Miocene

Megalodon

When: Miocene to Pliocene
(23–3.6 mya)
Where: Worldwide
What: Cartilaginous fish
Weight: 50 metric tons
Length: 18 meters
Diet: Carnivorous
Discovered: 1843

Hyaenodon

When: Eocene to Miocene
(42–16 mya)
Where: North America, Europe, Asia
What: Mammal
Weight: 500 kg
Length: 2.5 meters
Diet: Carnivorous
Discovered: 1869

Livyatan

When: Miocene
(9–8 mya)
Where: South America
What: Cetacean Mammal
Weight: 50 metric tons
Length: 13–18 meters
Diet: Carnivorous
Discovered: 2010

Phorusrhacos

When: Miocene
(23–15 mya)
Where: South America
What: Bird
Weight: 130 kg
Length: 2.5 meters
Diet: Carnivorous
Discovered: 1887