Shark teeth are especially valuable for this purpose. Their abundance and durability make them a treasure trove of information about past environments. However, uncovering patterns in ancient ...

Amateur Diver Looking for Shark Teeth Stumbles on Well-Preserved 7000-Yr-Old Native American Burial, Officials Call it 'Unprecedented Discovery' An amateur diver, searching for shark teeth off the ...

A "serrated blade" found sticking from a rock in the United Kingdom has been identified as a "nearly perfect" prehistoric shark tooth, experts say. It belonged to a Squalicorax falcatus shark ...