English
65 millions ago, The Dinosaurs, or Dinosauria, are a group of archosaurian reptiles that lived from the Mid Triassic Period (230 mya) to today. Dinosaurs are arguably some of the most famous creatures ever to live on Earth, first described as a group by anatomist Sir Richard Owen during a lecture in 1841, based on three genera, Megalosaurus, Iguanodon, and Hylaeosaurus. Dinosauria now includes over a thousand species, hundreds of taxa, and around thirty families (excluding birds).
Story added by cameronkaiserstudent on May 16, 2025
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