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Megalodon tooth

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Fossils72 of 83A Kansas Fossilized Fish or Crawdaddy?Fossil, possibly  a portion of a rib cage...
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    Posted 9 years ago

    (38 items)

    Megalodon tooth I scored years ago. It's hard to believe that these sharks had approximately 276 of these teeth arranged in 5 rows in their mouth. With an average size jaw width of 7 feet. They lived from 28 million to 1.5 million years ago. The grew to a maximum length of 52-67 feet in length. The serrations on the edges are still sharp. If asked what my favorite fossil in my collection was, it would have to be a tie between this and the juvenile mammoth bones that I have.
    In 2002, shark researcher Clifford Jeremiah proposed that total length was proportional to the root width of an upper anterior tooth. He claimed that for every 1 centimetre (0.39 in) of width, there is approximately 4.5 feet (1.4 m) of the shark. Ward asserted that this method is based on a sound principle that works well with most large sharks. So that makes this one a little over 36 feet long.
    Wish there was a fossil category.

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