Megalodon Sharks Facts, Attacks and Sightings - [Nat Geo] Documentary

Megalodon Sharks Facts, Attacks and Sightings - [Nat Geo] Documentary.
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The most frequently asked questions about this huge prehistoric shark are: "Are megalodons real?", "Is megalodon still alive?" and "Do megalodons still exist?". The first attempt to reconstruct the jaw of this huge shark lived after the dinosaurs was made by Bashford Dean in 1909. From the dimensions of this jaw reconstruction, it was hypothesized that it could have approached 30 metres. However, better knowledge of dentition and more accurate muscle structures, led to a rectified version of Dean's jaw model about 70 percent of its original size and to a size consistent with modern findings.

Related terms:

BBC Documentary,
Nat Geo Documentary,
National Geographic Documentary,
Discovery Channel Documentary,
Walking with dinosaurs,
megalodon sightings,
megalodon facts,
megalodon still alive,

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