How Plankton Created A Bizarre Giant of the Seas 

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Check out Bizarre Beasts! iritem.info/cd/fy-lm-h-y/etemlryasIuxjGg.html
At more than 2 meters long, Aegirocassis was not only the biggest radiodont ever, but it also may have been the biggest animal in the Early Ordovician. This bizarre marine giant may have only been possible, thanks to a major revolution among some of the tiniest organisms in the world.
Thanks to Franz Anthony (franzanth.com) and Ceri Thomas (nixillustration.com/) for their excellent radiodont illustrations featured in this episode!
And special thanks to Peter Van Roy for providing us with those excellent Aegirocassis fossils!
Produced in collaboration with PBS Digital Studios: iritem.info
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References: docs.google.com/document/d/1ROVwedFS-I_VXFTG_wHzYv6L21LQkmVhPPr8RARyQYs/edit?usp=sharing

علم و فناوری

تاریخ انتشار


2020 10 نوامبر





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The Duke Of Dorks
The Duke Of Dorks پیش روز
Ancient sentient submarine
Zelda vibes
cory0320 cory0320
cory0320 cory0320 پیش 6 روز
Jumbo shrimp ain’t got nothin’ on this guy!
Nathan Kiefer
Nathan Kiefer پیش 7 روز
If they were still around they'd be radiodoes instead of radiodonts
Alexandre Mello G. G.
Alexandre Mello G. G. پیش 7 روز
I love how you recognize the people's lands and cultures where the fossils were discovered, like you do on a lot of your videos. It's respectful to these people and informative to us! 8:35 for those who didn't understood about what I'm talking about.
Turb0 پیش 7 روز
"Behold Krabs, my Bizarre Giant of the Seas will not only run you over, but get me that formula!!!"
David Baker
David Baker پیش 8 روز
Wonder when animals got cute?.
Viorp پیش 8 روز
Halucigenia >>> Amolacaris Fight me
Airsoftpopcorn پیش 9 روز
Yall think it would taste good tho?
MastemaJack پیش 9 روز
Native people need to know science is more important
Ramna Viaz
Ramna Viaz پیش 10 روز
Every time I learn about these ancient arthropods I always wonder how they would taste like after being boiled, with a nice side of garlic butter and lemon juice.
Wiggiag II
Wiggiag II پیش 10 روز
Looks like my creature in Spore
Aaron D
Aaron D پیش 13 روز
Crazy to think what type of animals/creatures have lived before humans showed up.
Jennifer Girard
Jennifer Girard پیش 13 روز
What happened to Eonite STEVE?
Daxxon Jabiru
Daxxon Jabiru پیش 13 روز
Back then, lifeforms were cute and creepy at the same time.
TiagoTiago پیش 17 روز
Radiodonts look like those old mistaken fossil reconstruction; but then again, platypuses are real after all...
Were Dinosaurs Natty ?
Were Dinosaurs Natty ? پیش 17 روز
Anomalocaris and Kamala Harris sound oddly similar
James A
James A پیش 17 روز
So the largest a animals ever are blue whales alive today and they eat plankton. Why didn't early animals rapidly evolve to this size if plankton are available and that size it optimal?
Fuzzy Demon
Fuzzy Demon پیش 18 روز
Did you actually go to school? You mispronounced so many words, even ones that are well known.This is not a regional accent. You just don't know what you're talking about.
Kyle Draper
Kyle Draper پیش 20 روز
Jake Shire
Jake Shire پیش 23 روز
can you give us actual numbers for sizes instead of weird comparisons that only Americans understand? i literally had to google how long a "stick of gum" is in america...
VaultBoy7 پیش 25 روز
Why do they keep panning out to an entirely awkward full body shot? What documentaries do this? None. Makes me uncomfortable watching. Stopped. Wont be doing this again, thanks PBS for screwing up documentaries with funky jeans and a non-pro narrator.
Lilith The Alien Queen
Lilith The Alien Queen پیش 29 روز
0:26 did anyone else notice that they look like a giant worm on a string?
Millie Dean
Millie Dean پیش ماه
ah Anomalocaris is so... Jena se qua
Mike Switzer
Mike Switzer پیش ماه
2:29 me having a mini stroke trying to say the vice presidents name
Ye Bro
Ye Bro پیش ماه
Aegirocassis: *doesn‘t exist* Plummeting global ocean temperature levels: „i‘m about to make this man‘s whole career“
Oskar Drabikowski
Oskar Drabikowski پیش ماه
The Elder Things! Lovecraft approve.
OliAnims پیش ماه
he's coming for that secret formula
Zeno Lachance
Zeno Lachance پیش ماه
Am I crazy or do these things look like brine shrimp??
jans belerts
jans belerts پیش ماه
all because he wanted that Krabby patty formula
Oddity X
Oddity X پیش ماه
I feel like I'm looking at subnautica concept art.
Hay man
Hay man پیش ماه
Wait where is STEVE?????
Jack Horn
Jack Horn پیش ماه
Why are planktophages always so huge?
Nick Q
Nick Q پیش 16 روز
Cos plankton feeding takes very little energy and gives a good energy return, getting bigger doesn't hinder them getting food and being bigger tends to allow an organism to avoid being preyed on and traverse a broader set of environments
Murtaugh Dram
Murtaugh Dram پیش ماه
Why are volcanoes so calm most of the time? Because they sure let off a lot of steam.
rickulrick پیش ماه
These videos are awesome 😎
AliasUndercover پیش ماه
Jumbo shrimp.
Ario RW
Ario RW پیش ماه
sea animal that eat plankton have a massive body size like whale shark and other whale.. and this..
halogeak12 پیش ماه
Plankton just wanted the crabby paddy formula
مركة فاصوليا
Plankton created this so he can steal the crabby patty formula
Kaefer1973 پیش ماه
This is inspiring, I feel inspired to pick up a dictionary and research if either the word "good" or the word "joke" has a different meaning from what I always thought.
F27 Bop
F27 Bop پیش ماه
I guess plankton from the chum bucket finally created something good.
Jesse Rothhammer
Jesse Rothhammer پیش ماه
Hunter Hagen
Hunter Hagen پیش ماه
0:20 he named it after aegis I’m hoping an hour just pronouncing it wrong because that’s incredibly dumb name otherwise. I’m assuming you said it wrong due to it looking like a shield almost.
K Sisu
K Sisu پیش ماه
Thank you for acknowledging the Indigenous Nations
Mike Honcho
Mike Honcho پیش ماه
2 meters is 6 1/2 foot not 7? Lmao come on y’all can do better than that
Mohamed Anan
Mohamed Anan پیش ماه
Mr crab has got to be worried
Caleb Robirds
Caleb Robirds پیش ماه
Hélène Honsbein
Hélène Honsbein پیش ماه
I love how she says tiny.
Raymond007 پیش ماه
And yet he still cant steal the Krabby patty's secret formula
soy_saace پیش ماه
planksblob mdae murtaton on ehalr
SirMikay پیش ماه
I knew Plankton was behind this...
Gacha Brixit Biscuits
Gacha Brixit Biscuits پیش ماه
"Kind of like lobsters" das a brine shrimp
Jason پیش ماه
id eat those
Enclosed Grand Dad
Enclosed Grand Dad پیش ماه
I can't believe Sheldon J. Plankton put so much effort into creating that giant creature, only to still fail to get the Secret Formula.
Kemble L. Gilstrap
Kemble L. Gilstrap پیش ماه
Herbert Fawcett
Herbert Fawcett پیش ماه
I would love to hear consistency in cause of co2 and the effect everything has on climate. iT'S LIKE NO ONE LISTENS TO WHAT IS SAID!
Solsun پیش ماه
Props to PBS for the disclaimer acknowledging the fossils found on indigenous land at the end :)
Dave Witham
Dave Witham پیش ماه
Americans will use anything but the metric system.
Interface پیش ماه
But that has nothing to do with you.
Caparroz پیش ماه
I'm offended that you didn't apologize for all the plankton that was just chillin 550 million years ago. It was their land!
Harvey Banestein
Harvey Banestein پیش ماه
Anyone else come here hoping it was about a secret formula ?
Electroghoul پیش ماه
We need boiling water, shell cracking thingies, and a time machine.
AM A Dog
AM A Dog پیش 2 ماه
@2:34 hey look hallucigenia
Bubba Gump The Shrimpboat captain
I wonder if filter feeders like blue whales can see the plankton they're eating or do they just open wide and...?
Viet Le
Viet Le پیش 2 ماه
but was it delicious?
Vitor Emanuel Oliveira
Vitor Emanuel Oliveira پیش 2 ماه
It might have something to do with stealing sponge bob's secret recipe
R Nunez C.
R Nunez C. پیش 2 ماه
Radiodonts kinda suitable name for a FMradio playing Led Zeppelin albums all day long...
David Moreno
David Moreno پیش 2 ماه
10 minutes for an info that could have been given in 4 minutes... IRitem, can you suck more?
Artorias Blacktempest Pendragon
Imagine if these guy not extinc and replace whales
animagi پیش 2 ماه
1:20 we're gonna need a bigger pot and slab of butter
animagi پیش 2 ماه
plankton revolution sounds like something out of a spongebob movie
Jonathan Williams
Jonathan Williams پیش 2 ماه
That’s a lot of seafood 🦞
ASadPuppy پیش 2 ماه
Imagine one of those for dinner. Wooooweee
Alexander Müller
Alexander Müller پیش 2 ماه
When I saw the title I thought the Video is about spongebob
Jov Ven
Jov Ven پیش 2 ماه
A lot of those planktons must have been looking for the secret formula.
AngryFish 5
AngryFish 5 پیش 2 ماه
This is why I want to become a marine biologist. The ocean and it's inhabitants both living and extinct are extremely fascinating to me.
Wesley Smith
Wesley Smith پیش 2 ماه
radiodonts have kinda always reminded me of sea centipedes. One “leg” per segment, long, predators.
Enhanced Spoon
Enhanced Spoon پیش 2 ماه
That'll defensively help him get the secret formula
ANAZE RO پیش 2 ماه
he can now steal the crabby patty recipe
李碧畵 پیش 3 ماه
Mmmmmm giant lobster
CheesyGamer01 پیش 3 ماه
Concept art for subnautica*
LucVNO پیش 3 ماه
If you are going to mention where some of your fossils come from, tell us where they are all from. Stop treating some people like they are more important than others.
Fluxster102 پیش 3 ماه
Basically small Cambrian whale. Cool! I love biology. Thanks for the introduction to Bizarre Beasts. Gonna go check it out right now.
Ari S
Ari S پیش 3 ماه
Nobody else seems to have mentioned it so I'll say it - good on you for including the names of the Indian tribes where the discoveries were made.
John Collins
John Collins پیش 3 ماه
It's amazing how we see convergent evolution throughout the fossil record, Gorganopsids and large cats, Paraceratherium and Giraffe, Barnacles and Limpets, Ichtyosaurs and Dolphins, this thing and baleen whales...and of course everything and crabs.
Cory D
Cory D پیش 3 ماه
I hope Steve is doing alright
Hugo Dufort
Hugo Dufort پیش 3 ماه
Are they the largest arthropods ever?
Eko Subandie
Eko Subandie پیش 3 ماه
The extinct eurypterid Jaekelopterus and extinct giant millipede Arthropleura were still larger than it
Hobi Hobi Ho
Hobi Hobi Ho پیش 3 ماه
Hehe, Homo Sapiens Sapiens dumped all our evo points into Int. Clearly understanding that avoiding extinction requires refinied skills.
firenz shah
firenz shah پیش 3 ماه
Meh. Not too big. Clickbait.
Snickers my Knickers
Snickers my Knickers پیش 3 ماه
When I first read the title I thought it was plankton from spongebob and that someone had theorized that he had made a giant gun or something. No? Just me? Oki doki.
max_mezz 05
max_mezz 05 پیش 3 ماه
lol i thought this video will be about whales
Christina Fidance
Christina Fidance پیش 3 ماه
Am I the only one who thought of Plankton from Sponge Bob at first??? Like he was some kind of mad scientist or something? (And yes, I am a frequent viewer of Eons- the title just caught me off guard!)
Amp S
Amp S پیش 3 ماه
Coolest pool filter ever
HUNdAntae پیش 3 ماه
Did radiodonts taste good like crabs and shrimp tho?
Baccorame پیش 3 ماه
For a moment I thought this might be an exploration of the episode of spongebob where Plankton switches places with Mr Krabs. Boy was I wrong and disappointed.
Perianna Terran
Perianna Terran پیش 3 ماه
*sobs when they dont say steve*
Perianna Terran
Perianna Terran پیش 3 ماه
2:38 I'd say hard body since they have some traits similar to the Hell Ants in your other video
Michael Carter
Michael Carter پیش 3 ماه
Actually I've seen on a documentary, I believe it was the evolution of jaws. They found fossil evidence of Anomalocaris bite marks on a Trilobite.
Avery Johnston
Avery Johnston پیش 4 ماه
Looks like the snake baby from “Raised by wolves”
Tara Anne
Tara Anne پیش 4 ماه
I paused in the middle of watching and when I unpaused she said “Now while plankton did become more complex” I thought she was talking about Plankton from Spongebob
Frogboyaidan پیش 4 ماه
Frogboyaidan پیش 4 ماه