The dolphin’s sole tooth type is small (up to ½ inch in length) and conical. Depending on the species of dolphin, these teeth may be blunt or sharp — it all depends on what they like to eat.

A new species of ancient dolphin has been discovered and it boasts "unique" tusk-like teeth that indicate the existence of a feeding strategy in marine mammals that was previously unknown to ...

A bizarre predatory dolphin that lived 25 million years ago and had long, sharp teeth jutting straight out from its snout has been discovered in a museum collection in New Zealand.

Ancient Dolphin with 42 Teeth The remarkably well-preserved skull, belonging to what has been dubbed Nihohae matakoi (pronounced nee-ho-ha-eh ma-ta-koy), boasts a total of forty-two teeth.

Tom Pierce, who operates Trader Bill Shark Teeth inside the Gay Dolphin in downtown Myrtle Beach, SC, works on a piece of jewelry using a shark’s tooth. Pierce has been making jewelry and ...

Bones of prehistoric ancestor to dolphins found in Summerville. The 29 million-year-old killer had knife-like teeth and a bite more powerful bite than that of T. rex.

An unprecedentedly bad year for beached dolphins on Cape Cod might have to do with warming waters changing the availability of the animals' food.

Andrey Atuchin A newly unearthed species of dolphin-sized marine reptile had a mouth full of serrated blades for teeth, reports Jake Buehler for Science News.

Scientists have described a new dolphin species armed with protruding, tusk-like teeth for swift and violent attacks on prey – but we’re about 25 million years too late to see it.

The Tyrannosaurus rex is often shown baring massive, sharp teeth, like the ferocious creature in "Jurassic Park." But new research suggests that this classic image might be wrong. The teeth on T ...