User:Olirocket125/sandbox
Appearance
Dinosaurs[edit]
![An image showing the head-and-neck area of a Tyrannosaurus Rex skeleton.](http://upload.wikimedia.org/wikipedia/commons/thumb/a/a9/Field_dinos_2.jpg/220px-Field_dinos_2.jpg)
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]
- ^ "The First Dinosaur Fossil Was Named Before We Had A Word For Dinosaurs". Discovery. Retrieved 2023-05-16.