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  2. How can we stop sharks from going extinct? - AOL

    www.aol.com/news/2014-12-18-how-can-we-stop...

    Sharks could be facing extinction over the next couple of decades. Human interference is largely to blame for the species interference. Overfishing of sharks has increased as the global demand has ...

  3. Megalodon - Wikipedia

    en.wikipedia.org/wiki/Megalodon

    It has been thought that megalodon became extinct around the end of the Pliocene, about 2.6 Mya; [21] [22] claims of Pleistocene megalodon teeth, younger than 2.6 million years old, are considered unreliable. [22] A 2019 assessment moves the extinction date back to earlier in the Pliocene, 3.6 Mya. [23]

  4. Several shark species are facing extinction. Here’s how you ...

    www.aol.com/news/several-shark-species-facing...

    Older than dinosaurs and trees, sharks have endured a lot throughout their 450 million years on Earth. They’ve even survived five mass extinctions, including the asteroid that wiped out 75% of ...

  5. List of threatened sharks - Wikipedia

    en.wikipedia.org/wiki/List_of_threatened_sharks

    Fishermen capture live sharks, fin them, and dump the finless animal back into the water to die from suffocation or predators. [11] [13] Sharks are also killed for their flesh in Europe and elsewhere. [14] The 2007 film Sharkwater documents ways in which sharks are being hunted to extinction. [15]

  6. Shark tooth - Wikipedia

    en.wikipedia.org/wiki/Shark_tooth

    Otodus megalodon teeth are the largest of any shark, extinct or living, and are among the most sought after types of shark teeth in the world. This shark lived during the late Oligocene epoch and Neogene period, about 28 to 1.5 million years ago, and ranged to a maximum length of 60 ft. [ 13 ] The smallest teeth are only 1.2 cm (0.5 in) in ...

  7. Mega-shark extinction linked to whales' current size - AOL

    www.aol.com/article/2014/12/16/mega-shark...

    Although the enormous sharks didn't make the evolutionary cut, researchers believe they still had a big impact on the world today. It is now believed that the Mega-shark extinction linked to ...

  8. Cosmopolitodus - Wikipedia

    en.wikipedia.org/wiki/Cosmopolitodus

    Cosmopolitodus is an extinct genus of mackerel shark that lived between thirty and one million years ago during the late Oligocene to the Early Pleistocene epochs.Its type species is Cosmopolitodus hastalis, the broad-tooth mako (other common names include the extinct giant mako and broad-tooth white shark).

  9. A third of shark species face extinction. One man is ... - AOL

    www.aol.com/news/third-shark-species-face...

    He was fascinated with how sharks moved through water using their multiple fins. Skip to main content. 24/7 Help. For premium support please call: 800-290-4726 more ways to reach ...