The Spinosaurus Had An Evil Twin...

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Giant theropod, large sail, big bulky arms with giant claws, and is always debated about? Sounds like Spinosaurus right? WRONG! This is Oxalaia, the Spino's Brazilian Twin.
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0:00 Intro
0:50 Discovery & Naming
1:43 Size
2:33 Similarities/Differences With Spinosaurus
4:35 Sail Or No Sail?
5:23 Giant Jaw and Claws
5:57 A Fishy Diet (What It Ate)
7:01 A Dinosaur Killer Too?
8:14 How Well It Swam and Ran
9:21 Habitat
10:03 What It Lived Alongside
11:11 A Curious Extinction…
Copyright Disclaimer under Section 107 of the copyright act 1976, allowance is made for fair use for purposes such as criticism, comment, news reporting, scholarship, and research. Fair use is a use permitted by copyright statute that might otherwise be infringing. Non-profit, educational or personal use tips the balance in favour of fair use.
Firesong by Kevin MacLeod is licensed under a Creative Commons Attribution 4.0 license. creativecommons.org/licenses/by/4.0/
Source: incompetech.com/music/royalty-free/index.html?isrc=USUAN1100598
Artist: incompetech.com/

Опубликовано:

6 июл 2024

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Комментарии : 502

@Chrismas815 14 дней назад

Man spinosaur fossils have bad luck not being destroyed in museums

@selfiekroos1777 14 дней назад

Thank the german thieves

@GenghisDon1970 14 дней назад

no kidding! Almost like a deity is seeking to make sure this secret will always remain in doubt

@João-u8b 14 дней назад

Brazilians Lost both Fossils of Irritator and Oxalaia. Oxalaia was destroyed, and Irritator was stolen by Germans.

@metal87power 14 дней назад

ALIENS

@Firestar-TV 14 дней назад

Not getting destroyed in Museum Challenge: Impossible

@rl9217 14 дней назад

If I had a nickel for every time spinosaur fossils stored in a museum were destroyed, I’d have two nickels. Which isn’t a lot, but it’s weird that it happened twice, right?

@4124V4TA-SNPCA-x 13 дней назад

Lightning never strikes the same place twice... Unless you are the fossilized remains of a Spinosaurid.

@o_o8203 12 дней назад

Aliens are trying to protect us from forbidden knowledge

@ArielMurrayDrakonslayer777 11 дней назад

@@4124V4TA-SNPCA-xand the lightning is probably bombs

@4124V4TA-SNPCA-x 11 дней назад

@@ArielMurrayDrakonslayer777 That can also be a kind of light. But when asking for some light you probably don't want an incendiary bomb or a Molotov thrown at you. 😁

@ArielMurrayDrakonslayer777 11 дней назад

@@4124V4TA-SNPCA-x true da

@lewycraft 14 дней назад

It is kind of ironic, that even their finding history is simmilar. Both got their only fossils destroyed shortly after discovering, due to destruction of the museum they were held in.

@Robert53area 13 дней назад

True, the original fossils were both destroyed. But because of the original spino fossils destroyed it intrigued people to go find a full skeleton. This is how researchers found out more about spino as their was a whole market where it's fossils were being sold and finally a almost complete fossil found in morroco.

@itpugil 12 дней назад

@@Robert53area amazing

@MarineTeen 11 дней назад

It's almost like a curse because the whole reason why Irritator challengeri was given its name was because of the frustration the founders went through of its discovery.

@Godzilla2000X 11 дней назад

I find that suspicious

@Minerlover666 6 дней назад

What makes it evil though

@mgg1244 14 дней назад

bro, they found two bones and were like: Yup it was a master fisherman, had a bite force 20x that of a wolf, went to college in 1982, and had a crush on his gym teacher.

@sitafuller497 14 дней назад

LOL😂

@franciscoxavier7398 13 дней назад

humm not buying the 20x bite force, how could they possibly know!

12 дней назад

Wait til you find out about Quetzalcoatlus

@IllustriousCrocoduck 12 дней назад

I'm not a palentologist or biologist, but I think it's reasonable to say that bite force is one of the ONLY things you CAN infer from just jaw fragments...

@franciscoxavier7398 12 дней назад

@@IllustriousCrocoduck yeah but we're fooling around ;)

@Khan-rz8qi 14 дней назад

Spinosaurus: Hey twin!! Oxalaia: Yoo! 🤝🙏🤞

@Intrusion498 14 дней назад

Spinosaurid fossils try not to be destroyed challenge difficulty:IMPOSSIBLE Edit:THE AMOUNT OF LIKES

@siewpeisi9937 13 дней назад

Damn planes going bombs away

@girlbuu9403 11 дней назад

The moral of the story is don't keep spinosaurid remains in your museum. This one caught fire, the Allies bombed Egyptius', are there any other instances of this? Fake Edit: I thumbed it down to help even things out. :)

@siewpeisi9937 10 дней назад

@@Intrusion498 but also Malaysian spinosauradae even existing or not difficulty:negative infinity

@frostbitetheannunakiiceind6574 8 дней назад

you ruined the comment with that likes edit. and it's not even that many, just 425

@Intrusion498 8 дней назад

@@frostbitetheannunakiiceind6574 it’s more than I usually get

@DeinosDinos 14 дней назад

Tragically analogous that Spinosaurus for the longest time was also known from very little fossil evidence. The holotype was destroyed by allied bombing during WW2. Wasn't until Paul Sereno much, much later that we got a better idea of what Spinosaurus was like. So if someone rich is watching or reading this, fund an expedition to the Alcantara formation!

@khub5660 7 дней назад

They wouldn't get any money back. At all. Unless it's subsidized by a university

@user-wr1om9gl8o 2 дня назад

Yeh someone would need to be downright wealthy as fuck . While also having a unique interest lol

@Americanbadashh День назад

@@khub5660 It be a noble sacrifice for the greater good of scientific understanding, and human knowledge as a whole.

@khub5660 День назад

@@Americanbadashh that's a naive way of thinking. If only it worked that way

@astralb.2647 14 дней назад

The burning of a museum of that size is just so unimaginably tragic for us nerds... we want answers damnit!

@kentl7228 14 дней назад

I wonder if 3d scanning and ct scanning to solid models of rare fossils should be mandatory to prevent the complete loss of precious specimens to history.

@silverthatrandomdragon5509 12 дней назад

This right here

@CeratsTheCrunch 14 дней назад

As a Brazilian,i can confirm the existence of these guys. I've seen them mostly in small,deep rivers. They get beautiful in the mating season. They seem to be scared of fire, don't know why tho.

@unknown8844trig 14 дней назад

I'm more curious about the small deep river you mentioned..¿

@Raphus_2001 14 дней назад

was that before you tended to your extremely venomous snake collection?

@christines.5241 14 дней назад

Or maybe some of those magic plants potions and smokes ...

@CeratsTheCrunch 14 дней назад

@@christines.5241 i don't know why You guys doubt my sanity. Aside from my dementia,autism and schizophrenia i am perfectly healthy.

@md.mazedulhaquerefat8585 14 дней назад

@@CeratsTheCrunchI am so sorry. People are too rude and judgemental nowadays.

@MrPapamaci88 14 дней назад

Spinosaurids in my opinion were a mix between a crocodilian and a grizzly bear. Fisher or not, that's a terrifying combo!

@maulikosuri8255 6 дней назад

Both eat fish so they would be adapted well to eat fish and would be big and strong

@gustavoscalabrin5028 14 дней назад

I cried so hard of anger when the museum burned down. Unfortunately, Brazil and historical preservation and memory don't match well. Some improvements have been made, but very slowly

@NM-ue8on 14 дней назад

Spinosaur fossils trying to not get destroyed challange : impossible

@bossturner9540 7 дней назад

Lmao bros trying to like farm

@colekesten9596 14 дней назад

If the Jurassic franchise ever wanted to have a paleo-accurate spinosaurid they could introduce the oxalaia

@veggieboyultimate 14 дней назад

Oxalaia and Sigilmassasaurus are very enigmatic dinosaurs, was it a new species, or just another Spinosaurus?

@sagittariusneptune9330 14 дней назад

Thank you for mentioning this guy, I've seen it soo many times in paleo books but always wanted to see it in a documentary someday.

@GenghisDon1970 14 дней назад

great stuff, love the art you showcased

@kevinquinonez838 14 дней назад

The first Spinosaurus fossils found: got blown up when a bomb fell on the museum during World War II The first Oxalaia fossils found: got burn down when the museum caught fire

@NewDealChief 14 дней назад

Ooh boy, another Extinct Zoo banger.

@adriannegrete9586 14 дней назад

Every Saturdays.

@Anonymous-ul4xt 9 дней назад

Oxalaia could be a subspecies of spinosaurus due to the small evolutionary differences like the sale and more tightly packed teeth and a straighter snout 3:51 my theory is that oxalaia and spinosaurus had a very close ancestor but split off very recently so one is more suited for a semi-aquatic/hippo life style and oxalaia is somewhat more of a land based spinosaurid with it’s more straightened snout or it hunted like spinosaurus and eating fish but that’s just my theory

@dredhead117 14 дней назад

"Babe, wake up. Extinct Zoo just dropped another video, and this one's about Spinosaurids!"

@builderdog3875 14 дней назад

_RU-vidr simulator bot_ comment

@xergiok2322 13 дней назад

What's the punch line?

@riddick7082 14 дней назад

How do they know Oxalaia was pretty much a Spinosaurus twin? The only fossils that have been found of Oxalaia are part of an upper jaw and some smaller parts of the snout.

@sitafuller497 14 дней назад

Because its skeleton was almost the exact same. But I still don't understand why they thought it had a sail like Spino.

@xergiok2322 13 дней назад

@@sitafuller497 Infered from the assumption of it being closely related to spinosaurus.

@mikekoblosh8412 2 дня назад

That says all you need to know about the idea of evolution. Find a bone and make up the rest.

@BinroWasRight 13 дней назад

This was an amazing watch. Among all dinosaurs, the spinosaurids are my favorites (I can so very much relate to being the odd and ungainly one with different abilities than most, heh) and now Oxalaia is a star in that constellation for me. So thanks!

@thelittleal1212 14 дней назад

What an odd coincidence that I’ve just published a stopmotion video on oxalaia today as well😅

@sitafuller497 14 дней назад

Very good stop motion, I seen it!

@thelittleal1212 14 дней назад

@@sitafuller497 thx

@oneshotme 14 дней назад

I very much enjoyed your video and I gave it a Thumbs Up

@LucyLucy69 14 дней назад

they probably moved along the bottom of a body of water similar to modern day hippos explaining its heavy bone structure

@Bossbruin День назад

Oxalaia is basically the Spinosaurid equivalent of Tarbosaurus.

@victorevaristo8494 13 дней назад

I am from Brazil and i love spinosaurs. My favorite spinosaur of my country is irritator.

@PrehistoricMagazine 14 дней назад

Great video sometimes I wonder if the same type of Dino’s were wondering around Brazil roughly 95mya meaning another spino, a similar carcharodontosaurus etc. Mike

@brokenjawallosaurus2020 14 часов назад

I knew it was Oxalaia before the video even started because I remember seeing it in animated dinosaur battle videos before searching about this dino when I was younger, I'm so proud of myself

@Cainb23 12 дней назад

you should consider doing a video looking at the dinos in the game Ark and seeing how close they are to realistic . i know everyone in our game's community would LOVE it :-)

@AxelTherion 14 дней назад

Random tip, the x is pronnounced as "sh" like, oshalaia! Great video mate!

@jamesthelass6331 12 дней назад

I would have thought it would be an "h" sound like in Oaxaca or Mexico, but it makes sense that it's "sh" because Portuguese.

@sethnaffziger1402 14 дней назад

i think Baryonix is my favorite dino in that family (pretty sure Barry is a spinosauridae) When I was little I had a toy for him and it's name is cool! He's missing his sail but the midweight version is certainly a terror in its own right

@joaovitorrabelllo9523 14 дней назад

well,i am from brasil,more especifically from rio,where the museum caught fire in 2018,feeling represented

@gabriel-bl4ckh4wk-6 14 дней назад

Another awesome video ! Please tell me where I can find the image in 2:19

@eliscanfield3913 14 дней назад

that fire must've been devastating to so many, even if no living being was hurt. there weren't any casts sent to other museums?

@solowingborders3239 14 дней назад

Fate has it out for Palaeontologists regarding Spinosaur fossils.

@OX_3102 14 дней назад

SOMEONE HAS FINALLY GIVEN ME ATTENTION!!!!!!!

@rabbitwars001 14 дней назад

Ayyyy

@rlycervano8934 13 дней назад

Everytime that this kind of fossils gets found, it will be destroyed Man, i think that is a canon event & there's no way for us to change it

@GuiAntonioli 11 дней назад

It's widely known here in Brazil not only they existed, but they never really went extinct. They evolved and adapted. Nowadays they are way smaller and are called "chupacabras", a common pet to us Brazilians.

@liltaytjakid26 14 дней назад

This channel so dope. Never knew about this dinosaur

@Darkgeran7 14 дней назад

10:19 cursed but besides that I have always been curious about this spinosaurid thanks for making this

@samsonsoturian6013 14 дней назад

To add: Many argue the strange spine of spinosaurus had the same function as similar spines on buffalo: Attachment points for enormous back muscles allowing them to easily drag, tackle, or even throw animals the size of rhinos.

@ModernTyrannosaurus 14 дней назад

Except that's literally not possible, there'd be signs of muscle attachments for such a thing.

@kennethsatria6607 14 дней назад

And yet note the flimsy ass snout that is not made for grappling animals of the same size no matter what JP wants people to think. There is a reason why the humpback sail idea didnt end up catching on in modern times.

@Intrusion498 14 дней назад

@@ModernTyrannosaurusit just doesn’t make sense to me it goes right up with knuckle walking spino for me

@Deadfishyboi 13 дней назад

It reminds me a lot of modern crocodiles. Being opportunistic hunter and being primarily aquatic but also hunting on land

@raudhbansi2887 14 дней назад

Nice video

@stevenfunderburg1623 11 дней назад

Thank you, Extinct Zoo, for making sure we understood that the creature in the thumbnail did not represent an photograph of a living Spinosaurus ! That was close, man! Dude, I was so captivated, initially,by what I thought to be photographic evidence for the discovery of an extant example of that species, and just before the first tear of horrified wonder could drop from my astounded eyes, I saw the caption. Whheeeeewwww! Can you imagine my relief! There was absolutely zero sarcasm in the preceding remark👍

@trezor-yt3047 8 дней назад

Hey extinctzoo just a question why are you starting to delete some of your older videos now?

@DdragonZilla 2 дня назад

@Extinctzoo I have a question if you would answer. It is possible that the two spinos came from one species or a middle origin which evolved differently at the same time because of difference in ecosystem?

@Tyrannosauroidea 13 дней назад

I think we should classify it as Spinosaurus quimbensis because it resembles Spinosaurus Aegypticus a lot even though they live in different continents but like Panthers and lions live in different places but are still considered to be in the genus panthera even though their mouths are different most species in the same genus of corse has different features

@Forewarned76 11 дней назад

I love that there's a dino called Irritator

@tadecker82 7 дней назад

Considering the sheer size of fossilized fish found in the same period, in areas where shallow seas existed, it's really no surprise that there were a number of large Spinosaurids. If 4' - 8' fish were somewhat commonplace, a Spino could wade in shallow water all day (much like a modern Gharial crocodile), and snatch fish.

@jacobthompson3673 14 дней назад

One of the most iconic and as well as the most confusing dinosaur to science. 😂

@aby110 11 дней назад

Spinosaurids are so majestic

@zipperstriker 12 дней назад

Wish I could time travel to see this magnificent creatures 😍

@redsonic2265 14 дней назад

Can we have a video on all the spinosurid family

@jessehutchings 13 дней назад

I'm sure a fish and small animals diet was probably one of the best food niches in this era. Full of energy and vitamins

@franciscoxavier7398 13 дней назад

I'm sure you're a fish as well xD

@andrewstrongman305 10 дней назад

The simplest explanation is that the Spinosaurus parent species was present when South America and Africa split apart. It's recreation with a sail is a perhaps a stretch though as only 2 other species featured large ventral structures.

@znail4675 12 дней назад

Another use or benefit for the sail that I rarely see mentioned involves hunting fish. There are other ways to hunt fish then pursuit hunting and one such way is to use reach or bursts of speed to ambush prey and is used by both fish and crocodilians today. Reach can be accomplished by making a U-shape of the body towards one side. This will give a quick and long reach attack that can catch prey unawares of them being in danger. The sail would help with this tactic as it would act as a stop to prevent the center of the U to move in other direction too much. The main thing is that I can't imagine an animal group this successful and spread out with this many aquatic adaptations not being able to hunt in the water.

@elizabethbirnie6662 12 дней назад

Irrigator by like Damm I thought it was gonna by me.

@frankiek_1 11 дней назад

2:28 I would argue that Carcharodontosaurus would’ve been the apex predator of Northern Africa rather than Spinosaurus but that’s just my opinion. Being longer and possibly heavier does not necessarily mean it would be the apex predator of its environment. For example Allosaurus is pretty universally considered to be the apex predator of the Morrison Formation despite being smaller than Saurophaganax and Torvosaurus (though to be fair Allosaurus is far more common than them). Diet likely plays a role in food web hierarchy because a Spinosaurus is clearly evolved to take on aquatic prey but probably would not be above taking on smaller terrestrial animals but certainly nothing as large as itself. Carcharodontosaurus on the other hand being a large Allosauroid likely feeds on anything it can get like ornithopods, smaller theropods, young sauropods, and even large old or sick sauropods through mobbing/pack hunting behavior similar to what is theorized for Mapusaurus

@RealAaron317 10 дней назад

where did you get all this info from lol

@renanotoch668 13 дней назад

Fortaleza mentioned!! 🇧🇷🫡

@fauresfaures4314 14 дней назад

we changin the thumbnail with this one 🔥🔥🔊🔊

@eliletts8149 11 дней назад

Dang, I have never heard of this dinosaur until I watched this video!

@ICKYJOGGERYT 6 дней назад

The only way I actually figured out that Oxalaia existed was because of the ARK mod called Additional Creatures 2: Wild Ark 😅

@MatheusCayresdeMello 11 дней назад

James Gurney art is gold!

@metal87power 14 дней назад

first thought he was crocodilian

@khaiasaurus2595 14 дней назад

Was half expecting a spinofaarus video 🤦🏾🤦🏾

@SternaRegnixTube 14 дней назад

Sigilmisaurus be like

@G55544 14 дней назад

new spinosaurus just dropped

@dragonpjb 13 дней назад

This is why research casts are important.

@ravenouself4181 День назад

If I had to guess, I would call this a case of Convergent Evolution rather than the two being closely related.

@tm43977 14 дней назад

Oxalaia a Brazilian spino and An impressive Dinosaur

@mt_baldwin 5 дней назад

It's like the universe doesn't want us to know too much about these kind of dinosaurs.

@adriannegrete9586 14 дней назад

Factor Trace made a video to explain about Spinosaurids and includes Oxalaia, 3 months ago. He says Oxalaia was the largest South American theropod known to science.

@niharg2011 12 дней назад

I thought this was about Sigilmassasaurus, Although yeah Oxalaia content is welcome too. explains why this guy wasn't anywhere to be seen when I was doing school projects, It was discovered in 2011... I graduated from School in 2013...

@4124V4TA-SNPCA-x 13 дней назад

4:24 I have always had this two-faced relationship with modern science and museums. I love the knowledge gained and the scientific method. But i hate how we are destroying everything in the process. Fossils that survived anywhere from tens of millions to over half a billion years are safe to assume that could have survived another hundred million years. But we collect them and collections get destroyed left and right due to wars, terrorism, stealing, natural and technological disasters. Not to mention the long East Asian tradition where ancient fossils are ground and consumed for superstition. Knowledge and seeking of knowledge is super great. But our accumulated knowledge is so vulnerable. Including all data storage methods. On the long run, better people may come along who could solve these problems. They can be our descendants or a really intelligent and wise species in our planets deeper future. But they will have much less to work with. 😞

@vasilijrappana2335 3 дня назад

I am starting to think that spinosaurid bones are cursed, since every museum they are brought into gets destroyed.

@barryauguste9734 11 дней назад

Fascinating!

@Meme-penguin69 14 дней назад

Extinct zoo will you ever do science videos of movie dinosaurs?

@sitafuller497 14 дней назад

Movie dinosaurs aint real how can bro research them? The only thing he can research about them is their behavior shown on screen. So that video would be very useless.

@natthekiwi7074 12 дней назад

I imagine that due to its general body shape and weight distribution plus the nose location, it spent a ton of the time in water and probably ate a lot of fish. Due to the legs being awkwardly placed in relation to its body weight distribution, I can’t imagine it was doing a ton of land travel. That being said it could definitely get a decent speed if it needed to charge at something so I imagine it was like a much more adept alligator. Imagine an alligator that could actually be extremely adept on land! Terrifying

@MysteryDryo 5 дней назад

Spinosaurus after Oxalaia's fossils were destroyed: My true successor

@gigachadgoose 14 дней назад

Extinct zoo, how many more things have we gotten wrong about the spinosaurus

@HollowEarthBuddies 9 дней назад

3:17 all imma say is THAT angle from THAT pose git me feelin like imma do smthn to that spino

@ikabajif8157 8 дней назад

What the fk lol

@countchompula1896 9 дней назад

I wish someone would do Sauroposeidon, its 2 little bros Brachiosaurus and Giraffititan get all the attention. 🦕

@NocturnalPyro 21 час назад

It’s widely accepted that Spinosaurus was a semi aquatic dinosaur, highly specialized for catching fish, meaning it isn’t truly an apex predator.

@P_OmSa 12 дней назад

The moral of this story is that if you're a museum and someone offers you a recently discovered Spinosaurid fossil, best just say "no."

@cdkw2 14 дней назад

nice!!

@Kargoneth 10 дней назад

The skeletons of these relatives look so similar to my eyes. I wonder how distinct their colourations and fleshy bits would be.

@gg_sam7847 11 дней назад

I swear the Spinosaurids all have just the WORST luck when it comes to fossil survivability

@bsnhbksan 12 дней назад

Damn, I remember a time, way back when, when the no.2 was Allosaurus

@maisamzeiad1421 14 дней назад

Short answer: it's oxalaia

@TheWarchiefZekeJaeger 9 дней назад

I remember like yesterday when they found him. I quickly ran to the museum to see the bones, I was 12 and I lived in the capital of that state (São Luís), not very long they made a event with many things, and one of them was him in full size (bones only), but of course it was based on the old Spino body (the JP3 body type). Now a sad fact: The museum where his bones were, was hardly a museum, the museum it's located in the "historical" part of the capital, and was pretty much a room with some fossils and some paintings (one of them was Oxalaia), I bet the living room of some of you is bigger than the museum. A fun fact: His name comes from a Deity from Africa, and alot of the culture of Maranhão shares from Africa.

@MikoLanthierFrechette 5 дней назад

Oxalaia is literally the spinosaurus's own equivalent of the tarbosaurus, cause they both look very similar (besides some differences), Spinosaurus is larger than Oxalaia, they both live in different continents that used to make Gondwana (Like NA and Asia (exluding indian subcontinent) that used to make Laurasia), Oxalaia was considered a synonym of spinosaurus (like Tarbosaurus was just another species of the genus tyrannosaurus) and occupied the same niche.

@tvbnine793 14 дней назад

4:22 jeez, between this and the Spinosaurus skeleton being destroyed in WWII, history hates Spinosaurid fossils. And I had heard of Irritator before watching this video but not Oxalaia.

@borntowild480 13 дней назад

Isn't it an irony that both large spinosaurus' fossils are lost.

@Dino-channel День назад

Spinosaurus holds the record for the bulkiest carnivore and theropod in history since its discovery. ‏‪0:08‬‏

@user-um1xo9ed1x 13 дней назад

So looking at that creature, how does it not fall flat on its face when walking in the manner depicted in the video? I mean its body seems to have the same thickness from hip to chest. Its forelimbs appear to be almost the same size as its hindlimbs in thickness and density. Its tail does not appear to quite have the counter mass to balance it on its hips. And that head is enormous and must have been quite the weight on its own. By comparison with Tyrannosaurs where the forelimbs are significantly smaller and the chest tapers in from the hips this creature seems to be defying gravity and a centre of balance to achieve the posture depicted.