The T-Rex Wasn't The Largest Cretaceous Carnivore...This Was

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The T. rex is often painted as the king of dinosaurs and the cretaceous. And thanks to this title, it is sometimes regarded as being the largest predator of its era. However, despite being the largest carnivorous dinosaur, it was not actually the biggest predator to live during the cretaceous or even during its own existence, as that honor went to something much more sinister, the Mosasaurus.
0:00 Intro
0:55 Discovery & Misclassification
1:34 Naming
2:04 Early Reconstructions
2:36 The 5 Known Mosasaurus Species
3:00 Classification
5:35 Size
7:19 Massive Skull & Killer Teeth
8:01 Bite Force
8:46 Diet
8:54 Mosasaurus Bite Marks & Stomach Contents
9:33 Hunting Large Reptiles
9:50 Speed
10:54 Vision & Smell
11:36 Mosasaurus Vs. Mosasaurus
12:32 Cannibalism
12:54 Disease & Infections
13:18 Range & Habitat
14:21 Animals It Lived With
15:26 Competition With Other Giant Mosasaurs
16:01 Tylosaurus Attack On A Mosasaurus
16:29 Extinction And Possible Survival (for a bit)
Artwork in thumbnail by Gaëlle Seguillon
"Spacial Harvest" Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 4.0 License
creativecommons.org/licenses/b...
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.

[@ExtinctZoo]

✅ Support my channel by getting Fishing Clash on your iOS/Android device for free fishingclash.link/ExtinctZoo ! Use my gift code EXTINCTZOO to get a $20 reward, and share your biggest catch in the pinned comment!

[@mudfossiluniversity]

My biggest catch is Typhon in the desert in Morocco....recorded by Hesiod and Appolodorus. I have a vid on my Channel about him. "[1.6.3] When the gods had overcome the giants, Earth, still more enraged, had intercourse with Tartarus and brought forth Typhon in Cilicia,95 a hybrid between man and beast. In size and strength he surpassed all the offspring of Earth. As far as the thighs he was of human shape and of such prodigious bulk that he out-topped all the mountains, and his head often brushed the stars." The vid is called "The Truth about Dragons and Giant Serpents Far Exceeds the Myths". Thank you.

[@HassanMohamed-rm1cb]

Why don’t you get to think and make a suggestion creating another KZbin Videos Shows that’s all about the Extinct Prehistoric Amphicyons (Bear Dogs) on the next Extinct Zoo coming up next?!⭐️⭐️⭐️⭐️⭐️👍👍👍👍👍

[@a-lambo-boi]

The segment of Penza and the quadrant's size are based on the outdated belief that the mosasaurus possessed a 1:10 skull to body length ratio, based off of tylosaurus, but a 2014 study, along with finding the mosasaurus to be more robust than previously believed, reevaluated this down to a 1:7 ratio, although the ratio is now believed to be around 1:7.4. Penza under these ratios, would be around 12.5 metres long and 10.3 tonnes, while the quadrant, after a gdi analysis by faedino, would measure 14.5 metres and 15.9 tonnes. Also, the paper did confirm tylosaurus have the 1:10 skull to body ratio, and a specimen called bunker was estimated at 17 metres and a mass of over 17 tonnes, again from a gdi from faedino, although this mass estimate is still a work in progress. (I think)

[@rogerouellet2434]

😊😊😊

[@BrotherWulfe]

Y tutti___ty_yyyyyyytt5

[@Squirrelmind66]

When I was a kid, I used to think that Mosasaurus was named that way because it used to part the waters… like Moses

[@oucyan]

lol. Actually, River is in the meaning of the Mosasaurus' name, and Moses means: "[She] brought [him] out of the water". So Moses and the Mosasaur might have similar linguistic origins in the meanings of their name

[@WangNurMouth]

Fight fight fight!

[@oucyan]

@@twinturboray RIP

[@rupeeslang5121]

@@twinturboray This is correct, I live next to the Maas in Maastricht and this is also the place where Mosa saurus skeletons are found now and then. We have one displayed in the local museum. My dad was part of the crew that found it.

[@davidanderson_surrey_bc]

Curiously, just a few hundred yards behind the Mosasaurus skeleton were found the remains of a whole school of Egyptosaurs. Seems they'd been caught in some kind of marine disaster.

[@THETRIVIALTHINGS]

Terminonatator. "I'll never be back".

[@davidanderson_surrey_bc]

"Hasta la vista, brachiosaur."

[@davidanderson_surrey_bc]

"Everybody back to the Cretaceous!"

[@davidanderson_surrey_bc]

"Consider this a diplodocus."

[@davidanderson_surrey_bc]

"To crush your enemies, see them driven before you, and to hear the lamentations of their hatchlings."

[@davidanderson_surrey_bc]

"Come with me if you want to go extinct."

[@dillon26]

I love coming across channels like this that dive deep into prehistoric life and ecology while still making everything engaging to watch. Awesome content dude.

[@AncientAnimalAtlas]

Yeah very interesting indeed!

[@Karl_Jayce]

I love his videos

[@saladinbob]

This thing brings a whole new meaning to the line "we're going to need a bigger boat".

[@epiceducation867]

How are you pronouncing all those names so easily

[@John-nf7ug]

Practice

[@Djentle-Rain]

When you are spitting Dino names as a full time job it gets easy lol how do you know it didn't take him 1939472 takes to say one of the names lmao

[@Adam-tu1qx]

I like how he was rapid firing sea creature latin names flawlessly then just randomly in the middle "sand sharks"

[@dylano7242]

It's ai bot voice

[@Zhasper]

​@dylano7242 it's not. What is your proof?

[@Crakinator]

Pretty funny how Stastasaurus is SO BIG that you can fit the entire “not a Cretaceous animal” text right on top of it 😂

[@pyrotron22]

What about Cretaceous Pliosaurs such as Sachichasaurus or Monquiasaurus? They were similar in length (probably a bit shorter), but way bulkier than any mosasaur. And btw, Mosasaurs didn't rule during the entire Cretaceous, instead, they dominated the oceans during the last 20 million years of the cretaceous. Nevertheless, great video

[@maxwelledison03]

Akshually😂😂😂

[@pyrotron22]

@@maxwelledison03 ☝🤓

[@elmochomo8218]

What is this lil dude wafflin about

[@mikes5637]

*pushes glasses up on nose "What about..." 😅

[@pyrotron22]

@@elmochomo8218 I'm very sorry if I expressed myself wrong, but English is not my native language. I just wanted to point out a couple of mistakes made in this video.😕

[@pablojose4890]

I wish dinosaurs had easier names to remember

[@syedmuhammaddaniyalhasansh2276]

We know dinosaurs from their genus names only. Animals living today although we know them by their common names, have hard to remember genus and sub genus names too. The African Elephant is named Loxodonta and the European Rabbits are called Oryctolagus

[@rsuriyop]

That’s the problem. Most extinct prehistoric animals, especially dinosaurs, aren’t given common names. Although there are a few select extinct mammals that are more known by their common name given to them than their scientific name (like saber toothed tigers, wooly mammoths, and dodo birds).

[@Bearded_Ham75]

It's terrifying to think of a Monitor the size of a Mosasaurus, i used to have a Nile Monitor back in my early 20's that I took from a friend who wanted to get rid of it, it was maybe 2 feet long with it's tail and mean as hell, handling it was not fun

[@chrislomax8667]

I was given a 5 foot Nile monitor, wicked creature! If it got out, I had to throw a blanket over it. Not only did it have a vicious bite, but it would whip you with the tail!

[@travisdelafuente1150]

The Mosasaurus has been getting a lot of fame recently thanks to Jurassic World and rivals that of the Megalodon and the more I learn about this prehistoric predator of the seas, the more it becomes crucial that we all need to except the fact that the world was full of amazing and equally terrifying animals of the past. Bravo!

[@jurassicroom7673]

Love that Caiman Lizard color scheme for the Mosasaur in the thumbnail.

[@AntoniusTyas]

That's artwork from Gaelle Seguillon, one of the artist in Prehistoric Planet project. That art piece was used as the concept for the _Mosasaurus_ spa scene in episode 1 season 1 of Prehistoric Planet.

[@syedmuhammaddaniyalhasansh2276]

It's common trait in marine predators

[@windtalker4191]

Isn't it argued that snakes also evolved from monitor lizards? I believe snakes by then had already lost their feet; Mosasaurus probably evolved directly from monitor lizards and their feet evolved into fins.

[@birbdad1842]

No. They all had a common ancestor but are seperate groups

[@SarastistheSerpent]

This phylogenetic theory has been discredited. Snakes are today believed to be part of a different lineage of lizards (Ophidia) than varanids (anguimorpha). Interestingly, many studies indicate that mosasaurs are within Ophidia and that they represent a sister clade to Serpentes, however this has not been proven.

[@Sun-God2]

​@@birbdad1842hey what does Anagenesis mean

[@Redbeardblondie]

I think my favorite part of your videos, something I never see in other similar channels, is how you cover such a wide array of contemporary species in the area! It paints so much more of a complete and vivid picture of the ecosystem!

[@archosaur_enjoyer824]

*Tylosaurus proriger left the chat*

[@davidanderson_surrey_bc]

Steven Spielberg: My next movie will be called "Mosasaur". Bruce the shark: You're gonna need a MUCH bigger boat.

[@Misp7423]

I definetly prefer the new thumbnail! Even though these animals were ferocious, they still were animals which this thumbnail shows really well.

[@seabass1428]

Love the long form videos! Excited for more. Also congrats on 100k.

[@thehairywoodsman5644]

“Never get out of the boat…never get out of the boat…I got to remember: never get out of the boat,” Chef

[@reviolkande6155]

wont help u unless ur boat is at leat 100feet

[@thehairywoodsman5644]

@@reviolkande6155 always easy to figure which commenters are too young to get the reference ...

[@patricktracy1966]

@@thehairywoodsman5644 The horror.

[@thehairywoodsman5644]

@@patricktracy1966 finally somebody gets it

[@d0nKsTaH]

Everyone knows Godzilla was the largest....

[@GiDiGaD000]

We found him 2 here in NL

[@RE4Merchant]

T Rex ruled the land. Mosasaurus, the seas.

[@prashantmishra9985]

Deinosuchus

[@prashantmishra9985]

And Megalodon

[@RE4Merchant]

@@prashantmishra9985 Megalodon ruled after Mosasaurus went extinct. Because Megalodon hadn't yet evolved when Mosasaurus was around. Deinosuchus wasn't a sea animal. It was a river animal.

[@MaximumPrime]

⁠@@prashantmishra9985 Deinosuchus is only around 35 feet long and would get squashed by a Trex

[@magicdomaingodzillaisfodder]

Deinosuchus is 14 tons while t-rex is 11 tons​@@MaximumPrime

[@user-ly1dc5lt3o]

These videos are very well put tohether and are a fun and interesting watch! I love this content, can't wait for more!

[@davidbarringham7992]

Kudos for your naming it’s cohabitors in the latter part of this illuminating presentation. Thanks!

[@gordonfernandes6873]

In Short.. The waters of the Cretaceous...Was pure HELL... For Humans ..🤔☠️

[@Vindsvelle]

Besides your consistently great research and overview, it's refreshing to see sophisticated CGI animations of its speculated appearance and hunting behavior. Forgive me if I missed an included credit, but what's the provenance of the mososaur animations for this episode?

[@rondareongaming9161]

That moment you mix up interspecific with Interspecies lol

[@abdellahiehreimo3402]

Very intriguing and well made Thanks.

[@AncientAnimalAtlas]

Very interesting video! Learned a lot of information! Great video 😍

[@countchompula1896]

Imagine a Deinosuchus and a Mosasaurus getting into a tug of war with a Archelon

[@marssilver]

Dude, your videos are blowing up 🎉

[@hordegaming4771]

To me their closest living relatives are probably monitor lizards, snakes could be a contemporary but the overall body plan of a Mosasaur isn't far from modern day monitors, especially water monitors. Just look at the skulls of both and you can tell they're linked and I wouldn't count out the possibility that Mosasaurs eventually over 65 million years slowly evolved to go back on land and become what would become the likes of Megalania a giant Komodo Dragon and a splinter group retained their water like tendencies to become water monitors like the Asian water monitor lizards today. That's my theory but they were probably the most formidable marine predators of their time and could probably rival most today if the Earth was warmer like it was back then.

[@FaeQueenCory]

Fun fact: there's a lot of debate on if snakes evolved losing their legs on land or in water. So it could easily be that snakes evolved from a mosasaur line directly.

[@TasimanaOG]

tylosaurus. P was larger than Mosasaurus. H - most recent estimates for the largest individuals are around 17-19 tons with a higher estimate of 22 tons being possible. By comparison Mosasaurus. H was around 10 tons with 15 being possible but unlikely.

[@francissemyon7971]

Source ?

[@anzulem3752]

I really enjoy your videos !! Keep it up:) could you consider doing one about deep sea creatures ?

[@LarzGustafsson]

The mosasurus is fascinating!

[@johntillman6068]

Mosasaurs did not live throughout the Cretaceous Period. So far, they've been found only in rocks from the Late Cretaceous Epoch.

[@theMenace985]

Love your channel, I hope to see a video on the Haast Eagle or the Megalania.

[@Despond]

The largest lifeform on this planet that we know still currently exists. Amazing when you think about it and how old the Earth is.

[@ArtMares91]

**a platycarpus crashes into Doofenshmirtz Evil Inc** Doofenshmirtz: A platycarpus? **platycarpus puts on a fedora** Doofenschmirtz: Perry the Platycarpus?!

[@nobodyspecial115]

😂 that beginning quote sounds like something my buddy would say, been trying to get him out on a boat forever now.

[@peterashby-saracen3681]

I really find it incredibly tedious that TRex is constantly flaunted as the supreme predator of all time. Yes, it was an amazing apex predator but there are so many more in prehistory that were just as awesome if not far more so. The marine predators are definitely among those as must be the giant pterosaurs and indeed so many groups both pre and post dinosaur.

[@lewisdogdson416]

Supreme predator on land for sure.

[@cadebritt8001]

Remarkable ! And thanks for the video.

[@ryanfischer5011]

Really happy to see your channel, love your interpretations of extinct animals.

[@syedmuhammaddaniyalhasansh2276]

Since we're talking about the largest Cretaceous carnivore wouldn't that be Spinosaurus? Estimates for Spino are larger than T-Rex and Mossasaurus but T-Rex was more bulkier

[@markcobuzzi826]

Last time I heard, Spinosaurus is currently estimated to be longer than T. rex but not as heavy. It sounds similar to how the giant squid is generally considered longer than the colossal squid, but most of the verified evidence suggests colossal squid has the greater maximum weight, due in-part to its bulkier proportions. And since mass is usually the go-to metric for size, that would still make T. rex the record holder for largest land predator. That is, unless some new specimens/studies come out suggesting the Spinosaurus’ maximum size was greater then previously thought.

[@arijit3110]

Size is determined by weight not length.

[@MaximumPrime]

Trex is still heavier than Spinosaurus but not longer

[@animalsoundsreal]

Very interesting information on your channel👍💥🤝

[@PolarBearFan24]

mosasaurus is my favorite marine reptile

[@hcpsmansdddeglm]

its also the most well known marine reptile

[@PolarBearFan24]

thats a cool fact@@hcpsmansdddeglm

[@markcobuzzi826]

Speaking for myself, I would go further and say that Mosasaurus is my favorite prehistoric marine beast in general. To me, it strikes this uncanny balance between being familiar (like Megalodon, Livyatan, etc.) yet also looking more otherworldly/mythical (like the ichthyosaurs, plesiosaurs, etc.). Plus, it is not very common to see a top niche in the Mesozoic ruled by an animal so closely related to the smaller animals of our modern age.

[@rosenmary5353]

cool, my favourite prehistoric sea creature is the dunkleosteus :)

[@Lightman0359]

Surprising seeing the first 2 things they thought it was that the Genus didn't become Suchocetus or "Whale-Croc"

[@akselbentsen3683]

So we’re not gonna talk about the terminonator???

[@firexeno7922]

This video nonfiction what 💀

[@JuanPiece.]

💀💀💀

[@BlastedMaster]

I'm cleaning coffee off of my desk right now. Terminonator is indeed too hilarious for a sip of joe.

[@eschaton5058]

MAAAAN THAT REFERENCE IN THE BEGINING!!

[@robwalsh9843]

I wonder about mosasaur intelligence. Monitors are pretty smart as far as lizards go, who knows what mosasaurs were capable of.

[@LonelyWolf-ij4xz]

Dang that list of competition put a spell on me 😂

[@PrehistoricMagazine]

Nice video as always. Mike from Prehistoric Magazine

[@trkowalski34]

I personally think you should make a video about the sauropods Seismosaurus, Barosaurus, Argentinosaurus, Patagotitan, Sauroposeidon, and Dreadnoughtus. I would love to see that! i love to find all of the fascinating facts about the prehistoric mysteries.

[@jaysonspears464]

Thanks to the OP for also including the imperial measuring system. Not everyone knows the metric system.

[@nickjonaz3710]

Great content 🔥

[@user-fy8zz7xh2m]

Do you not think that these seperate dinosaurs could be the same dinosaur at a different age aka Jack Horner TED presentation?

[@storiedstrength]

14:44 At this point you’re just naming Pokémon

[@user-xe3mj9kb2x]

Biggest, most dangerous, yadda yadda yadda. All hail the magical liopleurodon. Nothing trumps magical liopleurodon.

[@LiMacBrazyy]

If it were possible I’d love too see all these animals alive in person it would be crazy seeing predators like these wit their crazy size

[@KrispyAimAssist]

Carnage count for this vid: 0:45 'first blood' 1:44 'Its behind me isn't it ahh death' 2:11 honorable mention 3:07 'bro thought his shell could protect him' 3:43 'Bro done ate chocolate' 6:16 'Where do u think ur going ahh death' 7:25 'blud thought his wings could save him and got caught lacking' 7:54 'too slow grasshopper ahh death' 7:57 'two is better than one ahh death' 8:03 'humans feed monster' 8:19 'leave my family alone ahh death' 8:24 'bros long neck was his downfall' 8:26 'blud done got killed while napping' 8:38 'bro rly thought land was safe' 8:44 'u stole my food ahh death' 8:57 'nah blud got abandoned by his friends' 9:15 'this snack kinda crunchy ahh death' 9:30 'Jeffery Dahmer ahh death' 9:33 'bros opps done took his place as king of the dinos' 10:19 'watch your jet bro, watch your jet! ahh death' 10:37 'You owe me money, that loan you took, its payday ahh death' 10:45 'blud rly thought that since he the lockness monster he safe' 10:48 'RKO' 11:06 'Great white shark king of the ocean I think not ahh death' 11:23 'Not on the first date ahh death' 11:28 'fish school shooting crustacean period edition' 11:34 'blud done got jumped for hogging the O2' 11:47 'gimme that back meat boy ahh death' 12:08 'bro rly thought he looking cute in this pic by walking on land' 12:20 'bro done forgot about skin cancer and died from sunburn' 12:58 'all you can eat buffet ahh death' 14:05 'bro ate chocolate part 7' 14:23 'fetch me theyre souls ahh death' 15:48 'honorable mention' 16:55 'Bro its just a prank'

[@steveshoemaker6347]

AMAZING CHANNEL.....Thanks

[@AussieRider20]

I love the deadliest seas show! Its something i love to go back and watch

[@Titantr0n]

Awesome video as always. And something for your consideration: I've found myself skipping over the promo "teaser" and missing content because I thought it was the promo, which came later. I dunno, obviously you know better but I'm not sure about the promo teaser thing :)

[@caramelpancakes2]

what is blud saying

[@Amesang]

_"There's a fell voice in the sea!"_ _"It's Saurodon!"_

[@gimmeyourrights8292]

There's always a bigger fish.

[@YnseSchaap]

The first Mosasaurus Hoffmannii is currently in France that stole it in 1795 during the French occupation of Holland, it's still there 😁I think we would like to have it back

[@Misterguy187]

Love ur content👍

[@slappy8941]

Ur? You can't write out your words like a big boy? 😂😂😂

[@boxboxer4183]

​@@slappy8941.....it doesn't really matter tho...😐

[@Misterguy187]

​@@slappy8941does it matter?

[@Misterguy187]

I wasnt Sure if "your" was how you write it so I just said "ur"

[@beatboxinjonny]

9:07 I read it as hard boiled & was extremely confused for a split-second

[@cursedseagullgames]

I know this is about mosasaurs, but I lost it at 7:16 seeing Shastasaurus Pacificus. Look at them, they're so round and rotund! Another predator that is friend shaped to perfection. ; w ;

[@tylercoombs1]

Man, who needs Pokemon.

[@LexJpFan14]

Me

[@nealkelly9757]

Lol at the scene with the mosasaur swimming with a TRex in it's mouth

[@El-Rico]

I'm sure that the teeth weren't designed, but evolved.

[@yusavelli0448]

Terminonatator, I had to pause loool

[@chheinrich8486]

Mosasaurs is quite literally the largest lizard ever😂

[@srobeck77]

literally or figuratively?

[@quakethedoombringer]

Triassic Icthiyosaurus: "Lol"

[@Danny-mg1hu]

its the largest Lizard??

[@billyherrington5112]

​@@quakethedoombringer they are not lizards. They are primitive zaurognats or last remnants of parareptilia

[@chheinrich8486]

@@srobeck77 literally, because their squamates(lizards)

[@Tundraviper41]

The Mosasaur probably swam very similarly to Mondern day Monitor lizards and Crocodilians, which use their flattened tails like an Oar moving it from side to side which makes even the Largest Montior lizards like the Komodo Dragon swim at a Quick 12 MPH in water. although the Mosasaur would have been faster and more maneuverable .

[@coledavidson5630]

8:59 uncanny valley skull

[@kieba2207]

Do you tought about publishing your videos on spotify as podcast??

[@123darkpassenger]

How I’d love to be a fly on the wall during these times, To see all these animals interact with eachother

[@FaeQueenCory]

Whales: long, elegant, massive... Mosasaurs: chonk

[@hornetrage4365]

If anyone is interested in some amazing marine fossils, Morden Manitoba's Canadian Fossil Discovery Centre has an amazing collection. They have a vastly complete specimen of a Tylosaurus pembinensis named Bruce. There's also statues around the city of other prehistoric marine creatures.

[@00monkeydude001]

I thought it was gonna be a relative to the orca

[@NGG1983]

Its crazy to think that sharks just went along doing their sharky business all this time and still look the same as they did hundeds of millions of years ago.

[@yodatrucker420]

Dunk is my favorite fish meg is cool but dunk was just insane

[@adriannegrete9586]

You forgot to mentioned about Cretoxyrhina whose the largest shark of its time. Even it rivals Mosasaurus as well as Tylosaurus.

[@valkerie2809]

I loved walking with dinosaurs as a kid. I still love it. It’s amazing

[@glitterytrinket6246]

Great show

[@nigersaurusrex]

whats the name of the mosasaur speciemen that was 18 meters?

[@panoskarydis7947]

Penza specimen or the new one in 6:47-6:53.

[@thelonesage3146]

All these long complex names then we just get Sand shark lol

[@the_arm_bar]

The teeth within teeth is so gangster

[@xvii9202]

14:43 Imagine being the one on this list With all these weird edgy special names and you come out with “ sand sharks ”

[@austonbrady792]

no one said trex was the biggest carnivore from the cretaceous btw.

[@SitaraAleu]

Some do. I guess they forget the sea existed lol

[@meeverybody8826]

Does anyone know what TV show the very first clip is from? I saw it many years ago when I was a kid and have been looking for it for a while.

[@ExtremeMadnessX]

Walking with dinosaurs: Sea Monsters.

[@whydoyougottahavthis]

WAY AWESOME BRO!!!!!!

[@aleiferthenorthman7935]

i am into extreme sports, and i live in a city on the shore. i never feared ANYTHING from back when i was a kid.i'm a mountain man sort of guy and a bit claustrophobic, never feared any animal although i have many reasons to be. but i'm always prepared and know that if something would happen i can defend myself with weapons and experience. but the ocean ; Noooooooo. i swim like everybody never go too far. but going scuba diving for example terrifies me. 5 to 10% of water on earth has been researched, and we already have millions of venomous creatures, huge alien like fish(seriously some are more alien than real aliens probably), no defense(a harpoon i one shot if you miss or injure only you die), if your tank gets a hole you're dead, if you can't take your weights off, you're dead, not to mention that 90% of the ocean is still filled with creatures we will never know how they look or what they do. if you sink, pressure will kill you, if your flashlight goes off you're literally blind, in the complete dark. you are at a disadvantage in every way, shape or form. honestly it's scary even thinking of being so deep with nothing you can do if anything were to happen..

[@wheelmanstan]

Seems pretty big, not Jurassic World level big though, but how's it stack up against a Megladon?

[@theDoctorwitTardis]

*"...because back then, it was believed no animal coupd ever go extinct."* The unshakable certainty with which our ancestors viewed the world never ceases to amaze me with the depth of its idiocy 😂

[@jonesfamily4326]

Interesting fact, if you are being attacked by a mosasaur all you need to do is remember that they became exstinct way back when and your probably only dreaming.

[@Weberkooks]

Love the name Terminonator for a sea monster

[@juncai1646]

Terminonatator is a crazy name 😂

[@Dr3amW1zard]

15:02 Terminonatator lost it