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Megalodon not as big as we once thought!

United States genao87 Offline
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( This post was last modified: 10-09-2019, 11:43 PM by genao87 )

new study on Meg.  it calculated its frontal teeth to give a more accurate size....so we have it at 14-15 meters at maximum with 15 meters being extremely rare.   I think a POD of Orcas can seriously hurt Meg now.   Leviathan Melville Sperm Whale now will and can defeat it.   Average size is not talked about but I am guessing around maybe 12-13.

https://www.tandfonline.com/doi/full/10.1080/08912963.2019.1666840

Otodus megalodon (Lamniformes: Otodontidae) is a gigantic late Neogene shark that lived nearly worldwide in tropical-temperate regions. Its gigantic teeth have captivated imaginations of the scientific community and general public alike, where the most commonly cited maximum size range of O. megalodon in scientific literature is 18–20 m in total length (TL). In this study, I reexamined the ontogenetic development of teeth and the quantitative relationships between TL and the crown height of anterior teeth in the extant white shark, Carcharodon carcharias, with an ultimate goal to clarify the current state of the scientific understanding of the body size of O. megalodon. My study suggests that the use of upper anterior teeth is much preferred over lower anterior teeth when estimating TL. This study combined with previous studies suggests that the presently verifiable maximum TL estimates of O. megalodon (i.e. scientifically justifiable account based on museum specimens) are 14.2‒15.3 m TL, where individuals of O. megalodon exceeding 15 m TL must have been exceptionally rare. Nevertheless, O. megalodon can still be regarded as one of the largest carnivores, if not superpredators, that have ever lived on Earth.

also this video explaining it.   it starts at 2:00  because he talks about other stuff.




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Guatemala GuateGojira Offline
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Based on this new evidence, it seems that a Otodus/Carcharocles megalodon was at a maximum of 15 meters, which will equal to a great white of 6 meters, in absolute dimentions. Above that will be quite exceptional. However we must remember that the whales of those days were also comparative small. The maximum size of the whales killed by O/C megalodon, like Cetotherimum, were about 10 meters long. Even the orcas of those days were relatively small, been of about 4-5 meters long (similar to the modern false killer whale). I don't think that the orcas will target the largest megalodon sharks but certainly were ready to kill the smaller ones of the size of the current whales of they days, at about 6-10 meters long.

It seams that in the time betweee Miocene and Pliocene, the animals like the baleen whales and even the orcas were much smaller than the modern representatives, so the only real giants, based in the fossil records, were the Otodus/Carcharocles megalodon and the Lyvyatan melvillei, with specimens reaching over 15 meters long.
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Guatemala GuateGojira Offline
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(11-28-2019, 11:53 AM)edczxc Wrote: You are wrong. Megalodon is smaller in size, but 15 meters is big enough.

It's threatening enough for a pack of killer whales.

And A pack of killer whales is a huge predator that cannot be touched

also Leviathan Melville can't touch Megalodon without a hitch.

Answer to this in this topic, post No. 17: https://wildfact.com/forum/topic-how-meg...ike?page=2

This guy is spamming all the megalodon topics with the same thing. Alert of Fan-boy like the banned posted "Megalodon"?
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