While most adult humans have 32 permanent teeth, or 28 if your wisdom teeth don’t behave, you might be surprised to learn that the animal world has us well and truly beat when it comes to the ...

The biggest teeth in the whale world are found in sperm whales, which can be 4 to 8 inches long. “These conical teeth are only located in the lower jaw both in males and females,” Loch says. Any ...

The mighty megalodon is the most famous extinct shark on earth – with giant jaws and a tremendous size that inspire myths and ...

Most fish have two sets of teeth—the oral teeth located near the front of their mouth for grabbing and chomping and the pharyngeal teeth located in their throat for the slicing and dicing.

Sensory features on the armored exoskeletons of ancient fish may be the reason why humans have teeth that are sensitive to cold and other extremes.

Do other animal species have baby teeth and adult teeth, like humans? Peter Norris, Summer Hill, New South Wales, ... In fact, most mammals have two sets of teeth in their lifetime.

Only vertebrate animals have real teeth, though some invertebrates have hard tooth-like plates they use to eat. One of the earliest creatures with teeth were conodonts, an eel-like creature that first ...