Pseudaelurus is a prehistoric cat that lived in Europe, Asia and North America in the Miocene approximately 20-8 million years ago. It is an ancestor of today's felines and pantherines as well as the extinct machairodont saber-tooths, and is a successor to Proailurus. It originated from Eurasia and was the first felid to reach North America, when it entered the continent at about 18.5 m.y ending a 'cat-gap' of 7 million yearsRothwell 2003. The slender proportions of the animal, together with it… (More on Pseudaelurus)