therium, thero
Beast
(from the Greek word therion)
![](https://timeless-dinosaurs.com/wp-content/uploads/2024/07/512px-Megatherum_DB-206x300.jpg)
Megatherium
- When: Pleistocene
(2 million–10,000 years ago) - Where: South America
- What: Mammal
- Weight: 4 metric tons
- Length: 6 meters
- Diet: Herbivorous
- Discovered: 1796
![](https://timeless-dinosaurs.com/wp-content/uploads/2024/07/512px-2021_Uintatherium_sculpture_in_closed_megafauna_exhibit_Puntarenas_Costa_Rica-300x276.jpg)
Uintatherium
- When: Paleocene to Eocene
(56–37 mya) - Where: North America
- What: Mammal
- Weight: 2 metric tons
- Length: 4 meters
- Diet: Herbivorous
- Discovered: 1872