The BIOGEOGRAPHY of the DINOSAURS
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- Опубліковано 24 тра 2021
- 80 million years ago an entirely different class of animal ruled this Earth. The warmer temperatures allowed reptilians to grow bigger than any animal ever had before, bringing about the age of the Dinosaurs.
But with a natural history spanning more than 180 million years, there's a lot to know about these creatures.
Follow me on twitter @theatlaspro
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Paleogeographic maps and animations by C. R. Scotese, for more information: www.earthbyte.org/paleomap-pa...
Special thanks to:
Cisiopurple on Deviantart for his many dinosaur drawings used in this video
Music: / pangaea
Sources / Extra Materials:
www.researchgate.net/publicat...
artscimedia.case.edu/wp-conte...
www.deviantart.com/cisiopurple
www.researchgate.net/publicat...
www.pnas.org/content/117/46/2...
When you can hear how eloquent he chooses his words, you know he got inspiration from the best dino out there. The thesaurus
Oof. =-D
I laughed wayy too hard on this one!!
Get out
You know it's a good pun when the immediate response is extreme anger
LOL. Good one!
“As a kid I was never interested in dinosaurs”
Me: “Dude are you sure you ever were a kid?”
Stfu
@@blyat5352 stop wooshing
@@blyat5352 Wooshers: Palestinian Missiles
Your name: Israeli anti-missile dome system
@@blyat5352 Imagine trying to insult others because you frequently don't understand anything.
I think it's a cultural thing. Never been fascinated by dinosaurs myself. Yep, there were giant lizards, some of them did fly, most of them were ridiculously large. Humans never met them, so the interest died even if there was one. What fascinated me though was the geography. Countries on the map, capital cities, flags.
Oh, I never watched Jurassic park as a kid - that's the reason.
Wow this covered such a long span. You really outdid yourself on this one. Fantastic video!
I know right?
Oh hello there
lets make a video about THIS on YOUR channel
Why do I keep seeing you comment on all the vids I've been watching the past couple days wtf lmfao
So India split from Madagascar... Does that make it the TRUE lemuria? NO. But it's fun to theorize.
Are we just gonna ignore the fact that he said he wasn't interested in dinosaurs as a child?
Like... thats a thing?
i was also not interested in them i thought they were extremely ugly 😭
To be fair, Dinosaurs never got my attention as a kid. I watched the Jurassic Park movies and I enjoyed watching them, but I never find the Dinosaurs interesting.
Now as an adult, I think deeply and look at the animals we have on Earth such as dogs, sharks, snakes, cats, deers, etc. It really made me think, "Did these creatures really existed on Earth?"
I can’t fathom how he wasn’t interested in them. Like WTF?
As a 9 year old (im using my brothers account, so im not technically breaking any youtube rules) i can assure you, being uninterested in dinosaurs is a thing. Its just a bird that turned into KFC over millions of years. Geography is wayy more interesting and im only here to learn how the earths geography affected the dinosaurs and how it might also affect us (if we somehow survive)
@@cattoleonce4066 Geography is not objectively "way more interesting" people have opinions. and saying "It's just a bird that turned into KFC" so you're saying a giant 30 meter long beast that could knock over trees is KFC? an 8 ton superpredator that could crush a car in it's jaws is KFC? That's the dumbest shit I've ever had the displeasure of reading in my life.
(also you're clearly not 9 years old based on how you worded your comment)
"This large circular structure in southern Mexico."
Heh... We know what's coming...
Apparently not, according to this video Chicxulub impacted Tennessee.
Southern Mexico more like former Yucatan republic
Or northeastern Guatemala pick your poison.
@@InconceivableV Me: "Tennessee?"
You: "Cuz he is the only ten I see." 😉
SPOILER ALERT
Non-Avian Dinosaur in the late creataceous be all like "I'm sure the mystery circular structure foretold by AtlasPro is nothing to worry about"
may there be no circular structures like that in your and indeed our future
Atlas Pro: *reveals face*
Me: So you're 3blue1brown's brother.
I was thinking the EXACT same thing!
I am so suprised he reveals his face before his 1m subs
Edit: Coat in summer?
Me too
3BlueOneBrown
Earth is 3 parts Blue one part green-brown.
This isn't his first face reveal. He revealed his face In what are nebulae video. Tho this time his face was clearer.
Some respectful notes on the information from the video (primarily the first part):
- Although Pangea was entirely connected, large interior deserts made it difficult for species to move to new regions. This is why the earliest dinosaurs are almost exclusively found in South America; they didn't spread further until the late Triassic.
- Carnivorous theropods do predate the Triassic-Jurassic extinction, though as stated the top predators of the time were not dinosaurs.
- The Triassic-Jurassic extinction corresponds more closely with the breakup of Pangea than with its formation.
- Although the continents began to separate in the Jurassic, the biogeography was still pretty consistent globally. Sauropods were the dominant herbivores, with some Ornithischians being present, while the dominant predators were Allosaurs and, secondarily, Ceratosaurs. When the biogeographies of Laurasia and Gondwana began to diverge during the Cretaceous, Gondwana kept the same biogeography from the Jurassic (with Allosaurs and Ceratosaurs being replaced by Carcharodontosaurs and Abelisaurs, respectively) while Laurasia developed the diversity of Ornithischians and Coelurosaurs (e.g., Tyrannosaurs and Dromaeosaurs) discussed in the video.
- Spinosaurs, although they could be longer than other large theropods like Tyrannosaurs and Carcharodontosaurs, were more gracile and therefore lighter weight. They would not have required buoyancy to support their body mass. Additionally, Spinosaurs were also found in South America and, in the case of Baryonix, in Europe.
As someone who was (and still is) very interested in dinosaurs, I think biogeography is a useful and interesting lens through which to understand them, and I commend the video for exploring it.
Europe is (again) considered the origin of spinosaurids and Baryonyx was just one of many spinosaurids that lived in early Cretaceous Europe. For example, Vallibonavenarix, Iberospinus, Riparovenator, Camarillasaurus, Seratosuchops, Suchossurus, Riojavenatrix Protathlitis, Ceratosuchops and "White Rock specimen" are from Europe.
I do have one criticism: where are the allosauridae? They play a HUGE role in Cretaceous South America and the Mid Jurassic. Either way, everything else was stellar!
Yeah it was weird, especially since he talked about Spinosaurs which went extinct around the same time as the big carcarodontosaurids in the mid-late cretaceous. Like I was at the very least expecting a mention of Giganotosaurus.
@@lizardlegend42 so many of these dinosaurs were incredibly influential. Allosaurus was the pack hunting royalty of the jurassic, Mapusuaurs and Giganotosaurus DOMINATED South America, Carcharodontosaurus was a power-player of Africa and Acrocanthosaurus held the eastern seaboard of the US under its high-slimed heel. Even Concavenator and Neovenator had their own time in the sun. I’m deeply saddened they weren’t included
When I looked at the screen, I see animated stuff, seconds later after I looked away and back again, I see a face reveal
Same
AtlasPro: “Even as a kid I was never really interested in [dinosaurs].”
I present to you proof that AtlasPro was actually grown in lab to be a super-intelligent super-human.
It's either dinosaurs or trains. I was a train kid, hardly a dinosaur kid.
@@TheSonic10160 or cars
Never got the dinosaur hype.
I memorized every dinosaur when I was young
@@kacperbaron2805 was neither into dinosaurs, cars, trains or trucks. I was into space
Carcharodontosaurs and other Carnosaurs on South America, Africa, and Asia: are we a joke to you?
You left out a very large and major part of the theropod family tree: The Carcharadontisaurians. They began in the Jurassic with early off shoots being the likes Allosaurus and Saurophaganax (aka Allosaurus depending on who you ask), and diversified into monstrous big game hunters in the Cretaceous. These were dominant in the ecosystems they were present in, which included Appalachia (Acrocanthosaurus), South America (Tyrannotitan, Mapusaurus, and Giganotosaurus), Africa (Carcharadontosaurus), and Europe (Neovenator). From what I remember, they tended to die out as the Late Cretaceous entered full swing. South America is very interesting in this case as when the Giganotosaurs left the fossil records, the niche for hunting large sauropods (maybe not Argentinasaurus, there was plenty of other sauropods in the area that could satiate them) was left totally vacant and afaik we haven't found anything that took their place. The Abelisaurids, as wonderful as they are, simply weren't capable of filling the niche left behind by one of the largest land predators to exist. As a matter of fact they seemed to be doubling down on the speed demon approach, with Carnotaurus being the fastest theropod we know of being built for running down prey. This was generally the case for Abelisaurids everywhere, constantly living in the Carcharadontisaurs' shadows (India and Madagascar being the obvious exceptions.
These amazing animals deserve some attention, but more importantly if you're interested in more biogeographics with relations to dinosaurs but on a smaller scale, check out Hațeg Island specifically. It's a wild ride of dwarfism beneath the shadow of a terrifying animal.
After the carcharodontosaurs died out, titanosaurs decreased in body size, abelisaurids and megaeaptorids were able to hunt down these large animals as they did it in Australia, Madagascar and India, where from what we know carcharodontosaurids didn’t reach
salt
One Abelisaur-Titanovenator from Kenya(keep in mind it's not an official name yet) grew to a size similar to Tarbosaurus-the 2nd biggest Tyrannosaurid.
Allosaurus and Saurophagnanax aren't Carcharodontosaurids, all are Allosauroids tho
Not really,Dreadnoughtus,Puertasaurus,Antarctosaurus and Austroposeidon among others were among the largest dinosaurs of all time@@alcyon7536
definitely the coolest thing in palaeontology isn’t the memorising of names but the story of evolution and how ecosystems and species have reacted to a changing planet
Absolutely, I have a drawing pad from when I was 12 full of cladograms tracing out the evolutionary trees, mapping out how each one related to each other.
Man I miss being an obsessed kid, now I'm only an obsessed adult lol.
Everytime we learn something new it's a new piece of the puzzle to Earth's history.
the coolest is to know how these animals "worked".
If You think your special Just remember that 95% of all species are extinct
@@ronjayrose9706 Imagine this but applied to other planets a few ××××××××? lightyears away assuming that there is life on other planets and probably went through the same thing as ours on our planet
I DIDNT EXPECT A FACE REVEAL minus that one time he showed a picture of himself and girlfriend
Timecode pls
he’s got a nice jacket
He's done a quick face reveal in a recent video as well. This one he was basically a huge part of it.. cool!
And he's pretty good looking
@@dacadz It was one or two videos ago.. Maybe more,i don't always catch each one.., but he revealed briefly a close up picture of his girlfriend and himself.. It was in the first few minutes of the video
So... when are we getting the biogeography of ancient plants and forests? Would love to see maps of where the Progymnosperms, Calamites, Lycopsids, and Cladoxylopsids first colonized (although I do recall that the plains off of the early Appalachians were some of the earliest forested regions). So much to explore there!
Actually, Pangea formed more like 250 million years ago, closer to the Permian - Triassic extinction, not the Triassic Jurassic Extinction. By that time Pangea was already begining to split apart.
Also, he says 80 million... which would only leave about 14 - 15 million years for the Dinosaurs to even exist at all... and since they actually existed for about 175M - 180M... well in any case, hopefully he will correct that at some point😅
@@FRMJD1996 ...he says that starting from 80 million years ago, their diversity peaked. He said that after going over dinosaurs from before that time. What exactly are you saying should be corrected?
@@landkonnudur You’re right, he does end up correcting this as the video go on.
I feel like it was meant to say coinciding with pangaea's break up instead formation based everything that was shown before but it was missed in the script proofreading
0:04 well he does say 'the recent breakup of Pangaea'
Doing a face reveal is one thing, but doing a handsome face reveal is quite another.
UA-camrs who don't show their face are more often than not pretty ugly. Not this time.
@alfred lauridsen Most of them actually.
@@sohopedeco ??? What
@@sohopedeco and how can you get data in that if you don't know what any of them look like?
Some people just like privacy, simple as that
@@lizardlegend42 Most of the ones who do make a face reveal eventualy.
"dont be nervous squidward, just picture him as a face reveal"
"oh no hes hooot"
HAHAHAHA my thoughts exactly
I do remember him saying in another video that he was like eight feet tall or something ridiculous like that 🥵
@@alexwhitney6372 Wait. Aren't 7 feet already more than 2 m??
lmfao yup
Bro I was just thinking the same thing 🤣🤣
Thank you so much for this! It's amazing how much a mapping can really help engage with data, even one as popularized as dinosaurs. Even if it's just a small fraction of the known knowns alongside a lot of "here be dragons" known unknowns, it really helps shake some cobwebs loose and reignite curiosity.
I've been fruitlessly searching youtube for a video on this topic for a while now and this is exactly what I wanted to see. Thank you!
YOU HAVE A FACE? I THOUGHT YOUR VOICE WAS JUST THE SPIRIT OF SCIENCE SPEAKING.
bahahaha this killed me
"the biogeography of dinosaurs" is one of the best possible titles for a video, of any kind. Except maybe "the biogeography of dinosaurs, PART 1/30"
Yeah.. It's not fair if u only talk about the rough stuff about the big continents. And he mostly talk about the North America. Like.. 2/5 talk about North America.
How about the archipelago of Indonesia that back then was like.. it was the bridge between Asia and Australia(and always like that even until now) and actually no indonesia's archipelago back then. Just small islands and shallow sea. And always tropical climate. Perfect location for aquatic dinosaurs that prefer warm climate.
And also the archipelago of Japan. There was no Japan back then. But that area is a vast shallow region. Again, perfect location for aquatic dinosaurs but this time it's the subtropic climate.
And the Arabia Peninsula. Arabia Peninsula rich with oil because lot of ancient creatures died there. Soo that means that place were like.. haven for them. And it's mostly a flatland there. No big mountains. Perfect for grassland or savanna biome. And some trees.
@@DBT1007 He mostly talked about North America because most dinosaur fossils were discovered there. Even famous species like Spinosaurus took a long time to be discovered.
Agreed. Except I would write it as: "The Biogeography of the Dinosaurs, PART 1/180"
yes
Oh, he's got to be handsome too, right? Well that's just great. Mariana Trenches called this morning, they say they've found my self-esteem.
Cringe
@@sanssoucilucci Grow up, lad.
@@sanssoucilucci Maybe your face is cringe that’s why you don’t have a profile picture………….🤡
Now that I've seen Atlas Pro's face I must once again call into question my heterosexuality
Yeah.....
my dude its okay
@@nick_stayz_lit7377 🤣🤣🤣 well I had to go and do something straight, so I went and sold some propane
@@SwagnerCountsThings nice copium you got there
I usually just sell meth to cope.
I cannot think of a better video title to wake up to than "The Biogeography of the Dinosaurs" and see the AtlasPro compass on my screen. This is the greatest gift to receive. Thank you, best channel.
Good lord, I don't know how you can wake up at 6 am. I wake up at 8 and I'm grouchy, have a headache, annoyed...
then again I sleep at 2 am so
@@ChangeUrAtOnYT.comSlashHandle I woke up at 8...
@@MintyScales oh damn time zones
@@ChangeUrAtOnYT.comSlashHandle 😅
Dude he litteraly put together animals that's didn't live together and also not valid species like Dinamosaurus i love his videos but damm
60% of the comments: Atlas Pro is handsome
35%: questions about the video and love for dinosaurs
5%: Random stuff
@Ryan Roshan random stuff
I am with you on the distinction between knoledge and information. Raw data does not in and of itself bring understanding, which to me is the most important point of learning (and why I enjoy watching your channel).
Your face is fine with me. I also appreciate your clear diction.
Absolutely great video, puts it really simply and clear.
As for the Spinosaurus thing, I think it's just niche filling. Spinisaurs shared their habitat with several other massive, and much more powerful, theropods such as Carcharodontosaurus. An aquatic lifestyle off fish so as not to compete with those predators makes a lot of sense.
Atlas Pro being one of few of the youtubers who's face matches and even improves on the voice
For some reason i thought he looked like Sam from Wendover
Nah his voice is way deeper than i would expect, though that could be an affectation for nicer voiceovers.
YES
YESS
like uuhhhhh james beavers?
Finally, a video *real* people care about. 😛
-A paleontologist
The context of this video I found really helpful. It really highlighted the patterns in different body forms and evolutionary tactics of each of the separate geographic regions that I've never seen elsewhere
Finally the legend has reveal himself
The time of the dinosaurs isn't over; avian dinosaurs are still the most widely distrubuted and one of the most successful taxa on the planet.
The time of the orc has come
Flying is the reason of that
*Chicken noises stop.*
Atlas Pro: Releases a over twenty minute long video on a super interesting topic and presents it amazingly
me: he cute
Lol same thoughts 😔
mood
He cute tho
He damn fine
Me tbh, but if anything it just improves the experience, it's one thing listening to a guy talking about interesting topics and a vastly different one listening to a hot guy talking about interesting topics. Or anything at all, I'd watch anything he makes with that face tbh
Biogeography is such a fascinating field, and the biogeography of mammals and dinosaurs is especially interesting. Also, I love how your animated map is sitting on graph paper ... such a cool effect! Always nice to put a face to a voice, too. Thanks for this cool video!
“Bone headed dinosaurs” actually didn’t fight with their heads. Their head design was simply a stage of sexual maturity. You forgot to mention that in Africa theropods like Gigantosaurus and Charcarodontosaurs lived too. Also there were still plenty of dinosaurs from Europe. The Americas also had a decent amount of Dromeosaurids too.
One thing is that the “snapshot” he was using was from 80 million years ago, and carcharadontosaurs generally existed in 100-90 mya so I think that’s why he doesn’t include them. However, carchardontosaurus did exist in Africa for a while with no mention so idk why he didn’t do that
@@mangoboy4924 While geographically it's a snapshot of circa 80 million years ago, biologically it's a jumble of roughly +/- 15 million years of that. He talks about Spinosaurus in Africa (circa 95 million years ago at the latest) and Tyrannosaurus in North America (less than 70 million years ago at the earliest). With that in mind, talking about Carcharodontosaurids would be viable too.
They were "Giganotosaurus" and they lived in South America not Africa.
@@moreira999 Oh yeah your right oops
@@PackHunter117 you're*
I'm emotionally prepared for the all plants version of this vid
When Atlas Pro uploads, you know you gotta click it
Same
Great vid, sure helps to better understand this when you can see the geology of the time in question.
Finally a vid that combines sea levels, continental drift & dinosaur extinction time line. Thanks
I love this! I have been fascinated by dinosaurs for a while, but this is the first time I have seen such a comprehensive list of dinosaurs in their geographical context.
We need a video covering the plants in this period too now!
And other animals as well, there were far more cool things during the Mesozoic than just dinosaurs, or hell even just reptiles
Cycad, ginko, cycad, ginko, fern.
I appreciate you actually using mostly up to date dinosaur reconstructions despite being new to this topic.
Most popular science journals I've seen would just slap some Jurassic World models on there and call it a day.
Great video as usual. You have the knowledge, energy, voice, mannerisms, and face for you’re own prime time nature show. Hope you get “discovered” soon.
This is one of, if not the best educational youtube channel. I always get so invested in these videos, so much more than in any other channel. It's even kinda crazy.
When I heard "I was never really interested in dinosaurs as a kid..." I had to try really hard to not stop watching... i was like, "give him a chance... it doesn't necessarily mean he's a bad person... let him work..." in the end great video!
Same lol. I mean like, he's telling me he didn't obsess over the incorrect usage of the word "raptor" as an 8 year old? Did he even have a childhood?
@@lizardlegend42 lol! A childhood without dinosaurs, is like an adolescence without a girlfriend... it just sucks... What did he think about all the time as a kid? black holes? snakes? trains? beetles? probably beetles... entomologists... smh.
@@sagittarius_a3307 I've experienced the first one, the second one... ouch
Dinosaurs were the yeast to the bread of my childhood wonder
I'm really reaching with this analogy.
I mean I was kinda same during elementary school, I was all about coding and gaming, and especially with Sonic was my childhood. When I was in 5th grade that was when I started to get really interested.
“...with Greenland even remaining covered to this day.”
Look forward to checking in on how this statement ages, in about... 11 minutes. 😔
Soon, we can put the Danes up there. It's theirs anyway.
Yeah, but at least our children can harvest some great fossils then, can’t they? There won’t be much food or water left but hey, dinosaur bones
Even with the current rapid global warming. It will take thousands of years for all the Greenland ice to melt. But you don’t need all of it to melt to have issues.
@@BoarhideGaming tho the glaciers could have erased a lot of it
3h later, still covered
I really wanna point out that spinosaurids were also discovered in South America (see Oxalaia, or Irritator), further adding to the connection with Gondwana.
Also, in both these places, but especially Gondwana, the true apex predators (on land) probably were the carcharodontosaurids, very large predatory theropods.
Anyways, amazing video, super clear and well put as always ! You rock, thank you !
This simplified what seems like toy-box of animals to an organized collection being displayed. I have many books saying the same thing about their distribution and where certain dinosaurs are found but this really helped.
Atlas pro:Gondwana was ruled by abelisaurs and spinosaurs
The carcharodontosaurs:Are we a joke to you
Atlas pro: Yes
Was looking for this comment haha
Yup he unfortunately has an agenda against them smh. Abelisaurids are significant but weren't the only theropods in the South.
"Majungasaurus" is just so fun to say. It sounds like a fake dino in a Jurassic Park fan fic.
Totally, I remember first hearing it in 'Planet Dinosaur' and started laughing.
Modern naming of prehistoric life is starting to get out of hand.
That was great!!! I love seeing how life evolved as the continents drifted apart. I remember when it hit me that the continents weren't in their current positions when the asteroid hit 66 MYA. Kinda blew my mind.
I love the new IRL style with the additions, interestingly enough I didn't get this vid in my subbox but I'm here now!
Confirmation that the wallpaper shown in the nebulae video is actually him.
He wasn't joking lol 😆
We haven't still confirmed it's not a lipsync tho..
@@shoam2103 or a lizard in disguise. Who knows these days
Just an FYI: the most recent study on Spinosaurus as of January of 2021 strongly suggests that it was not semi-aquatic like a crocodile, paddling with its tail, but was wading in the shallows like a heron. 😉
Damn they just can’t make their mind up on What Spinosaurus was can they
The spinosaurus' tail pretty clearly indicates that it swam in water a lot otherwise it wouldnt have evolved a tail so adapted for propelling itself through the water so I would still call it semi-aquatic, but still obviously not to the same degree that crocodiles are semi-aquatic because crocodiles are basically like 80% aquatic and have features for that life that spino simply doesn't. I do think that the heron way of hunting fish makes the most sense though, I just strongly disagree with the idea that it didn't use its tail for swimming when it so clearly has evolved for that purpose.
Wait how so? If anything the tail structures that were discovered indicate it was more semi-aquatic than previously thought?
I'm getting the feeling that there's only like ten actual people working on this and they don't get along.
@@lizardlegend42 yea for sure I have no idea what they're talking about anyone with eyes could see that the tail was used for swimming, I'd like to see the study they're talking about bc that sounds like nonsense, besides the heron thing. And also I dont think any study has ever made the claim that Spinosaurus was semi-aquatic in the way crocodilians are, because again crocodilians spend very little time outside of the water to the point that they have short reduced legs and nostrils and eyes on top of their heads, which very obviously spinosaurus doesnt have.
It would be awesome to get a video on plants in the Mesozoic! What kind of plant life was there to support these incredibly massive creatures? How was it different from plant life today (e.g the absence of grass)?
One of the ways that sauropods are theorised to have been able to support their massive bulks on plants is special adaptations to getting the most out of conifers as is physically possible. The bigger their bellies, the longer they could keep plant matter in there to continue extracting nutrients. I listened to a podcast by Dr David Hone (I think) who talked about how this allowed them to extract more energy out of usually energy-poor vegetation than any other animal and make a non-viable food option usable exclusively by themselves. Pretty cool if you ask me!
Relearning Biology through this channel. And I learned a lot. Kudos to the people behind; the host, researchers, producers and everyone. I hope I could thank you more enough.
les goo instead of my university enterance exams i will watch this and it will probably actually help me do the geography tests
for a sec I thought you were saying the goo in French
@@jonahwashburn9573 what does goo mean in french lol?
@@lifeimagined6171 goo, probably
He looks exactly how I imagined after hearing his voice
Edit: well almost
For me his voice is just so unique I don't believe it's a real person
I thought he'd be South Asian(🇵🇰🇧🇩🇮🇳🇱🇰) for some reason🥴
I was expecting someone who looked like Dave Attell (Comedian).
@Safwaan dude I used to watch your videos:)
@Safwaan i used to watch'em on my dad's phone. I played pvz back then.
I've never seen dinosaur evolution presented this linearly, this was super helpful thank you!!!!
14:40 why does that dinosaur have a human eye, it's creepy
Godwana was ruled by the Abelisaurs. The Carcharodontosaurs: Excuse me ?
Was waiting for the Giganotosaurus to be namedropped but damn haha
was waiting for acrocanthosaurus or carcharodontosaurus to be named but
Tell me about it, the video is at best grossly oversimplified to the point of falsehood. Amphibians and phytosaurs dominating Triassic ecosystems? Saurischians being ancestrally herbivorous? Sauropods outcompeted in Laurasia? Tyrannosaurs/Dromaeosaurs exclusive to Laurasia and dominating ecosystems as soon as Pangea broke up? And so on and on.
@@lynnk5635 They went extinct in the middle of the late cretaceous and we don't know why. By the time described by Atlaspro here all Allosauroids bad disappeared and their places were taken by Tyrannosauroids in the North and Abelisauroids in the South. Basically the Early to Mid Late Cretaceous was like the late Jurassic but everything was even bigger then for some reason much of those older clades went extinct and you see the appearance of more derived late cretaceous dinosaurs like Ceratopsids (who only became really iconic and big by about 80-90 million years ago. Pachycephalosaurs appeared around the same time. These were confine solely to Asia and Laramidia, though in the last million years before the extinction they likely reached Appalachia but we only have a single tooth as evidence of this.
@@tornadomash00 Those were earlier about between 110-100 million years ago. Though he doesn't really keep the times well. This video is basically around 80-66 million years ago.
He’s wearing a coat in the middle of summer
Clearly he’s gone mad
🤣🤣🤣
But it is spring, IT IS SPRING.
Maybe he's in koalaland?
The UK is unseasonably cold this year so maybe where he is is the same?
But he wears it good!
This may be a bit late, but I've recently discovered your page and I'm obsessed with this video format and the content you present! You seem to be able to answer questions about so many aspects of geography that I could not even formulate yet! Please keep up the work! ANd your face is an excellent addition! It adds a very human element and makes the videos even more touching on a metaphysical level! Thanks Altlas Pro!
Never too late ! I too, found it not long ago.
The nice part about UA-cam format is being able to review at our own speed.
I must be a visual learner. Can’t sit through a 2 hour class, will watch this all day though lol
I would love this series to continue with plants/flora/geology/smaller non-dinosaurs in the mix. In the words of Atlas Pro himself, thanks.
He looks like a Scandinavian Chad, props to you man, lol
I like the documentary style cut ins with you speaking in person, please do more of it.
I love your videos - so well thought out. One correction and one addition on this one: 1. "Ceratops' " as you said are actually called Ceratopsians. 2. Dromeosaurids were also super common in the theropod lineage in western north america.
the face reveal we didn’t know we needed
This channel is honestly the best because its not just more boring geopolitics but it has biogeography and pre history. Keep the the vids coming dud!
I can't believe I haven't stumbled upon your channel before! As an ecology major biogeography is right down my alley
Your proces of interest, exploration and then synthesising into a story with a clear concept to explain is awesome and makes these really streamlined. And then for some reason you also have a radio voice lol.
The face to face is great. Whenever I watch your vids I feel like putting together all of the graphics is incredibly time consuming so if this helps you push out content faster/easier I am all for it. Really I am for it either way haha. I didn't know I needed to know more about the plants until you mentioned it, I crave it like Brawndo.
Damn, don't think I've ever been this early for an Atlas Pro video before. And on a subject I really love too!
The density of information in this largely accessible video is amazing.
Loved this video as always, really nice to see you in it. Would be great to do plants of this time. Keep up the great work.
ferns., ginko, cycad, ginko, fern.
You said your just learning and want to learn so I wanted to let you know that new research shows pachycephalosaurs more than likely didn't smash heads for fighting, their bones were too weak and brittle for such activities
While their skull were brittle, they were covered with healed scars and fractures. It was hypothesised that they might not smash their skulls like mountain goats, but rather more like boars and giraffes, smashing their head against their sides on a swinging motion rather than a frontal charge.
their heads have signs of healing from trauma like that you would get from bashing skulls, so while they may not have headbutted directly they seemingly did actually fight each other with their heads albeit probably in a more indirect manner than straight head to head bashing
I think one of the reasons for a lack of diversity in Appalachia is that there just isn't much of a fossil record of the Mesozoic era. Due to erosion, much of our bedrock is Paleozoic or older, same as the Canadian islands and Greenland.
Love the videos! I used to like books from the library but the way you bring information is so easy and straightforward.
Showing you face makes it personal, and that's a good thing.
Keep it up!
Thank you for making such awesome videos! I love binge watching your channel! Even videos I've seen already are worth watching again because of the insane amount of knowledge!
7:05
Planet Earth Devs
Reptiles: Nerfed
Mammals: Buffed
earth Devs: hehe monke
Also Earth Devs: oh shit they gotten sentient
@𓃤𓃫𓃦 𓏲𓇍𓊃𓃭 uhhhhhh then should I replace it with intelligent?
I enjoy this channel so much - I learn things that I didn't even know were worth learning. And now you've thrown eye-candy into the mix with a face reveal; marvelous.
What amazes me about dinosaurs is that they are probably the most popular extinct group of animals, thanks to pop culture films such as Jurassic park. Even in rural areas most people have heard of or "seen" in movies, TVs etc.
Not an entirely extinct group; birds.
Feels like I'm watching a PBS show. This is great!
Ah the "face reaveal"
His face is exactly what i thought it was.
Also, i also have a great curiosity in dinosaurs.
17:02 The kid in me that binged Walking With Dinosaurs many times expected to see 2 Allosaurs emerge from this scene to attack a Stegosaurus 😂
I love this channel. My professor and I were talking a few days ago and it turns out we both subscribe to you channel. Keep up the good work.
This was so so interesting. I've never seen the dinos explained so well before - also, I thought the vlog/face shots were a nice touch! Keep it up.
As a Dino nerd myself, this is the best synopsis of dinosaur evolution and diversity I've ever seen. ❤ excellent work
According to many newer theories, the Chicxulub impact likely wasn't the _only_ thing that killed the dinosaurs, but it is a useful time stamp to end the Cretaceous Period. There's evidence that a large igneous province formed in India around the same time and was wreaking havoc on the climate long before Chicxulub hit; the meteor only helped the rate and severity of decline.
Update years down the line: the meteor impact was newer, not the volcanism. It’s been a back and forth for decades and I, a layman, only learned about some of the in-between evidence more recently. Bias in exposure, what a concept. 🧐
Yeah, the Deccan traps, but we still don't know how much if affects the overall biosphere since it effect would be dwarved by the Chicxculub impact.
@@azrielmoha6877nd likely created by the Chicxulub Crater.
Yes, nice to see your face. And fantastic work, once again! I've seen all your video's and your channel is one of my faves!
One of the best UA-cam channel out there!
Damn, Atlas is beautiful
I just ran across your videos. So impressed with the info presented with the maps over time to depict such a complete picture of our changing world! Ice age videos were awesome! This one is awesome! Will be watching many more. Thank you!
Now that i Think about it, Continents moves that also Holds fossils, that means Continents is basicly a Molding Super Mega Box that is Slowly Moving by itself.
Please do as many of these Biogeography videos as possible. These vids really help when thinking about complex ecosystems and interactions.
Great video! I would be SO interested in seeing more paleobiogeographic realms. I'd like to see the diversification of mammals over this period of the Cretaceous.
I think the addition of geography is just what we need to really understand what is going on. Please do something similar for plants.
This was very helpful. Looking forward to the plants biogeography video!