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The megalodon is widely considered to be the largest predatory shark that has ever lived., thanks to a math lesson in high school, scientists have a new method to estimate the length of a megalodon, and they think the sea giants may have been bigger than previously thought.

Otodus megalodon lived approximately 23 to 3 there is 6 million years All that remains are fossilized teeth and a few rare vertebrae, selon le Florida Museum of Natural History.

As with most sharks today, the megalodon skeleton was made up of cartilage that, like other soft tissues, decomposed eons ago

For over 100 years, scientists used the fossilized teeth to try and estimate the growth of the megalodon Early estimates of the size of adult megalodons ranged from 30 feet close to 100 feet More recent studies, who used the length of the teeth to extrapolate the length of the shark, have placed megalodons at 50 at 60 feet

Using the new way to estimate the length and largest known top tooth of a megalodon, the researchers found that the shark measured just over 65 feet

In 2015, fossil collector donated almost complete dentition of same megalodon shark to Florida Museum Important, because in addition to the length of the fossilized tooth, equations for calculating shark life require knowing where the tooth was positioned in the shark's jaw Most were based on guesswork and comparisons with great white sharks

Having almost complete dentition allows researchers to find out where each tooth was in the megalodon jaws

Victor perez, doctoral student at the Florida Museum of Natural History, used 3D printed replicas of the teeth to create a math lesson for a high school class Students would measure the teeth and calculate the length of the shark using the accepted set of equations

Il a dit qu’il s’attendait à ce que leurs résultats varient de quelques millimètres, mais ils variaient d’environ 40 at 148 pieds pour le même requin

« J’étais en train de vérifier, for example, avez-vous utilisé la mauvaise équation? Avez-vous oublié de convertir vos unités? » Perez a déclaré dans un article de blog du Florida MuseumMais il est très vite devenu évident que ce n’étaient pas les élèves qui avaient fait l’erreur C’était simplement que les équations n’étaient pas aussi précises que nous l’avions prévu

Perez, qui est maintenant conservateur adjoint de la paléontologie au Calvert Marine Museum à Solomons, Maryland, shared the story in a fossil community newsletter This led a French paleontologist to suggest using tooth width instead of length The tooth width would be limited by the jaw size of the shark, and the jaw would be proportional to the total length of the shark, previous research had suggested

Perez and Ronny Maik Leder, then postdoctoral researcher at the Florida Museum, developed new equations based on the width of teeth to determine the length of a shark

Using sets of fossil teeth from 11 individual sharks, representing five species including the megalodon, Perez et Leder ont développé un modèle de la largeur d’une dent individuelle par rapport à la mâchoire

From now on, toute personne possédant une seule dent de mégalodon peut comparer sa taille avec les moyennes de l’étude pour estimer la taille du requin

« La beauté simple de cette méthode devait être trop évidente pour être vue Notre modèle était beaucoup plus stable que les approches précédentes”, a déclaré Leder, aujourd’hui directeur du Musée d’histoire naturelle de Leipzig, in Germany, in the blog post. “Cette collaboration a été un merveilleux exemple de la raison pour laquelle travailler avec des paléontologues amateurs et amateurs est si important

Perez said the new method still has a margin of error of about 10 feet due to variation of individual sharks

Moreover, researchers still don't know exactly how wide the jaws of the megalodon were or if the teeth overlapped or had spaces between them

« Even though it may improve our understanding, we haven't really sorted out the size of the megalodon. There is still more to do, but that would probably require finding a complete skeleton at this point », said Perez.

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Megalodon, Sharks, Otodus

News – FR – Les mégalodons se sont révélés plus gros après qu’un cours de mathématiques ait révélé des défauts dans les formules dentaires originales | The Weather Channel – Articles de The Weather Channel | meteocom
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Source: https://weather.com/science/nature/news/2021-06-09-megalodon-size-estimates-bigger-than-thought-after-math-class

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