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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)
“Spacial Harvest” Kevin MacLeod (incompetech.com)
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Nigel Marven, WAS A LEGEBD
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!
WAY AWESOME BRO!!!!!!
Very interesting video! Learned a lot of information! Great video 😍
Do you know how to speak English? Your pronunciation is atrocious, seriously bruh. You completely butchered common every day words. WoW.
Nice video as always. Mike from Prehistoric Magazine
These videos are very well put tohether and are a fun and interesting watch! I love this content, can't wait for more!
“And of all the mosasaurus to come and go, the mightiest and largest of them all was the mosasaurus”
…a little redundant, but OK.
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.
Great show
Biggest cretaceous land predator was spinosaurus
You forgot to mentioned about Cretoxyrhina whose the largest shark of its time. Even it rivals Mosasaurus as well as Tylosaurus.
Love your channel, I hope to see a video on the Haast Eagle or the Megalania.
I don't like the way you said "Rig-gid" or "soot-yers"
9:07 I read it as hard boiled & was extremely confused for a split-second
Uhg. Videos on YouTube with these on cleverly placed sponsored ads is getting a little out of control. #ThumbsDown
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?
I have thalassophobia. What am I doing here? Why am I here? Why do I still have the video playing as I comment this?
Shastasaurus is massive!
As an Aussie i would agree with this
Could moasasaur attacking their own because them beung so territorial? Like saltwater crocs
Shouldn’t you credit the thumbnail Artist?
Fairly sure the largest mosasaur was a Tylosaurus
1:22 it was believed that WHAT???
8:59 uncanny valley skull
T rex was the largest terrestrial carnivore.
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.
Never get off the boat
Dude, your videos are blowing up 🎉
"To me nature is… spiders and bugs, and big fish eating little fish, and plants eating plants, and animals eating… It's like an enormous restaurant, that's the way I see it." – Woody Allen, Love and Death
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
T Rex ruled the land. Mosasaurus, the seas.
Thanks to the OP for also including the imperial measuring system. Not everyone knows the metric system.
It was never it was spinosaurus… (Bro its a joke)
What does Anagenesis means
Mosasaur giant sea komodo dragon
So were they sea-going dinosaurs, or lizards?
Wait, people didn’t think “extinction” was possible? What?
15:03
╭(❛︣ ₒ ❛᷅)╍☞ “that’s no gator, that’s a Terminonator”
Earth life used to be wild af.