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Scientists Finally Found The First Hump-backed Mosasaur 

EDGE Science
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Mosasaurs were the biggest nastiest inhabitants of the Cretaceous seas. They had a long powerful tail to propel themselves towards their prey. They had huge flippers for expertly maneuvering through the water to keep up with their prey. And they had teeth on the roof of their mouths to make sure that prey never escaped. However, it seems that all mosasaurs looked the same. All were big monitor lizard looking things with round flippers and a shark tail. That’s what has been traditionally thought anyway. A brand-new mosasaur from Japan turns this assumption on its head. Let’s meet Megapterygius.
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RESEARCH
Takuya Konishi, Masaaki Ohara, Akihiro Misaki, Hiroshige Matsuoka, Hallie P. Street & Michael W. Caldwell (2023) A new derived mosasaurine (Squamata: Mosasaurinae) from south-western Japan reveals unexpected postcranial diversity among hydropedal mosasaurs, Journal of Systematic Palaeontology, 21:1, 2277921, DOI: 10.1080/14772019.2023.2277921
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15 сен 2024

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Комментарии : 76   
@SarastistheSerpent
@SarastistheSerpent 7 месяцев назад
I feel like the more we discover about mosasaurs, the more they start to resemble ichthyosaurs. Convergent evolution is really something
@TheHortoman
@TheHortoman 7 месяцев назад
I mean so did whales, early whales, icthyosaurs and mosasaurs were all serpentiform, we dont have more derived mosasaurs but i assume they would also have become short and powerful like opthalmosaurus and bottlenose dolphins
@mikewilson858
@mikewilson858 7 месяцев назад
Yeah when I was young, they were always depicted as finned lizards. Now they seem to have become far more adapted to sea life.
@Poliostasis
@Poliostasis 7 месяцев назад
Thalattoarchon, a Triassic Icthyosaur, highly resembles Mosasaurs in bodyplan way before any of Mosasaur's ancestors went back to the sea ironically enough.
@patreekotime4578
@patreekotime4578 7 месяцев назад
I mean, the Humpback Whale vibes are serious here. It makes me wonder what behaviors or pressures were driving these adaptations.
@jastermereel4946
@jastermereel4946 7 месяцев назад
maybe they were on their way to being more fish shaped but the asteroid had other plans
@Moulton_Lava
@Moulton_Lava 7 месяцев назад
I was playing Minecraft as listening to this video, and when you said Vindicated, a Vindicator showed up
@JohnJohn-yl4ko
@JohnJohn-yl4ko 7 месяцев назад
Lmao, did you lived?.
@Moulton_Lava
@Moulton_Lava 7 месяцев назад
@@JohnJohn-yl4ko yes
@jameskazd9951
@jameskazd9951 7 месяцев назад
mosasaurs have for a long time been my favorite prehistoric aquatic animals. i love the fact that they are related to lizards and snakes and am happy to see new developments made in their study
@dagoodboy6424
@dagoodboy6424 7 месяцев назад
Sharks, fish, and ithyosaurs called. They want their fin back.
@rileyernst9086
@rileyernst9086 7 месяцев назад
The metroriynchids did too!
@dagoodboy6424
@dagoodboy6424 7 месяцев назад
@@rileyernst9086 oh yee. I forgot
@mikoajlewicki9512
@mikoajlewicki9512 7 месяцев назад
Some of the reconstructions remind me a lot the pelagic whitetip shark, its also interesing that it seems to reach simmilar lenghts, but having another "pliosaur" that evolved from mossasaur family is also very interesting
@An-kw3ec
@An-kw3ec 7 месяцев назад
My original perception of these reptiles was like "Sea Monsters of Long Ago", very sea serpent like, very happy to see how well adapted they were for marine life.
@Nmethyltransferase
@Nmethyltransferase 7 месяцев назад
Finally! Now my lifespan can conclude with no regrets.
@GhoulsMagnets
@GhoulsMagnets 7 месяцев назад
I wish I was as excited about anything as the narrator is about reading Japanese names. But all jokes aside, the video was both enjoyable and informative
@abloopebloo9581
@abloopebloo9581 7 месяцев назад
Been waiting for this one! When I saw this in paleo rewind I got so excited, Dr. Street is one of my professors in university and told me about this paper in early october!
@CheyenneMooneyham
@CheyenneMooneyham 7 месяцев назад
Perhaps we find one with a soft tissue impression of a mosasaur, shaped like a thresher sharks? Now that would be interesting.
@edwhatshisname3562
@edwhatshisname3562 7 месяцев назад
It's like a.. long skinny Ichthyosaur, rather than what most would expect a Mosasaur to look like.
@joshuamueller3206
@joshuamueller3206 7 месяцев назад
I always thought the dorsal fin idea made sense because it would provide stability against rolling.
@DeinoWolfhybridhero
@DeinoWolfhybridhero 7 месяцев назад
Mosasaurus were authentic Komodo dragons of the sea
@nazzkid23
@nazzkid23 7 месяцев назад
Man. I really wish these awesome beafts were still around. This vid really made me feel a yearning for them :') ❤ great info as always :D
@GrizzlyHillsRadio
@GrizzlyHillsRadio 7 месяцев назад
You think you do, but you don't 😉
@Lotan_
@Lotan_ 7 месяцев назад
@@GrizzlyHillsRadio No I very much do.
@takenname8053
@takenname8053 7 месяцев назад
What are the benefits of a humped back in the water? Since it evolved in both whales and Mosasaurs.
@EDGEscience
@EDGEscience 7 месяцев назад
Stabilization
@Zach-ku6eu
@Zach-ku6eu 7 месяцев назад
See? You used to b**ch at me when I told you that you needed better graphic artists than the old polygon garbage you were getting. But look at you now! 🙌🙏👏👏
@vincentsmidowicz2931
@vincentsmidowicz2931 7 месяцев назад
Nice One! Fascinating and Informative ~ Cheers
@KadenSlinker-cw6cl
@KadenSlinker-cw6cl 7 месяцев назад
I wonder if we’ll ever discover a Mosasaur with evidence of venom glands?
@jonathankennedy1963
@jonathankennedy1963 7 месяцев назад
That'd be pretty cool. They were Squamates after all so it wouldn't be surprising to have venomous Mosasaurs found in the future. Probably having the same venomous capabilities as Sea Snakes.
@mitchellskene8176
@mitchellskene8176 7 месяцев назад
Given that both of its closest evolutionary cousins (Varanids and Snakes) fall under Toxicofera, it's entirely possible Mosasaurs were venomous.
@naamadossantossilva4736
@naamadossantossilva4736 7 месяцев назад
Not likely.Mosasaurs were endotherms,they were adapted for swiftly killing prey.
@jonathankennedy1963
@jonathankennedy1963 7 месяцев назад
@@naamadossantossilva4736 Monitor Lizards, some pythons, and boas are endothermic, and some of them had venom. We're just saying that if mosasaurs were indeed venomous, it wouldn't be a surprise.
@naamadossantossilva4736
@naamadossantossilva4736 7 месяцев назад
@@jonathankennedy1963 You are wrong.The only endothermic non-avian reptiles are leatherback sea turtles.Which are also non-venomous. Venom is slow,jaws are fast.When you need to eat a lot you can't wait.
@godspeed_smc401
@godspeed_smc401 4 месяца назад
I want to see a mega Mosasaur at around 18 meters in length, bigger teeth and a little bit stocky in build. It evolved like this cuz maybe it kills other mosasaurs "as an equalizer for the mosasaur species" but it generally hunted large prey items during it's time
@eewilson9835
@eewilson9835 7 месяцев назад
This is so awesome, the 6th sense in such mosasaurus would be expert, and possibly also in the flippers not just the skull, one neat speculation.
@petrairene
@petrairene 7 месяцев назад
The question is, how did they coordinate the left to right tail movement with the up and down flipper movement.
@Lotan_
@Lotan_ 7 месяцев назад
Perhaps like a row boat, with the tail functioning as a rudder for directional change.
@ray1956
@ray1956 7 месяцев назад
WOW 😮Amazing the numerous creatures that have lived on Earth 🌍 👨🏿‍⚕️👨🏿‍⚕️👋🏿👋🏿
@andreasnestoros7657
@andreasnestoros7657 7 месяцев назад
What do you think about it living in coral reef ecosystems and using this maneuverability to catch prey there
@1998topornik
@1998topornik 7 месяцев назад
Mosasaur that invested more in agility than others of its kind.
@julioalbertoherrera1339
@julioalbertoherrera1339 7 месяцев назад
Great Documentary!!
@michaelherrington2135
@michaelherrington2135 7 месяцев назад
Just want to point out we have no idea how big the carrot kracken really were outside of their shells.
@NitroIndigo
@NitroIndigo 7 месяцев назад
So... this mosasaur swam like a penguin?
@reeyees50
@reeyees50 7 месяцев назад
Once again, love these music choices
@homuraakemi493
@homuraakemi493 7 месяцев назад
Oh my science I HECKIN LOVE big wholesome chungusaurus
@pRODIGAL_sKEPTIC
@pRODIGAL_sKEPTIC 7 месяцев назад
"Schmyoosht around" 😂
@splatterbrain3788
@splatterbrain3788 7 месяцев назад
5:39 a bunch of ryyibs.
@dynamoterror18
@dynamoterror18 7 месяцев назад
I see mosasaurs took some inspiration from ichthyosaurs for some of their body designs.
@chichiboypumpi
@chichiboypumpi 7 месяцев назад
Whenever I hear sea serpent I think of serpentine or snake-like beasts.
@mikeg2306
@mikeg2306 7 месяцев назад
Is this a Loch Ness monster reference?
@WinterroSP
@WinterroSP 7 месяцев назад
Mosa-ichtiosaur
@justmeva
@justmeva 7 месяцев назад
I have often wondered how they breathed - did they surface or did they have gills?
@golddragonette7795
@golddragonette7795 7 месяцев назад
Almost certainly surfaced, they were lizards so secondarily aquatic
@hope1575
@hope1575 7 месяцев назад
They breathed air
@AntoniusTyas
@AntoniusTyas 7 месяцев назад
Well... being a reptile, they do need air. Think of a vertical-tailed whale and you're _almost_ close.
@brianedwards7142
@brianedwards7142 7 месяцев назад
Crocodiles can shut down parts of their bodies to make the most of their breaths and just lie on the bottom for up to an hour.
@poppedweasel
@poppedweasel 7 месяцев назад
Why so finally? Were some desperately hoping for a humpback mososaur? And were these generic scientists, or paleontologists?
@EDGEscience
@EDGEscience 7 месяцев назад
I was.
@poppedweasel
@poppedweasel 7 месяцев назад
Well happy days then. @@EDGEscience
@rolandixor
@rolandixor 7 месяцев назад
Yes but would mosasaurs taste good in a sandwich?
@Kakarot64.
@Kakarot64. 7 месяцев назад
Or as Sashimi
@Lawiah0
@Lawiah0 7 месяцев назад
Pure nonsense
@travhammer
@travhammer 7 месяцев назад
An Anthropologist once told me, "of all dna. We know of 1 in 5 ." Could there really be that many too have come and gone which we may never know existed?
@Lotan_
@Lotan_ 7 месяцев назад
Most likely. Life back then was already incredibly diverse, much more so than today, and that's just with the little we do know. Imagine how many Leviathans lived and died in the deep sea, where their bones were probably not preserved or we might never find them.
@TroyTheCatFish
@TroyTheCatFish 7 месяцев назад
Poggers
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