The Complete History of the Earth: Devonian Period

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Intro 0:00
The Devonian Globe 2:02
The New Reefs 3:45
Armored Sea Monsters 6:29
One Small Step 10:24
Devonian Extinctions 13:18
#devonian #ageoffish #historyoftheearth #eon #epoch #geology #paleoanalysis #tiktaalik #placoderms
As we continue our journey through the history of the Earth we find ourselves at a crossroads of evolution that will lay out the blueprint for things to come. After life had 25 million years to recover during the Silurian, we now find ourselves at a point where two sides have built up their defenses to try to out compete each other. The war between the Arthropods and the fish for control of the sea is about to heat up and as a result other vertebrates will be taking a different path that will lead them to a whole new frontier.
To learn more about the massive super predator fish Dunkleosteus, I highly recommend checking out Nature's Compendium! CHECK OUT HIS VIDEO HERE! • Dunkleosteus | The Arm...
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15 июн 2024

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Комментарии : 759

@davidborgstrom Год назад

I would love a future series of videos do go deeper into the various mass dyings. What caused them, which animals that survived and which didn't. There are so much more to unlock there.

@terrancat Год назад

This.

@Sillybois3 11 дней назад

Yessss

@StuffandThings_ Год назад

The Devonian is by far my favorite period in Earth's history. Its the only period before the formation of Pangaea where significant stuff was happening on land, and the continental arrangement as a whole is quite interesting. You had the majestic placoderms ruling the seas, early tetrapods, and the last of the great Paleozoic reefs. Plus, the earliest forests in the Middle Devonian must have been absolutely wild to see. Extremely odd transitionary groups like the Cladoxylopsids, Calamites, Tetraxylopteris, Archaeopteris, the earliest seed plants, and even some early arborescent lycopsids emerged. All before the Late Devonian mass extinction began to wipe out all the cool Paleozoic reefs. Oh, and flying insects potentially hadn't evolved yet by this time (or if they had it hadn't been for very long) so that must've been nice lol.

@amayakawaii Год назад

Anyone else have to rewatch from the beginning of the series every time a new episode comes out or is it just me?🥰

@joedoe7041 Год назад

yep😁

@takenname8053 Год назад

Yep

@leopard2a743 Год назад

Same

@thedragonage3033 Год назад

Me too

@drswag0076 Год назад

me!

@eybaza6018 Год назад

At long last, finally the Devonian period! I can't wait to see the Carboniferous ecosystems, that's gonna be a wild ride! Keep up the good hard work!

@francescapupo3887 Год назад

I can’t tell you how excited I was to see this video in my feed and I had never heard of the Devonian Period before. Thanks for teaching me something and making my morning commute expoentially better! Congrats on 110K, and keep up the great work!

@KlavierMenn Год назад

Devonian is such a interesting period. It is known as 'Age of Fish' because fishes saw a rather large evolutionary proliferation both on land ond on water (Yes, although Tiktaalik and acanthostega could walk on land they were fishes [and so are we, tecnically ])

@Crocodylusaurus Год назад

@@KlavierMenn I like how we have the Devonian which is where life first started transitioning onto land and then the Carboniferous (age of amphibians) where the waters were domanated by numbers of amphibians all of different types

@mormonjesus9581 Год назад

@@KlavierMenn *poops*

@shanemiller6982 Год назад

Yeah , we knew how to party back in the devonian , and there was none of this political correctness. Good times mang! And the music man.... Oh the beautiful music back then... Have a look see here for a list of Earth's geologicel eras and eons and such things... en.m.wikipedia.org/wiki/Geologic_time_scale

@user-ze3lk1ov5b Месяц назад

Don't worry most people globally, possibly know what dinosaurs are but they have no idea what means Triassic, Jurassic or Cretaceous maybe when they hear Jurassic think something that has the word "park" as following word.But there are few people like me and others who haven't involved professionally with the feild yet and knows every period of Earth and many of the species.

@e_pistolito Год назад

I discorved this series existed less than a month ago and this is literally my new hyperfocous I CANT WAIT to the rest of the videos OMG IM SO EXCITED you are AWESOME for making those THANK YOU

@blodpudding Год назад

Did these first vertebraes that migrates to land drink salt water still? And if so when did we stop being able to consume it and only drink fresh water.

@rxg9er Год назад

Tetrapods were already living in freshwater when they made the transition onto land.

@petergibson2318 Год назад

We all carry the ancient salt-seas around within us. When we cry we shed salt tears. We never really left the oceans. We are like astronauts on the moon who carry the earth’s atmosphere inside their spacesuits.

@needfoolthings Год назад

@@petergibson2318 We also carry a lot of sap around, it seems.

@DirtRider999 Год назад

@@petergibson2318 Bruh you high as hell.

@PortCharmers Год назад

Every creature needs to keep their salt concentration within limits. A freshwater dweller is taking on a lot of water through osmosis, and needs powerful kidneys to get rid of it. A saltwater dweller is at risk of losing water, so they need to drink and get rid of excess salt. In the early stage of going on land, trips are short and they need to go back into the water frequently to replenish water and oxygen levels, using the "equipment" they have, which is suitable for the sort of water they come from. Later on, when the breathing is far enough developed to stay on land indefinitely, you lose water through evaporation. So freshwater would be far more efficient to replenish than seawater. However, kidneys are still important to detoxify the body, causing further loss of water and minerals as well. So these need replenishment, too. That's why cattle like their salt-licks, and we like our potato chips. Since there are not many seriously salty bodies of water inland, many land animals have lost the ability to use full-on sea-water. But then, there are many descendants of land animals, who appear to do just fine at sea. Coming back to you question, I don't know when.

@Cat_Woods Год назад

I'm not sure what it is about the format of these presentations, but I find it very helpful for understanding the overall process of evolution better. I mean, it makes it more digestible somehow than many other presentations I have seen. Btw, loved "carrot krakens" and "one small step for fish..."

@SADDDsteve Год назад

LETSGO! I would just like to say thank you. Your videos are partly why I got interested in learning about earth history and paleontology again.

@LukelearMissile Год назад

I really love that you're doing this series and going all the way, and I love the way you're doing it. Even if it takes you aeons, I'm here for this!

@phdtobe Год назад

I saw what you did here. 😉

@allanbriggs6349 Год назад

110 000 subs! Congratulations! I've been hanging for your next vid, and was not disappointed. Love it!

@Mark8271997 Год назад

I was so hyped when I saw we finally got to the Devonian. Your History of the Earth is one of my fave series ever, along with Breaking Bad, Spy × Family, and all of David Attenborough's docus of course. Keep up the amazing work my dude. I'm also super hyped for when we finally get to the reptiles as crocs are my favorite animals and I just so happen to also work in their conservation effort. Just wanted to share a pretty gruesome story of when I saw a Mondorensis crocodile literally rip appart the face of another smaller Mindorensis croc.

@salvadorromero9712 Год назад

My fave series ever is Star Trek Voyager, because of that one episode where Capt. Janeway devolves into a Devonianesque tetrapod, then has sex with her subordinate and abandons her children

@Cat_Woods Год назад

@@salvadorromero9712 Wow. That's the exact reason I hated that show. Especially with how self-righteous she later is with Q about abandoning a child. Well, that episode, her summary execution of Tuvix, and her changing a timeline solely to ensure Seven still existed. That's when I finally gave up and stopped watching.

@willemkilian9563 Год назад

This channel has rapidly become one of my favourites, especially with this series!

@mbvoelker8448 Год назад

Loved it. Using these homeschooling my high-schooler. They're great intros to get him hooked before I get into the more technical presentations.

@karlagilmore5908 Год назад

I'm interested in the evolution of fungi, particularly the how and why they don't last very long at all once they pop above ground, but also why they even come up above ground. And as always, love learning all this stuff you are teaching us. Good stuff!!

@billinct860 Год назад

The parts that pop above the ground are the reproductive organs that will spread spores in the wind. This likely happens when nutrients in the soil are used up by the fungi. Some spores make it to new nutrient rich areas to take root and grow.

@azureprophet Год назад

To elaborate on billinct’s point, the actual living part of most fungus is the white feathery and stringy stuff that lives in soil or decomposing wood or other substrates. It is called mycelium.

@raechel381 15 дней назад

I’d also like to add that mycelium extends way further than you think. The fungal systems underground are massive. The actual mushroom we see above ground is for sexual reproduction. The reason that mushrooms pop up after rain or extreme moisture is because they kind of go “oh god we’re dying we have to reproduce immediately” lol

@FelineSublime Год назад

As someone with a geology degree, I absolutely love these videos and they are not just a good refresher for content I went over almost 15 years ago, but goes more in depth than any of the lectures or supporting materials I had at the time. Really appreciate this series. Keep with it.

@pawned79 Год назад

Thank you, I enjoyed the video! I’m awed at how alien everything seems when you roll back time.

@AlexIsModded Год назад

Every time you've discussed an extinction event, has made me realize just how significant a food chain collapse and climate change can be. Your work also shows that an extinction event is not an instant death sentence to lifeforms the way that most people think, it's a gradual decline that happens over the course of decades or thousands of years. This particular video however, opens the door to the beginning of new life. With trees growing in abundance, oxygen levels were going to change in the terrestrial parts of the planet, and that is likely why creatures like tiktaalik and others who were developing lungs could survive. I am very curious about whether or not you'll address the oxygen levels during the time of the dinosaurs when we get to that era. The reason is because the Earth's sky was actually green instead of blue, and the oxygen levels were not as high as they are today. This heavily supports the air sac theory. I'd love to hear your thoughts on air sacs and what they could have looked like.

@accelerationquanta5816 Год назад

Climate change is good. Kills the weak.

@bkjeong4302 Год назад

Do note that dinosaurs aren’t the only archosaurs to evolve air sacs: all of them did (crocs still have it today, albeit somewhat reduced).

@BananaCake26 Год назад

Climate change has played a significant role in all of the "big five" mass extinction events. It was likely the most important factor in all but the K-Pg extinction.

@accelerationquanta5816 Год назад

@@BananaCake26 Stupid animals can’t handle different weather lol

@bkjeong4302 Год назад

@@BananaCake26 It was also a key factor there: that asteroid landed on a coral reef, which was vaporized, releasing massive amounts of carbon into the atmosphere.

@mechaswool Год назад

While I know that armored fish were pretty much wiped out in the Devonian extinction, did they ever have a chance to come back in a later period? Were they outcompeted by vertabrate fish and/or amphibious animals, were the oceans too oxygen-poor after for them to survive, or was armor on fish just not evolutionarily feasible? I think that would be a cool video to see, but it's up to you.

@aminerkin9844 Год назад

Yes. Smart and intelligent question. My guess would be the sea probably became too acidic (or something in similar effect) for external bones to be feasible. We still see internal bones but I don't recall seeing a sea fish with external bones like horns or armor. I dunno man, that's just my poor guess. Lol

@TheDundeeBiscuitLuvU Год назад

I was thinking this myself. For most successful adaptations and strategies, we often see them evolving multiple different times. I find it interesting that, as far as I'm aware, these specific armour and dental adaptations never really made a comeback

@aindrilaroy4464 Год назад

That’s a fantastic question! Got me thinking. As far as I know, external armor never made a come back. Have to wonder why.

@andybeans5790 Год назад

@@aminerkin9844 that was my guess too, going to have to look it up now!

@aminerkin9844 Год назад

@@andybeans5790 i found some fresh water versions online like cat fish and etc, but couldn't find sea varient.

@colemanmoore9871 Год назад

Keep up the good work! I could watch an hour long episode of this every week - but don't feel pressured to put that much out. The quality is excellent, and that is the important part. Thank you for your time and energy. Being from Texas, I would love to hear more about this area. I have found several ammonite fossils and visited the Dinosaur Valley State Park in Glen Rose. The footprints there are awsome and accessible. I show about that would be worth watching.

@apexnext Год назад

Yes i completely agree. Quality over quantity for this channel. ❤️ When he said he rewrote the script 3 times. Sounds like work, but at the same time I completely appreciate him wanting to get it right. It shows being both entertaining and informative. This channel will be appreciated for years to come. 😎👍

@lightscore96 Год назад

THE most anticipated video in my sub box has finally arrived!!! Thank you Paleo Analysis 🤩

@stuartaaron613 Год назад

I have been enjoying this series. Please take your time to do it right. I can wait for each new episode.

@Fluffylives Год назад

Literally was disappointed last night there was nothing uploaded recently. This was a pleasant surprise for the morning.

@stanleyhyde8529 Год назад

This was easily my favorite period of time. The Dunk was freaking sweet but the placoderms as a group we're some of the coolest animals to have swam the seas back then. That said, the octopus and the squid in all their myriad of form started their evolutionary journeys all the way back then. Mind blowing stuff. I feel like they got a raw deal on their life span but in almost every other way they got the best deal. With a suite of abilities fit for a sci-fi movie. For lineages to exist for so long is it really so surprising that they wouldn't make any kind of sense to to us.

@WoopersDad Год назад

Yesss a new part in this awesome series! I love it keep it up man!

@elsaeed747 Год назад

Oh yes, my favourite channel by far.

@joeracer302 Год назад

Congrats on making 100k subscribers. It’s been awesome watching your channel grow! You’re doing awesome stuff, keep it up!

@Suomalainen007 Год назад

Finally you evolved to Tiktaalik!

@MattGreerMusic Год назад

Just want to say thanks for your channel. Really enjoy your relaxed approach to overviewing these fascinating periods of our earth's history. Your enthusiasm is contagious.

@mikes5637 Год назад

Loving this series. I'm 61 and still enjoying learning stuff about our world.

@ZeFroz3n0ne907 Год назад

Great video! Beware the fungus that be humongous! Love your videos! Keep up the amazing work!

@tomrowell1558 Год назад

Great video! These are always super interesting and I always want to see more, but take all the time you need

@brandyfuller2455 Год назад

Im loving this series! Would you be willing to do a vid on soft tissue and keratin preservation, like how it changed our view of edmontasaurus for example? I think its amazing that any of those structures can survive for a few thousand, let alone millions of years, and then be found at all! The odds are bananas lol

@katherinesheridan5836 Год назад

I’ve really been looking forward to this video. Thank you for continuing this series. It’s so interesting and I appreciate that fact that it’s on my level 😃

@nickguru4439 Год назад

I gotta say, I love this channel and really appreciate all the info you cram into these videos while keeping it accessible. Keep up the great work man!

@violentcat345 Год назад

Yay I've so been looing forward to this video! I like that you touched on lesser understood aspects of the period rather than leaving them out. Well done!

@apexnext Год назад

_I has feets_ -Tim Tim Absolutely legendary companion.

@TheSokwe Год назад

Thank you buddy, love the series.

@jacobkrueger1022 Год назад

Keep on keeping on, this channel is awesome and you deserve all the subs! Ps, Love the evolution sequence!

@valkeriejones3818 12 дней назад

Why did no teacher in high school or college explain this? I've learned more from you, sir, than any biology teacher I've had. Even in this succinct format ❤️❤️❤️

@reskkan37 Год назад

Finally! So excited to dive in😁

@stumpyale Год назад

Yaaasss!!! FINALLY A NEW EPISODE

@babykitsune4789 Год назад

AhhHh so excited!!

@franciscahazlet4021 Год назад

It is hard to describe how much I liked the video very much. It flowed well with great pace and was very descriptive. I'll probably watch it again because I know I will learn more. Thank you for taking the time and energy to make this great series.

@jasontusmc Год назад

Great one man, been really enjoying these….shared this whole series of yours to a number of people, keep up the great work looking forward to the next!

@Staggo_L Год назад

Hi ! I'm loving this series. Thanks.

@js1423 Год назад

Neat! Can't wait for the next one!

@fhyppa Год назад

>110K subs. Congratulations! I love the sense of humor, while giving great introductory information. I will suggest this series to a friend of mine who teaches elementary school.

@sunnyjozani8421 Год назад

YAAAAAS! I've been waiting for this video for so long! Awesome work, man!

@josefgordon7712 Год назад

Got hooked on this channel a few weeks ago and so pumped for this!

@tbogeyman Год назад

This is the best documentary i have seen on RU-vid so far.

@barrysmith9116 Год назад

What a great series - and this one was particularly interesting. Learned lots of new things. Well done!

@fdmt5290 Год назад

Man, these are SOOOO good. You have to continue this series. I'm a HUGE fan.

@ThePurpleKrow Год назад

He definitely plans to see this series through to current day! 😊

@ias400 Год назад

Welcome back. The episode was certainly worth waiting for. Hope you are settling in and things are going smoothly.

@bradshawsisneros8417 Год назад

Keep up the amazing work! I love all your vids and this series is my fav! I’ve already learned so much more then i thought i knew, and its been fun learning it too!

@lemcad3755 Год назад

Finally! Ive been waiting for another episode of this series. Thank you!

@Viatoreptil Год назад

Thank you for your persistence and several drafts to make the video! I thoroughly enjoyed it!

@MasterMalrubius Год назад

I've been looking forward to another video. Thanks for taking on this big task.

@anarchakatty5438 Год назад

Great episode!! Always so excited to see a new history of the earth video. My daughter loves your videos too, which is great because it's hard to find educational videos that kids actually like, but she's been LOVING these!! Thanks so much

@Exthias1983 Год назад

As always, I dig your videos man. I am so glad that I found your channel. You do good research, and you present it in a rather entertaining way.

@Polloles Год назад

Yes!!!! Thank you for yet another chapter of the series!!

@walruskie9733 Год назад

Man, what I would give just to go back in time to all these prehistoric and ancient periods to see all the creatures there for myself.

@TheJakeskates Год назад

The Devonian period is always one of my favorite periods in prehistory to learn about, and I always love hearing more about placoderms. Great video!

@davidflather1707 Год назад

This is great content! I'm really enjoying your channel. Keep up the great work!

@DirkVaughan Год назад

I think I owe it to you as a fan to tell you this series is, without question, what I look forward to most on your channel.

@platylobiumobtuseangulum1607 Год назад

Loved this and been looking forward to it for ages. It did not disappoint. Thankyou.

@LINKchris87 Год назад

Ma dude, the quality of the work you've put into this series is outstanding. Thanks a lot for your efforts!!

@theoccasionalangels Год назад

love your video summaries -- I watch many by a lot of various sources but yours are the best I've found ---- concise and easy to follow

@NullCreativityMusic Год назад

This series deserves all the praise and even more!

@mikedebell2242 Год назад

I love those Devonian seas. Looks like a good place for a snorkel.

@paulthew2 Год назад

Thrilled to see a new video from you, and it was the Devonian....fantastic!!!! Love your work.

@Alberad08 Год назад

Thank you for creating and sharing this!

@rosearah Год назад

I’ve really been looking forward to this video and this series in general, its really nice learning more about periods that don’t often get touched on as much compared to others. Maybe you could do a video on Jakapil kaniukura, the interesting new dinosaur that was found recently? Or maybe something talking about trilobites, maybe looking at some of the bizarre/interesting species of the 20,000+ trilobite species described

@neveraskedforahandle Год назад

Hell yeah, let's go!

@WAMTAT Год назад

Loving the work you've put into this series, you should be very proud.

@tonytaskforce3465 Год назад

Love the combo of science and playfulness. More please. 😍

@jamesc8259 Год назад

I enjoy your channel very much. Thank you for all the work you put into it.

@Burning-Embers Год назад

Absolutely binged this series, love these vids!

@M_K-Bomb Год назад

The script was well worth re-writing because this video was a stand-out in this video series. Absolutely loved it.

@xe4330 Год назад

Loved it ! You’re killing it 🙏🏽🔥

@skidaddleskidoodle595 Год назад

LET'S GOOOOOO!

@martakrysiak2595 Год назад

I'm so excited for this series to go on! I LOVE IT SO MUCH!!

@CaptJohnsen Год назад

I’ve really been looking forward to this video. Great work, loved it!

@pangalanucraft8633 Год назад

Yeah, new vídeo!😍

@Aesyrbane Год назад

Big fan of this series. Great stuff mate!

@Kyle_Spivis Год назад

Oh heck ya thanks for some more great content!

@Amaya6Korai Год назад

I watched the whole series (thus far) in one go! I really enjoy it and I hope you will continue!

@destonlee2838 Год назад

Well done! I'm an old geohead, and enjoyed this concise review v much. Keep it coming!

@Houte Год назад

Thank you for the hard work you’ve put in for such amazing, top-tier, educational content!

@tamjammy4461 Год назад

Ta for another great effort. Life,and it's evolution are truly awe-inspiring. This is the stuff that kids ( even 60yr old kids like me) should be watching. Really looking forward to seeing more of the relatives in future episodes

@magmat0585 Год назад

was just wondering yesterday when the next video would be, stumbled across your channel a month or so ago and am loving it

@janegael Год назад

Awesome content as usual. I love your little fella leveling up. I can hardly wait to see what you create next. ♥

@seastarcrunchies Год назад

I really enjoy your content! It reminds me of the kinds of things I would watch when I was a kid, nostalgic and informative 💜

@Mojo_Jojo_001 Год назад

I love your videos and am always looking forward to the next one. Thanks for doing these.

@kellyharrison5184 Год назад

Another well narrated, interesting, and insightful video!

@Colonelguuber Год назад

This is a great series, binge watchin the rest

@saksenaz123456 Год назад

I would love to see a video about plant evolution, and how the trees came to dominate and diversify during this period! But I love your videos. keep up the good work!! x