between 20 and 15 million years ago

a massive Pteranodon

con 80 dientes serrados que le permitían desgarrar la carne de sus presas

incluyendo el cráneo

que presentaba un volante óseo prominente y ornamentado con espinas

Amebelodon fricki Variant:Primed between 20 and 15 millionMammals related to modern elephants but with very specific craniodental adaptations. They lived in North America during the late Miocene , approximately 10 to 6 million years ago , and their fossils have been found in states such as Nebraska, Kansas, and Texas, in river and lake sediments that suggest a water related habitat. This animal reached around 2. 5 to 3 meters in height at the withers and an estimated weight of 4 to 6 tons . Its most