a 1-foot-long creature with “pointed” teeth hid under a fallen tree. At least, it tried to hide. Visiting scientists rolled away the log and found the lurking animal. It turned out to be a new ...

Unlucky fish and unsuspecting seabirds were snared inside Xiphactinus's upturned jaw, which was lined with giant, fanglike teeth, giving it an expression akin to that of a bulldog. A 13-foot-long ...

Following is a transcript of the video. Narrator: Lions have them, hippos have them, and even you and I have them: canines, those long, pointy front teeth. They're actually the longest teeth in ...

"By combining biomechanics and evolutionary theory, we can uncover how natural selection shapes animals to perform ... from the long, curved teeth of Barbourofelis fricki to the straighter ...

but they are largely vestigial - meaning they once served a purpose but over time the animal has evolved to no longer rely on them. Non-functional teeth are often very small. Whale sharks have 300 ...