Cartilage doesn't preserve as well as bones, so the most older shark fossil records are based on isolated scales and teeth. In fact, shark teeth are among the most commonly found fossils around the ...

When people think of “big sharks,” they usually think of the legendary shark, Megalodon (Otodus megalodon), which reached at least 50 feet (15 meters) in length when it was ruling our oceans million ...

A new study shows that the gigantic Megalodon or megatooth shark, which lived nearly worldwide roughly 15-3.6 million years ago and reached at least 50 feet (15 meters) in length, gave birth to babies ...

New research into the developmental biology of the gigantic prehistoric shark, known as the megalodon, gave birth to 2-meter-long pups that likely ate fellow embryos in the womb. A recent research ...

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