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Dinosaurs[edit]

An image showing the head-and-neck area of a Tyrannosaurus Rex skeleton.
A skeleton of a Tyrannosaurus Rex.

Dinosaurs (or Dinosauria) are a group of prehistoric animals that reigned during the Mesozoic, before becoming extinct 66 million years ago. When they were discovered in 1824[1], they also introduced the concept of extinction to early scientists.

References[edit]

  1. ^ "The First Dinosaur Fossil Was Named Before We Had A Word For Dinosaurs". Discovery. Retrieved 2023-05-16.