"Whether they cut human or animal flesh these shark teeth from Sulawesi could provide the first evidence that a distinctive ...

Bridges were formed from metal and ivory, bone, or whole human and animal teeth, Swank said, and archaeological remains show that an implant made out of lead was used in at least one case.

"But it's the oldest animal scientists have ever found with long, blade-like canine teeth." These saber teeth suggest that this gorgonopsian was a top predator in its day. The fact that this ...