Prehistoric animals you won't believe existed - The animal kingdom is full of a wide variety of animals living in the seas, land, and skies. Millions of years ago, many more species made the Earth their home, but have since gone extinct. In the following gallery, browse through and discover the incredible and fascinating animals that once roamed the planet.
Mammoth - According to Newdinosaurs, the woolly mammoth went extinct "just" 4,500 years ago and inhabited cooler regions of the planet. Fossils were found in countries in Europe, northern Asia (specifically Siberia), and North America.
Gigantopithecus - This extinct animal lived on the planet between six million and 200,000 years ago, according to Newdinosaurs. It is believed to have lived in the current regions of China, India, and Vietnam.
Procoptodon - A type of marsupial similar to the modern-day kangaroo lived in Australia during the Pleistocene epoch, according to Newdinosaurs. It was a herbivore, measuring 4.9 m in height and weighing around 200 kg.
Glyptodon - This mammal is known as the ancestor to the armadillo and lived in North America. According to an article published on Wilder, it is believed that these giants emerged around 35 million years ago.
Daeodon - According to Newdinosaurs, the animal lived during the Miocene epoch and was discovered by Edward Drinker Cope in 1878, who gave it its name. They are also sometimes referred to as "hell pigs."