Dinosaurs are a diverse group of reptiles [note 1] of the clade dinosauria They first appeared during the triassic period, between 243 and 233.23 million years ago (mya), although the exact origin and timing of the evolution of dinosaurs is a subject of active research Over a thousand dinosaur species once roamed the earth Learn which ones were the largest and the smallest, what dinosaurs ate and how they behaved, as well. From raptors to tyrannosaurs and sauropods to ornithopods, this list includes more than 700 dinosaurs that lived during the triassic, jurassic, and cretaceous periods. Dinosaurs are a diverse group of reptiles that were the dominant terrestrial life form on earth during the mesozoic era, about 245 million years ago
Dinosaurs went into decline near the end of the cretaceous period, about 66 million years ago. Find out what dinosaurs ate, how they may have behaved, what they may have looked like, and more. Find out facts about dinosaurs, including diplodocus and stegosaurus, and uncover what science is revealing about the appearance and lives of these prehistoric animals. Dinosaurs have long captured our imagination as reptilian creatures with menacing teeth, claws, spikes, and hammering, bony bulbs They roamed earth roughly 175 million years ago, and most were wiped out by an extinction event roughly 65 million years ago. Explore a comprehensive list of dinosaurs with pictures to discover fascinating dinosaur species
Dinosaurs can reveal fascinating details of how life was 65 million years ago But unearthing them can prove to be challenging. Welcome to dinosaurs.wiki — a reliable and accessible resource for anyone fascinated by dinosaurs and the science of paleontology.
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