Sabre-toothed predators – best know from the infamous Smilodon – evolved multiple ... curved teeth of Barbourofelis fricki to the straighter, more robust teeth of Dinofelis barlowi.

This clustering reveals a continuum of saber shapes, from less extreme forms like Dinofelis barlowi to highly derived morphologies such as Barbourofelis fricki and Smilodon. Lead author Dr. Tahlia ...