A turtle is a magnificent creature that belongs to the group of reptiles scientifically known as Testudines. This group also includes other creatures such as terrapins and tortoises. Turtles represent the oldest living reptiles that have been in existence for millions of years. Turtles are believed to date back to the times when dinosaurs existed. They, therefore, beat other reptiles, including alligators, crocodiles, and snakes.