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May 14, 2024 · May 14, 2024 by Active Wild Admin. Your complete guide to dinosaurs! Read on to become an expert on all aspects of dinosaurs and life in the Mesozoic Era! On this page, you'll find lists of dinosaurs by period, plus a huge amount of interesting dino facts, including: What is a dinosaur? When and where did dinosaurs live?
Dinosaurs are a group of reptiles that dominated the land for over 140 million years (more than 160 million years in some parts of the world). They evolved diverse shapes and sizes, from the fearsome giant Spinosaurus to the chicken-sized Microraptor, and were able to survive in a variety of ecosystems.
Dinosaurs. Dinosaur, the common name given to a group of reptiles, often very large, that first appeared roughly 245 million years ago (near the beginning of the Middle Triassic Epoch) and thrived worldwide for nearly 180 million years.
