When you think about sharks, the first thing that might come to mind are huge jaws filled with rows of deadly-looking teeth. But shark teeth come in many shapes and sizes. They can tell us how these ...
But in these filter feeders, the teeth are tiny and not used in feeding. Shark teeth vary in size and shape according to what they eat. Some have “crushing plates” that crush their shellfish ...
Each tooth is measured, assessed for completeness and edge wear, and classified by general shape. These details offer invaluable insights for identifying patterns in shark populations, such as ...
Cicimurri explained that shark teeth differ in shape, depending on where they are located in the mouth. He added: "By studying the jaws and teeth of living sharks, it allowed us to reconstruct the ...
This approach is relatively new, Kim says, and scientists can learn a lot from both the shape and chemistry of shark teeth. Like human teeth, shark chompers contain collagen, a type of protein ...
juvenile megalodons have teeth resembling those of older megatooth sharks, which led researchers to believe that their subsequent growth caused the dramatic change in tooth shape and function. "Our ...
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 ...