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Mosasaurus; King of the Cretaceous Seas

Mosasaur

Mosasaurus; King of the Cretaceous Seas

Related closely to monitor lizards, and snakes, Mosasaurus was not a dinosaur, but an aquatic lizard that evolved to become the undisputed king of the seas, back when the seas made up 80% of livable space on earth.  

Dwarfing the land carnivores, Mosasaurus grew up to 80 feet long, weighing 8 tons (think tour bus).

So how do you become the biggest, the baddest, the top carnivorous predator?  Well, you keep what works and toss what doesn't.  Over time, you will evolve to be so in tune with your environment, that you are destined to rise to the top.  

Mosasaurus kept the forked prey-tasting tongue (from his lizard past life) to locate prey in water.  This monster adapted it's reptilian ears to hear incredibly well underwater, and added sonar sensors along it's muzzle like Orcas.  
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Mosasaurus; King of the Cretaceous Seas

Jaws that can unhinge like your snake cousins- let's keep that cool feature too.  

Keratin found in the skin cells show that this ambush predator was dark on top, and light on the bottom.  All the better to lie in wait and surprise your dinner with a quick burst of speed from below- (think crocodilians).  

Speaking of crocks, what about that tail?  The round lizard-like tail evolved to widen and flatten over time to endow this creature with speeds of 30Mph.  Let's trade in your claws for huge steering flippers to add agility.

Since Mosasaurus did not even sport T-Rex sized forearms, another incredible adaptation ensured the slippery prey had no chance of escape:  backward-facing teeth and a complete second row of independently moving upper teeth meant today was a good day to showcase... "super powers of death dealing."  
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Mosasaurus; King of the Cretaceous Seas

This Massive hunter was not a picky eater.  Mosasaurus remains have been found with turtles, hard-shelled ammonites, birds, fish, other reptiles, massive sharks, and even other mosasaurus parts where the stomach would be.  Yes, he was a cannibal-(we can't foster morality when we are King of the world, now, can we?).  
Mosasaurus was not picky about the neighborhood either- he rules the salt seas, fresh water, and unique brackish environments worldwide!  

Let's talk about focus!  Every top athlete needs focus! Lady Mosasaurus never even left her hunting grounds to lay eggs on land like any other self-respecting marine reptile does. Oh, no, she gave birth to live young (on her coffee breaks).  

Speaking of world domination, multiplying like rabbits never hurts- Mosasaurus remains have been found with twin skeletons awaiting their birthday debuts.  

And that, my friend is how you rule the world, at least until a the next cataclysmic event wipes you out (along with all your pesky competition).  
Want to learn more?  Credits to this amazing documentary:
 


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