesticated to serve as exotic pets for eccentric aristocrats or dangerous guardians for those eager to protect their holdings with frightening but tamable creatures, dinosaurs are far from limited to lurking in primeval "lost worlds"