The Extinction That Caused The Dinosaurs (And If It Never Happened) 

Sorry for once again a month without a video. I never did speculative evolution before so this was a new field for me.

“The dinosaurs wouldn’t have went extinct if they had a space program”

Bruh you just got into Speculative Evolution. This is awesome.

7:25 This animal isn't extinct in the least: It's alive and well in my *nightmares*

Glad you covered this. I find it sad that this is one of the most unknown time periods. I've told people that mammals that still retained some lizard traits dominated before dinosaurs and they more or less ask me if I read that on Facebook.

The extinction no one ever talks about. Love it

"The Great Dying" What a name for an extinction event

I think this my favorite video so far. From about the age of three, I had an unhealthy obsession with dinosaurs and prehistoric creatures. It kinda faded into the background as I got older but it was still there. This video helped me rediscover my love for these fantastic beasts for lack of a better term. Thank you.

Nobody: Cody: This is entirely speculation

Cody: Evolution, Synapsids, Mammals Me: "ooo lizard puppies!"

Evolution: *EXECUTE ORDER 66* (The Great Dying) Earth: *YES MY LORD*

0:39 - 0:49 "Events out of individuals' control that changed the game and set the stage for new players to come in and effectively dominate the Earth." I see TierZoo has taught you well, Cody. ;D

I was just reading new dinosaurs by Dixon and more alternative prehistory is really cool for me right now. Great stuff, cheers!

As a paleo enthusiast who also loves human history it’s great to see you talk about both. Keep it up! I’d recommend if you were to do another thing like this I’d learn about war between the Arthropods vs vertebrates. Maybe do what if the Arthropods won the evolution war? I’d maybe use the Devonian to start as that was the turning point leading reptiles to rise as the oxygen rich planet drys out and cools, maybe make it so earths climate never changes therefore not causing the Arthropods rule to not decline (land nor sea nor air)

Theory: Humanity is replaced by some kind of Dinosuar descendant.

Hey, do “If the Emus joined the Axis Powers in WW2.” Please. I need to see some Emus in freaking Panthers / Tigers

11:17 so they would've evolved into some weird off brand sangheli? (elites from halo)

I love you for this quote at 3:50: "The common conception was that mammals simply appeared out of nowhere during the jurassic" This perfectly embodies my frustration with pop-culture palaeontology and biology (even in schools) So thank you very, very much for making this video and sharing the fascinating creatures that are the therapsids (and mammals for that matter) with the world!

Waking up on mondays like 6:59

Alternate Pre-History Hub

Great video Cody! Have you ever looked into doing one surrounding no Eocene-oligocene event, leading to a wetter warmer earth than the one we have today

I've always loved speculative zoology and not enough channels go into it as a subject. Thank you!

I was so looking forward to this, you’ve teased it on Twitter the last few weeks. I was not disappointed, great job on your first video about speculative evolution 👍🏽👏🏽

What if the Y2K bug actually happened?

1:32 Mulletosaurus. Sadly, it did not become extinct. It simply evolved, and continues to every 5 years or so.

Mr Beast wouldn't have been the only guy in 2018 with an army of dinosaurs

11:18 - Maybe hadrosaurs would evolve into bipeds, build spaceships, fly off to the delta-quadrant and become Voth… 🤔

8:22 I love that visual. *Imaginating intensifies*

I was waiting for this to come out! Hope its a good video

Love you bro I’ve been watching for years and years.

Heres a new video idea that has to do with this video topic. What if an extinction event like "The Great Dying" or a giant asteroid happened again what creatures would survive and which would eventually take our place at the top?

Is the sequel going to be about what would happen if the Meteor missed the Dinosaurs? I remember reading a whole book about that topic years ago. It'd be cool to see how well the topics aged.

Dude this is good shit You should do more like it

and it's NOT just therapsids that we're around. there's also anaspsids like scutosaurus.

Throughout the whole Paleozoic era, trilobites continuously thrived starting from the Cambrian era. It would be interesting to see modern trilobites today.

I love how dead inside he sounds because I can relate

I love this new style of video, speculative evolution is always an interesting subject.

This video absolutely intrigued me, especially with your short image of a dinosaur-humanoid right near the end. As such, I went and did a little light research and math and have discovered that there is another even more curious alternative chain of events. I started under the assumption (a very large assumption) that the Suminia or similar creatures may have undergone evolutionary pressures that eventually resulted in a human-like intellect and use of tools. I then took the time-span from the first emergence of primates, to humans, and then the modern day, and was correct in noticing that this interval was far smaller than the time between the Permian-Triassic extinction event and the Cretaceous-Paleogene extinction event. Taking the Suminia to be a parallel to the very first primates, it turns out that they, or similar creatures, could surpass human levels of technology in as little as 68.5 Million years after their, in our world, extinction during the Permian-Triassic extinction event. In fact, they have a margin of error of roughly 2.7 times, meaning that even if they evolved to our level of technology 2.7 times slower than we did from the first emergence of primates, they would still have sufficient technology to potentially redirect the asteroid that caused the Cretaceous-Paleogene extinction event, thus that extinction event may never occur in their world at all. It's a very simple set of calculations that I've made, but I've put them up on pastebin for those who want to see it: pastebin.com/KGrHeHfL

Oh my god, that was incredible. Just the way you narrate with your voice is so captivating...

This video made me go on a 3 hour binge watch of 3 different documentaries on the Permian Extinction.

Loving your bringing prehistory in to mix Cody. Bin watching your Channel for while now and have to say work is getting better and better. Keep up the good work :D

Do a remake of What if Reagan Was never President and make it Vice City themed

I just re-watched this after some years. It is way more awesome than I even remembered. You really did your homework on this, I like this a lot. Especially the more speculative stuff, this almost fits alternate history better than a lot of your normal videos haha. Awesome job man!

I have been thinking about this for the last few months. Thanks for covering it. Alot of people don't realize that there was a diverse group of animals before the Dinosaurs.

If the volcanoes in Siberia didn't erupt at the end of the Permian era, would they inevitably just erupt some time later?

If they had 65 million years to develop then one of the dinosaur species could have been an intergalactic species by now

"I want to mention... THIS" PROCEEDS TO GIVING ME NIGHTMARES FOR WEEKS WITH 7:30

I would genuinely love to see some more possible alternate biology and paleontology videos in the future, excellent job.

I always enjoy your stuff but that was a really nice change

One of my favourite videos!!! Great job. Quito-Ecuador 2019

I really like this new style of video! Well done!

I'm a history teacher and recently stumbled upon your channel!!! It is fantastic. Opens so much discussion with my students! You have a new subscriber!

So you're saying Jimmy would have feathers.

Can you do a video if the US never opened trade with China?

I really like that you do more thought out videos again! Interesting topic, really nice presented and easy to understand. 10/10 would watch again ;)

Wow. I've seen every one of your videos and I've been watching them for quite a while now. (Couple of years maybe?) I'm a huge fan, but this just took things in a whole new direction. Keep up the great work. Loving where this kind of stuff could head :D

I love the "hidden" book plug

Great video I’ve missed watching your content

Just wanted to point out that Dinosaurs had ontogeny like most animals. They didn't hatch as mini versions of their adult counterparts, they changed as they grew up. So drastically too that we initially thought that they were different species. Nanotyrannus to Tyrannosaurus, Dracorex and Stygimoloch to Pachycepholosaurus.

Awesome video!! :) It was really interesting hearing you going over what if the Permian extinction never happened. I am really really interested by dinosaurs so hearing you mention them was great!! :D Would you please consider making more videos about dinosaurs, paleontology or other extinct animals?

0:54 is it Julius Caesar ( read the subtitle )

*sees the thumbnail* *thinks of primeval* *get's sad at no primeval season 6*

I love your stuff, and knowing a few people who aren't into evolutionary history like I am who watch your videos, this has really let me have some awesome discussions with people on the evolution of life on Earth. So thanks for that!

What an incredible video love the quality of your work

Dinosaurs: go extinct Cody: *plays reverse card*

What A Species became smart enough to Deflect the asteriod

Thanks for this one! I tend to like all your videos, but this may be the most thought-provoking yet. I thought I knew a lot about early life on Earth, but I learned quite a bit. I did recognize the suminia, at least your depiction. It's a chupacabra, clearly.

Great prehistoric video, keep the biology speculation coming! Also I enjoy the art :)

I legit thought I was watching a TierZoo video in the beginning

Fun fact: he said non-avian dinosaurs because birds are just as much dinosaurs as a T-Rex or Stegosaurus

Yes! More of this! I Love speculative stuff like this! More of these please! I don't mind if you speculate even deeper and come up with your own things, I'd love to see that!

Yay! Spec evo! (Oh and Love drawing of Suminia looks very... lemur cool!)

You should cover the book by Dougal Dixon After Man : a zoology of the future

Spectulative history idea : What if the Dark Enlightenment movement recreate society in their own image?

really liked the artwork keep up the good work!!

That drawing of the reptile with opposable thumbs looks like something from a creepypasta

Saw the title and Immediately clicked. Though I was wondering on the status of part 3 of What if Rome Never Existed?

Dude... your voice has evolved. :O

I'd love more of these!!

Thank you Mr.Franklin. Loved your book too. Your vids are awesome. Your channel really makes my mind wonder

I think archosaurs would still have a larger role in the alternate timeline. In particular pterosaurs. Diapsids are more suited to flight as they have lighter body plans. I still think there would have been pterosaur-like flying reptiles.

HOORAY! Some Paleontological stuff now!

This is really awesome, I would love to see more down this vein. Like what if the avian dinosaurs went extinct instead of the non-avian. Keep up the great work!

Awesome to see, really nice vids. Whelp, now I have to watch Walking with Monsters again. More distractions from my Viva prep :)

You should do more pre history videos like this in the future they are my favorite

4:25 "so happens now" Ad: everything is awsome!!! Everything is awsome when your part of a team- the lego movie two now on DvD Sometimes youtube gets it right

This is one of your best videos, and it was well worth the wait!

Loved this!!! Can't wait to see more of this type!!! 💜

"Hey look another primate body type right before the greatest mass extinction event in history" Wait,

This topic was well crafted, I would love to see more of these "theory speculation of evolution" type videos.

God I love the character designs and art style of your videos. They make these already great videos 10x better

Hey Cody? Big fan. Can you please make a playlist of all of your videos please?

The music is great as well as the video.

You know that Cody is running out of ideas when he revisits his old ones.

Please make more videos on paleontological subjects! This was super cool to listen to and theoretical evolution is such a sick topic!

I love this topic! And I would if you explore the rise of humanity or not...keep up the great work...I love your channel

As someone who is doing a stratigraphy module as part of their geology degree I couldnt wait for this vid tysm!!!!!

: Humans: fuck over planet killing most mammals Reptiles: my time to shine!

Thanks for this branching-out episode, and thanks Matt (whose avatar reminds me of Hank Scorpio, and this is not a bad thing)

As a geologist, love this vid. Nice one.