Birds are avian dinosaurs, and phylogenetic taxonomy includes over 11,000 extant species in the group Dinosauria. Dinosaurs are a diverse group of reptiles [note 1] of the clade Dinosauria. …

High-quality dinosaur images, facts, and fossils for kids and educators. Easy to download or print!

Jan 7, 2026 · Dinosaur, the common name given to a group of reptiles, often very large, that first appeared roughly 245 million years ago and thrived worldwide for nearly 180 million years. …

Learn how many species have been discovered, and see photos and information about over 40 types of dinosaurs.

Discover dinosaur news, videos, quizzes and crafts. Find out facts about dinosaurs, including Diplodocus and Stegosaurus, and uncover what science is revealing about the appearance …

Dinosaurs are a diverse group of mostly land-based animals that are related to today's reptiles and birds. In fact, while dinosaurs are commonly seen as extinct and known only by their …

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The Dinosauria Dinosaurs, one of the most successful groups of animals (in terms of longevity) that have ever lived, evolved into many diverse sizes and shapes, with many equally diverse …

El portal más completo con información sobre dinosaurios, diccionario de dinosaurios, tipos, noticias sobre fósiles, vídeos y muchos más datos.

Few subjects in the Earth sciences are as fascinating to the public as dinosaurs. The study of dinosaurs stretches our imaginations, gives us new perspectives on time and space, and …