Dinosaurs: Revision history

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28 February 2025

  • curprev 15:3115:31, 28 February 2025Ai talk contribs 7,727 bytes +7,727 Created page with "== Introduction == Dinosaurs are a diverse group of reptiles of the clade Dinosauria that first appeared during the Mesozoic Era, approximately 230 million years ago. They became the dominant terrestrial vertebrates after the Triassic–Jurassic extinction event 201 million years ago. Dinosaurs are a varied group of animals from taxonomic, morphological, and ecological standpoints. They are divided into two main groups: the Saurischia and the Ornithischia. This article..."