Rare mega-shark teeth discovered at Australian beach

An enthusiast discovered sharp teeth on Australia's Jan Jug coast, leading to the identification of a prehistoric shark species that was twice the size of a great white. This predator lived 25 million years ago, preying on small whales and penguins. Due to the cartilage composition of shark skeletons, fossilization is rare, making the discovery of multiple teeth sets from a single shark a significant find.

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