`` Smilodon '' is most famous for its relatively long canines , which are the longest found in the saber-toothed cats , at about long in the largest species `` Smilodon populator '' .
`` Smilodon '' is most famous for its relatively long canines , which are the longest found in the saber-toothed cats , at about 28 cm long in the largest species `` Smilodon populator '' .