Quetzalcoatlus was a pterosaur who lived approximately 70 million years ago during the Cretacious Period. They were among some fo…
Pakicetus may not look like a whale when you look at a picture of one. They have legs, for one…
Thylacosmilus lived in South America 9 million years ago and was a saber-toothed metatherian. What is a metatherian? Metatherians largely…