Mislabeled saber-toothed cat fossil spent over 50 years hidden in a drawer

'Adelphailurus kansensis' was about the size of a puma and lived in North America over five million years ago. More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. An artist's rendering of what the early saber-toothed cat, 'Adelphailurus kansensis,' might have looked like in its heyday 5 million years ago. About the size of today's mountain lions, the cats already had teeth optimized for slicing and shredding flesh, though the fangs were much smaller than those of later sabertooths, such as the iconic'Smilodon.' Breakthroughs, discoveries, and DIY tips sent six days a week.