denis
Junior Member
Posts: 195
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Post by denis on Dec 4, 2019 21:48:20 GMT 5
Shastasaurus:Length: 21-23 meters. Weight: Plausibly <30 tonnes (see this post-> in this thread) Diet: Squids. Important note: No weight estimate has been scientifically made, so there’s a possibility of it being lighter or most likely in between these weight estimates. Megalodon: Length: 12-15.3 meters, according to a new study, possibly up 16 meters, but we have to wait for more news. But according to most researchers, Megalodon likely reached 18 meters maxed. Weight: 30-50 tons, possibly smaller. Diet: Whales, seals, rays, smaller sharks, and each other. Important note: Due to the lack of complete skeletons, Megalodon could be smaller or around the size of the estimate above. Before this match begins, I found something interesting, I don’t think it’s true but it tells the weight of Shonisaurus: Edited by Elosha11 to take into account other Megalodon research besides Shimada's. Edited again by Elosha11 -- merely to note that some of the OP's revised descriptions such as describing Megalodon's weight as 30-50 tons, possibly smaller, are the OP's opinion, not the scientific consensus, however still most scientists agree with this mass. EDITED BY ELOSHA TO INCLUDE STRIKE THROUGH. This is not the case.
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Post by dinosauria101 on Dec 4, 2019 22:23:49 GMT 5
I think I lean towards megalodon here, due to its superior jaws. It can probably bleed out the ichthyosaur with several good bites/ Maybe even bite off the fluke and disable mobility
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denis
Junior Member
Posts: 195
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Post by denis on Dec 4, 2019 22:48:58 GMT 5
I think I lean towards megalodon here, due to its superior jaws. It can probably bleed out the ichthyosaur with several good bites/ Maybe even bite off the fluke and disable mobility IF it was breathing air. Sharks when hunting marine mammals usually wait for them to breath air. If they aren’t then they would have to wait. But Shastasaurus could breach or perhaps ram the shark.
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Post by dinosauria101 on Dec 4, 2019 22:49:57 GMT 5
I think I lean towards megalodon here, due to its superior jaws. It can probably bleed out the ichthyosaur with several good bites/ Maybe even bite off the fluke and disable mobility IF it was breathing air. Sharks when hunting marine mammals usually wait for them to breath air. If they aren’t then they would have to wait. But Shastasaurus could breach or perhaps ram the shark. I suppose ramming IS plausible, but that might depend on the morphology.
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Post by elosha11 on Dec 4, 2019 23:07:37 GMT 5
Most Megalodon researchers would still put the shark's length maximum to about 18 meters. Shimada's new study is a bit of an outlier, and based on questionable methodology. It's possible he's right, but it's more likely he's wrong.
Again, Shontosaurus had a very small jaw/beak for its size, and was toothless. It was not likely a big game hunter. Other than possibly a larger body, there would likely be little it could do to deter Megalodon.
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Post by elosha11 on Dec 4, 2019 23:11:59 GMT 5
BTW denis, I edited your Megalodon description to take into account the competing view of Megalodon's size.
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denis
Junior Member
Posts: 195
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Post by denis on Dec 4, 2019 23:14:10 GMT 5
BTW denis , I edited your Megalodon description to take into account the competing view of Megalodon's size. I’m gonna check it back. There’s a likely chance it may get downsized again in the future.
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Post by elosha11 on Dec 4, 2019 23:15:36 GMT 5
More likely Megalodon's size estimate will increase. I'm not sure you are aware of the Leder et al abstact and pending publication based on Meg associated dentition?
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denis
Junior Member
Posts: 195
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Post by denis on Dec 4, 2019 23:16:09 GMT 5
Not likely increasing, over 50 tons is no longer accepted. It was likely around the size of a Humpback Whale, no larger.
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Post by 6f5e4d on Dec 4, 2019 23:31:30 GMT 5
Megalodon wins, it's already known to take down prey several times its size and has a strong bite, it would defeat Shastasaurus.
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denis
Junior Member
Posts: 195
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Post by denis on Dec 5, 2019 0:12:17 GMT 5
Megalodon wins, it's already known to take down prey several times its size and has a strong bite, it would defeat Shastasaurus. I doubt that. It likely just scavenged from the remains of the animal, like what sharks do today. Attachments:
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Post by sharkboy101 on Dec 5, 2019 10:30:50 GMT 5
I lean towards the meg as well. A few good bites should be able to cause some serious blood loss for the ichthysaur.
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Post by DonaldCengXiongAzuma on Dec 5, 2019 11:36:50 GMT 5
The megalodon wins easily.
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Post by Grey on Dec 5, 2019 11:38:57 GMT 5
Not likely increasing, over 50 tons is no longer accepted. It was likely around the size of a Humpback Whale, no larger. Based on what ? It has already been explained how this "max" of 15 m is totally unlikely and should be outdated in the future. The study you link actually proves an actual killing... Shastasaurus was certainly not that heavy. 21 m long but with a slender profile of just around 2 m torso depth. A weight of around 30 tonnes has been unofficially estimated by a paleontology student here.
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denis
Junior Member
Posts: 195
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Post by denis on Dec 5, 2019 15:55:30 GMT 5
Not likely increasing, over 50 tons is no longer accepted. It was likely around the size of a Humpback Whale, no larger. Based on what ? It has already been explained how this "max" of 15 m is totally unlikely and should be outdated in the future. The study you link actually proves an actual killing... Shastasaurus was certainly not that heavy. 21 m long but with a slender profile of just around 2 m torso depth. A weight of around 30 tonnes has been unofficially estimated by a paleontology student here. It won’t be outdated in the future, I think your kinda being a Megalodon fanboy. Also like I said, Shastasaurus likely weighed between 30-75 tons. I suggest looking at the attachment that I found earlier.
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