- published: 01 Sep 2022
- views: 403014
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Devonian
The Devonian is a geologic period and system of the Paleozoic Era spanning from the end of the Silurian Period, about 419.2 Mya (million years ago), to the beginning of the Carboniferous Period, about 358.9. It is named after Devon, England, where rocks from this period were first studied. The Devonian period experienced the first significant adaptive radiation of terrestrial life. Free-sporing vascular plants began to spread across dry land, forming extensive forests which covered the continents. By the middle of the Devonian, several groups of plants had evolved leaves and true roots, and by the end of the period the first seed-bearing plants appeared. Various terrestrial arthropods also became well-established. Fish reached substantial diversity during this time, leading the Devonian to often be dubbed the "Age of Fish". The first ray-finned and lobe-finned bony fish appeared, while the placoderms began dominating almost every known aquatic environment.
The ancestors of all tetrapods began adapting to walking on land, their strong pectoral and pelvic fins gradually evolving into legs. In the oceans, primitive sharks became more numerous than in the Silurian and the late Ordovician. The first ammonite mollusks appeared. Trilobites, the mollusk-like brachiopods and the great coral reefs, were still common. The Late Devonian extinction which started about 375 million years ago severely affected marine life, killing off all placoderms, and all trilobites, save for a few species of the order Proetida.
This page contains text from Wikipedia, the Free Encyclopedia - https://wn.com/Devonian
Podcasts:
-
The Complete History of the Earth: Devonian Period
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 ...
published: 01 Sep 2022 -
What If You Lived in the Devonian Period?
Human beings have existed for 300,000 years and have managed to live in many unstable environments. We've survived ice ages, devastating pandemics and world wars. But how would we fare even further back in time? What about 400 million years ago, when deadly marine life dominated our oceans and creatures on land were practically non-existent? Let's imagine your What If time machine happened to break down right at this moment, trapping you in the Devonian Period. What would life be like? Where would you live? How long could you last? Transcript: https://whatifshow.com/what-if-you-lived-in-the-devonian-period/ Check out our second channel called "How to Survive": https://bit.ly/how-to-survive-by-what-if Can you translate this episode into another language? Add subtitles and we will link y...
published: 10 May 2020 -
Could You Survive The Devonian Period? (with Hank Green!)
By the end of the Devonian Period, the land had exploded with plant life and ancient invertebrates. There was also Tiktaalik - one of the first known vertebrates able and willing to move from the water to land. Our distant relative figured out how to survive in this dramatically different environment, can you? ***** PBS Member Stations rely on viewers like you. To support your local station, go to http://to.pbs.org/DonateEons ***** Eons is a production of Complexly for PBS Digital Studios. Super special thanks to the following Patreon patrons for helping make Eons possible: Randall George, Morgan, Kevin Lacson, Marco Narajos, Collin Dutrow, Pope John XII, Aaditya Mehta, AllPizzasArePersonal, John H. Austin, Jr., Alex Hackman, Stephen Patterson, Odditeas , Karen Farrell, Jason Rostoker,...
published: 01 Oct 2024 -
Devonian: The Little-Known Era When Armored Prehistoric Sharks Dominated the Seas! DOCUMENTARY
🌍 The Devonian period began around 419 million years ago and spanned 60 million years. It ended around 359 million years ago. This long Devonian period is subdivided into three sub-periods: Lower Devonian, Middle Devonian and Upper Devonian. To be even more precise, these sub-sections have themselves been subdivided into smaller periods. Thus, in the Lower Devonian, we find the Lochkovian, then the Praguian, and the Emsian, in the Middle Devonian, the Eifelian the Givétien, finally in the Upper Devonian we find the Frasnian and the Famennian. 🔥 As a reminder, videos are published on SUNDAYS at 6:00 pm. ------------------------- 💥The Devonian: - We're going to start our journey into the Devonian with a little tour of our planet from the sky. The map in front of you shows the impor...
published: 05 Feb 2024 -
The Devonian Period (That We Know Of) ft. Julian Johnson-Mortimer
Compare coverage and stay informed on breaking news by subscribing through my link https://ground.news/lindsaynikole to receive 30% off unlimited access through the Vantage Subscription which is about $5/month. Sale ends February 29th. THE DEVONIAN PERIOD!!! A time of pioneers, crazy upgrades, and predators that would shiver your timbers. I'm gonna give you a nice sample platter of this period, the strange specimens that existed during it, and the disrespectful way it came to an end. Check out Julian's animations here: @johnsonmortimer A MASSIVE thanks to Gian for the editing! Tiktaalik video mentioned: https://www.youtube.com/watch?v=daD37TsscvU PATREON!! https://www.patreon.com/lindsaynikole Check out my Spooky Specimens Coloring Book here: https://a.co/d/8YCPRvh Keep up with m...
published: 17 Feb 2024 -
DEVONIAN PERIOD. Animals size comparison and data. Paleoart
The Devonian Period (420– 358 Million years ago) is also known as the era of Fish, since this was the the time these primordial vertebrates radiated into multiple clades, like the armored Placoderms, the first Sharks or the group that would give origin to all Tetrapods, the Sarcopterygii. These early tetrapods evolved lungs and took their first steps on a land that was still almost barren, until then only colonized by the earliest plants, some arthropods and giant fungi. This period ended in a massive extinction. Instagram: @mariolanzarensis Prints, T-Shirts and more: https://www.redbubble.com/people/mariolanzas FEATURED TAXA: Palaeocharinus, Erbenochile, Lunaspis, Brochoadmones, Furcacauda, Gonioclymenia, Palaeoisopus, Bothriolepis, Parameteoraspis, Acanthostega, Murrindalaspis, Pan...
published: 26 May 2022 -
Dunkleosteus: The Armoured Mega Fish That Terrorized The Devonian Sea
Was Dunkleosteus Deadlier Than Megalodon? | Head to https://squarespace.com/animalogic to save 10% off your first purchase of a website or domain using code animalogic. Get Animalogic Merch: https://bit.ly/3SXGrXL Support Animalogic on Patreon: https://www.patreon.com/animalogic Subscribe for new episodes on Fridays http://bit.ly/SubscribeToAnimalogic ----------- SOCIAL MEDIA https://www.tiktok.com/@animalogic https://www.instagram.com/animalogicshow/ https://twitter.com/animalogicshow https://www.facebook.com/AnimalogicShow ----------- CREDITS Created by Dylan Dubeau Executive Producer, Director, and Director of Photography: Dylan Dubeau Host: Host: Talia Lowi-Merri Editors: Jim Pitts and Cat Senior Writer, Researcher, Producer, Camera Operator: Andres Salazar ----------- Ta...
published: 30 Sep 2022 -
Asteroid Impacts, Super Volcanoes & The Devonian Extinction
#australia #warburton #devonian #devonianextinction #woodleidhg #victoria #supervolcanoes #volcanism #geology #geography #asteroid #asteroidimpact #crater #impactcrater #bolide #impactevent #largestmeteorite #meteorite #meteor #comet #geoscience #disaster #earthscience #volcanoes #extinction #extinctionevent #comet #asteroids There exists a very noteworthy link between impact events, and supervolcanoes that raged en masse in the state of Victoria, to the Devonian Extinction Event. Which was one of the worst global die offs to have ever occurred. Victoria is located in Australia's South East. And, at this point in time, it was tectonically active in the form of subduction events, and rifting events. But there's a strange phenomenon that occurred, where the westernmost part suddenly reac...
published: 05 Apr 2023 -
The Evolution of Ammonites: From Devonian Seas to the End of the Cretaceous
Ammonites ruled the seas for millions of years, evolving through the Devonian period to the end of the Cretaceous (around 400 to 66 million years ago). These fascinating mollusks, with their intricate spiral shells, were closely related to modern-day squid and octopuses, yet they disappeared in the mass extinction event that marked the end of the dinosaurs. This article explores the evolution of ammonites, their diverse species, and how they adapted to various marine environments over time, only to be wiped out along with so many other life forms during the cataclysmic events at the end of the Cretaceous.
published: 18 Nov 2024 -
It Seems like Trees Caused a Mass Extinction
When it comes to mass extinctions, you probably imagine giant volcanic eruptions or asteroids raining fire from the sky, but sometimes these events can have some unexpected causes. Hosted by: Michael Aranda SciShow is on TikTok! Check us out at https://www.tiktok.com/@scishow ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever: Matt Curls, Alisa Sherbow, Dr. Melvin Sanicas, Harrison Mills, Adam Brainard, Chris Peters, charles george, Piya Shedden, Alex Hackman, Christopher R, Boucher, Jeffrey Mckishen, Ash, Silas Emrys, Eric Jensen, Kevin Bealer, Jason A Saslow, Tom Mosner, Tomás Lagos González, Jacob, Christoph Schwanke, Sam Lutfi...
published: 06 Dec 2022
developed with YouTube
17:03
The Complete History of the Earth: Devonian Period
- Order: Reorder
- Duration: 17:03
- Uploaded Date: 01 Sep 2022
- views: 403014
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 #historyof...
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! https://www.youtube.com/watch?v=JO58VK6ezUM
Check out My Linktree to join me on social media!:
https://linktr.ee/PaleoAnalysis
Most of my music has been provided by MehoDrums. If you enjoy any of the tunes in my background or into, check out some of his other stuff and contact him if you want to have him compose some stuff for you!
https://linktr.ee/MehoDrums?fbclid=Iw...
Copyright Disclaimer Under Section 107 of the Copyright Act 1976, allowance is made for "fair use" for purposes such as criticism, comment, news reporting, teaching, scholarship, and research. Fair use is a use permitted by copyright statute that might otherwise be infringing. Non-profit, educational or personal use tips the balance in favor of fair use.
https://wn.com/The_Complete_History_Of_The_Earth_Devonian_Period
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! https://www.youtube.com/watch?v=JO58VK6ezUM
Check out My Linktree to join me on social media!:
https://linktr.ee/PaleoAnalysis
Most of my music has been provided by MehoDrums. If you enjoy any of the tunes in my background or into, check out some of his other stuff and contact him if you want to have him compose some stuff for you!
https://linktr.ee/MehoDrums?fbclid=Iw...
Copyright Disclaimer Under Section 107 of the Copyright Act 1976, allowance is made for "fair use" for purposes such as criticism, comment, news reporting, teaching, scholarship, and research. Fair use is a use permitted by copyright statute that might otherwise be infringing. Non-profit, educational or personal use tips the balance in favor of fair use.
7:12
What If You Lived in the Devonian Period?
- Order: Reorder
- Duration: 7:12
- Uploaded Date: 10 May 2020
- views: 5883957
Human beings have existed for 300,000 years and have managed to live in many unstable environments. We've survived ice ages, devastating pandemics and world war...
Human beings have existed for 300,000 years and have managed to live in many unstable environments. We've survived ice ages, devastating pandemics and world wars. But how would we fare even further back in time? What about 400 million years ago, when deadly marine life dominated our oceans and creatures on land were practically non-existent? Let's imagine your What If time machine happened to break down right at this moment, trapping you in the Devonian Period. What would life be like? Where would you live? How long could you last?
Transcript: https://whatifshow.com/what-if-you-lived-in-the-devonian-period/
Check out our second channel called "How to Survive": https://bit.ly/how-to-survive-by-what-if
Can you translate this episode into another language? Add subtitles and we will link your YouTube channel in the description: https://www.youtube.com/timedtext_video?v=bM6gEUNyEqA
Watch more what-if scenarios:
Planet Earth: http://bit.ly/YT-what-if-Earth
The Cosmos: http://bit.ly/YT-what-if-Cosmos
Technology: http://bit.ly/YT-what-if-Technology
Your Body: http://bit.ly/YT-what-if-Body
Humanity: http://bit.ly/YT-what-if-Humanity
T-shirts and merch: http://bit.ly/whatifstore
Suggest an episode: http://bit.ly/suggest-whatif
Newsletter: http://bit.ly/whatif-newsletter
Feedback and inquiries: https://underknown.com/contact/
What If elsewhere:
Instagram: http://bit.ly/whatif-instagram
Twitter: http://bit.ly/whatif-twitter
Facebook: http://bit.ly/facebook-whatif
What If in Spanish: http://bit.ly/YT-Spanish-what-if
What If in Mandarin: http://bit.ly/YT-Chinese-what-if
Podcast: http://bit.ly/yt-what-if-show-podcast
What If is a mini-documentary web series that takes you on an epic journey through hypothetical worlds and possibilities. Join us on an imaginary adventure through time, space and chance while we (hopefully) boil down complex subjects in a fun and entertaining way.
Produced with love by Underknown in Toronto: https://underknown.com
https://wn.com/What_If_You_Lived_In_The_Devonian_Period
Human beings have existed for 300,000 years and have managed to live in many unstable environments. We've survived ice ages, devastating pandemics and world wars. But how would we fare even further back in time? What about 400 million years ago, when deadly marine life dominated our oceans and creatures on land were practically non-existent? Let's imagine your What If time machine happened to break down right at this moment, trapping you in the Devonian Period. What would life be like? Where would you live? How long could you last?
Transcript: https://whatifshow.com/what-if-you-lived-in-the-devonian-period/
Check out our second channel called "How to Survive": https://bit.ly/how-to-survive-by-what-if
Can you translate this episode into another language? Add subtitles and we will link your YouTube channel in the description: https://www.youtube.com/timedtext_video?v=bM6gEUNyEqA
Watch more what-if scenarios:
Planet Earth: http://bit.ly/YT-what-if-Earth
The Cosmos: http://bit.ly/YT-what-if-Cosmos
Technology: http://bit.ly/YT-what-if-Technology
Your Body: http://bit.ly/YT-what-if-Body
Humanity: http://bit.ly/YT-what-if-Humanity
T-shirts and merch: http://bit.ly/whatifstore
Suggest an episode: http://bit.ly/suggest-whatif
Newsletter: http://bit.ly/whatif-newsletter
Feedback and inquiries: https://underknown.com/contact/
What If elsewhere:
Instagram: http://bit.ly/whatif-instagram
Twitter: http://bit.ly/whatif-twitter
Facebook: http://bit.ly/facebook-whatif
What If in Spanish: http://bit.ly/YT-Spanish-what-if
What If in Mandarin: http://bit.ly/YT-Chinese-what-if
Podcast: http://bit.ly/yt-what-if-show-podcast
What If is a mini-documentary web series that takes you on an epic journey through hypothetical worlds and possibilities. Join us on an imaginary adventure through time, space and chance while we (hopefully) boil down complex subjects in a fun and entertaining way.
Produced with love by Underknown in Toronto: https://underknown.com
- published: 10 May 2020
- views: 5883957
55:11
Could You Survive The Devonian Period? (with Hank Green!)
- Order: Reorder
- Duration: 55:11
- Uploaded Date: 01 Oct 2024
- views: 350692
By the end of the Devonian Period, the land had exploded with plant life and ancient invertebrates. There was also Tiktaalik - one of the first known vertebrate...
By the end of the Devonian Period, the land had exploded with plant life and ancient invertebrates. There was also Tiktaalik - one of the first known vertebrates able and willing to move from the water to land. Our distant relative figured out how to survive in this dramatically different environment, can you?
*****
PBS Member Stations rely on viewers like you. To support your local station, go to http://to.pbs.org/DonateEons
*****
Eons is a production of Complexly for PBS Digital Studios.
Super special thanks to the following Patreon patrons for helping make Eons possible:
Randall George, Morgan, Kevin Lacson, Marco Narajos, Collin Dutrow, Pope John XII, Aaditya Mehta, AllPizzasArePersonal, John H. Austin, Jr., Alex Hackman, Stephen Patterson, Odditeas , Karen Farrell, Jason Rostoker, Jonathan Rust, Mary Tevington, Bart & Elke van Iersel - De Jong, Irene Wood, Derek Helling, Mark Talbott-Williams, Nomi Alchin, Duane Westhoff, Hillary Ryde-Collins, Yu Mei, Albert Folsom, Heathe Kyle Yeakley, Dan Caffee, Nick Ryhajlo, Jeff Graham
If you'd like to support the channel, head over to http://patreon.com/eons and pledge for some cool rewards!
Want to follow Eons elsewhere on the internet?
Facebook - https://www.facebook.com/eonsshow
Twitter - https://twitter.com/eonsshow
Instagram - https://www.instagram.com/eonsshow/
#Eons #podcast #devonian
References:
https://docs.google.com/document/d/1JMkcrUCsbEydRUjxUadghWCtoU4UIUkdM_bbTTqJ0KA/edit?usp=sharing
https://wn.com/Could_You_Survive_The_Devonian_Period_(With_Hank_Green_)
By the end of the Devonian Period, the land had exploded with plant life and ancient invertebrates. There was also Tiktaalik - one of the first known vertebrates able and willing to move from the water to land. Our distant relative figured out how to survive in this dramatically different environment, can you?
*****
PBS Member Stations rely on viewers like you. To support your local station, go to http://to.pbs.org/DonateEons
*****
Eons is a production of Complexly for PBS Digital Studios.
Super special thanks to the following Patreon patrons for helping make Eons possible:
Randall George, Morgan, Kevin Lacson, Marco Narajos, Collin Dutrow, Pope John XII, Aaditya Mehta, AllPizzasArePersonal, John H. Austin, Jr., Alex Hackman, Stephen Patterson, Odditeas , Karen Farrell, Jason Rostoker, Jonathan Rust, Mary Tevington, Bart & Elke van Iersel - De Jong, Irene Wood, Derek Helling, Mark Talbott-Williams, Nomi Alchin, Duane Westhoff, Hillary Ryde-Collins, Yu Mei, Albert Folsom, Heathe Kyle Yeakley, Dan Caffee, Nick Ryhajlo, Jeff Graham
If you'd like to support the channel, head over to http://patreon.com/eons and pledge for some cool rewards!
Want to follow Eons elsewhere on the internet?
Facebook - https://www.facebook.com/eonsshow
Twitter - https://twitter.com/eonsshow
Instagram - https://www.instagram.com/eonsshow/
#Eons #podcast #devonian
References:
https://docs.google.com/document/d/1JMkcrUCsbEydRUjxUadghWCtoU4UIUkdM_bbTTqJ0KA/edit?usp=sharing
- published: 01 Oct 2024
- views: 350692
1:52:54
Devonian: The Little-Known Era When Armored Prehistoric Sharks Dominated the Seas! DOCUMENTARY
- Order: Reorder
- Duration: 1:52:54
- Uploaded Date: 05 Feb 2024
- views: 295758
🌍 The Devonian period began around 419 million years ago and spanned 60 million years. It ended around 359 million years ago. This long Devonian period is subdi...
🌍 The Devonian period began around 419 million years ago and spanned 60 million years. It ended around 359 million years ago. This long Devonian period is subdivided into three sub-periods: Lower Devonian, Middle Devonian and Upper Devonian.
To be even more precise, these sub-sections have themselves been subdivided into smaller periods. Thus, in the Lower Devonian, we find the Lochkovian, then the Praguian, and the Emsian, in the Middle Devonian, the Eifelian the Givétien, finally in the Upper Devonian we find the Frasnian and the Famennian.
🔥 As a reminder, videos are published on SUNDAYS at 6:00 pm.
-------------------------
💥The Devonian:
- We're going to start our journey into the Devonian with a little tour of our planet from the sky. The map in front of you shows the importance of the ocean on our planet. It covers a large part of the planet. This was already the case in Silurian times, when the Panthalassa ocean covered a very large part of our planet. However, the layout of the continents and oceans was significantly different.
In the middle of the Panthalassa Ocean, we can see the continent Laurussia. This is a very young continent, formed in the Silurian.
The much larger Protogondwana continent can also be seen to the south of the hemisphere. The latter occupied most of the southern hemisphere until the earth's activities forced it to move. It is now slowly sliding northwards. And to the north lies Laurussia. The two inevitably collide.
This collision and the new proximity of the continents will result in a new configuration of our planet and its landmasses. These were the beginnings of the formation of Pangea, a single continent, which took place a little later, in the Carboniferous period. In addition to creating Pangea, this collision closed the Central Ocean and raised imposing Hercynian mountain ranges from the Appalachians to the Silesian Massif.
As far as geography and climate are concerned, there's another important point to know about the Devonian period. Here we have a view of the Earth at the very beginning of the Devonian. If you look at the continents and the Earth from all angles, you can see that there were no major ice caps. This means that the climate was rather mild all over the globe.
Average temperatures were around 25-30°C.
During the Devonian period, plate movements brought certain land masses closer to the South Pole. The absence of ice caps was therefore short-lived. As you can see, a few are appearing here and there near the poles. This phenomenon is accompanied by some major climatic changes, as you can imagine, bearing in mind that the position of the continents is still quite close to the poles compared with today. The continent is therefore cooling.
But it's not just the ice caps that have an impact on climate, plants also play a major role. As you'll be able to see for yourself in a few minutes, plants developed a great deal during the Devonian Period. Remember, the Silurian heralded the beginnings of their colonization. New plants could be seen along the coasts and coastlines. Everywhere else, life still seemed impossible.
By the Middle Devonian, plants were finally able to reach deeper inland. A variety of plant species appeared on the continent, along with significant radiation.
This expansion is a good thing for life on earth, of course. But it is not without consequences for the climate. Plants absorb large quantities of CO2, from which they draw their energy. As CO2 levels fall, the air also cools.
-------------------------
🎬 Today's program:
- 00:00 - Introduction
- 05:56 - The geographic space of the Devonian and the main events of the period
- 11:45 - Devonian reefs, a rich and diverse marine ecosystem
- 25:02 - Species diversifying... others in decline...
- 32:47 - Dunkleosteus, the incredible prehistoric armored shark!
- 39:45 - One of the major radiations in Devonian history
- 43:22 - Golden age of fishes
- 01:17:28 - The expansion of vegetation on earth
This channel is an official affiliate of the ORBINEA STUDIO network.
https://wn.com/Devonian_The_Little_Known_Era_When_Armored_Prehistoric_Sharks_Dominated_The_Seas_Documentary
🌍 The Devonian period began around 419 million years ago and spanned 60 million years. It ended around 359 million years ago. This long Devonian period is subdivided into three sub-periods: Lower Devonian, Middle Devonian and Upper Devonian.
To be even more precise, these sub-sections have themselves been subdivided into smaller periods. Thus, in the Lower Devonian, we find the Lochkovian, then the Praguian, and the Emsian, in the Middle Devonian, the Eifelian the Givétien, finally in the Upper Devonian we find the Frasnian and the Famennian.
🔥 As a reminder, videos are published on SUNDAYS at 6:00 pm.
-------------------------
💥The Devonian:
- We're going to start our journey into the Devonian with a little tour of our planet from the sky. The map in front of you shows the importance of the ocean on our planet. It covers a large part of the planet. This was already the case in Silurian times, when the Panthalassa ocean covered a very large part of our planet. However, the layout of the continents and oceans was significantly different.
In the middle of the Panthalassa Ocean, we can see the continent Laurussia. This is a very young continent, formed in the Silurian.
The much larger Protogondwana continent can also be seen to the south of the hemisphere. The latter occupied most of the southern hemisphere until the earth's activities forced it to move. It is now slowly sliding northwards. And to the north lies Laurussia. The two inevitably collide.
This collision and the new proximity of the continents will result in a new configuration of our planet and its landmasses. These were the beginnings of the formation of Pangea, a single continent, which took place a little later, in the Carboniferous period. In addition to creating Pangea, this collision closed the Central Ocean and raised imposing Hercynian mountain ranges from the Appalachians to the Silesian Massif.
As far as geography and climate are concerned, there's another important point to know about the Devonian period. Here we have a view of the Earth at the very beginning of the Devonian. If you look at the continents and the Earth from all angles, you can see that there were no major ice caps. This means that the climate was rather mild all over the globe.
Average temperatures were around 25-30°C.
During the Devonian period, plate movements brought certain land masses closer to the South Pole. The absence of ice caps was therefore short-lived. As you can see, a few are appearing here and there near the poles. This phenomenon is accompanied by some major climatic changes, as you can imagine, bearing in mind that the position of the continents is still quite close to the poles compared with today. The continent is therefore cooling.
But it's not just the ice caps that have an impact on climate, plants also play a major role. As you'll be able to see for yourself in a few minutes, plants developed a great deal during the Devonian Period. Remember, the Silurian heralded the beginnings of their colonization. New plants could be seen along the coasts and coastlines. Everywhere else, life still seemed impossible.
By the Middle Devonian, plants were finally able to reach deeper inland. A variety of plant species appeared on the continent, along with significant radiation.
This expansion is a good thing for life on earth, of course. But it is not without consequences for the climate. Plants absorb large quantities of CO2, from which they draw their energy. As CO2 levels fall, the air also cools.
-------------------------
🎬 Today's program:
- 00:00 - Introduction
- 05:56 - The geographic space of the Devonian and the main events of the period
- 11:45 - Devonian reefs, a rich and diverse marine ecosystem
- 25:02 - Species diversifying... others in decline...
- 32:47 - Dunkleosteus, the incredible prehistoric armored shark!
- 39:45 - One of the major radiations in Devonian history
- 43:22 - Golden age of fishes
- 01:17:28 - The expansion of vegetation on earth
This channel is an official affiliate of the ORBINEA STUDIO network.
- published: 05 Feb 2024
- views: 295758
25:17
The Devonian Period (That We Know Of) ft. Julian Johnson-Mortimer
- Order: Reorder
- Duration: 25:17
- Uploaded Date: 17 Feb 2024
- views: 507077
Compare coverage and stay informed on breaking news by subscribing through my link https://ground.news/lindsaynikole to receive 30% off unlimited access through...
Compare coverage and stay informed on breaking news by subscribing through my link https://ground.news/lindsaynikole to receive 30% off unlimited access through the Vantage Subscription which is about $5/month. Sale ends February 29th.
THE DEVONIAN PERIOD!!! A time of pioneers, crazy upgrades, and predators that would shiver your timbers. I'm gonna give you a nice sample platter of this period, the strange specimens that existed during it, and the disrespectful way it came to an end.
Check out Julian's animations here: @johnsonmortimer
A MASSIVE thanks to Gian for the editing!
Tiktaalik video mentioned: https://www.youtube.com/watch?v=daD37TsscvU
PATREON!!
https://www.patreon.com/lindsaynikole
Check out my Spooky Specimens Coloring Book here: https://a.co/d/8YCPRvh
Keep up with my daily content on:
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Business Inquiries: lindsaynikole@viralnationtalent.com
https://wn.com/The_Devonian_Period_(That_We_Know_Of)_Ft._Julian_Johnson_Mortimer
Compare coverage and stay informed on breaking news by subscribing through my link https://ground.news/lindsaynikole to receive 30% off unlimited access through the Vantage Subscription which is about $5/month. Sale ends February 29th.
THE DEVONIAN PERIOD!!! A time of pioneers, crazy upgrades, and predators that would shiver your timbers. I'm gonna give you a nice sample platter of this period, the strange specimens that existed during it, and the disrespectful way it came to an end.
Check out Julian's animations here: @johnsonmortimer
A MASSIVE thanks to Gian for the editing!
Tiktaalik video mentioned: https://www.youtube.com/watch?v=daD37TsscvU
PATREON!!
https://www.patreon.com/lindsaynikole
Check out my Spooky Specimens Coloring Book here: https://a.co/d/8YCPRvh
Keep up with my daily content on:
TikTok: https://www.tiktok.com/@lindsaynikole
Instagram: https://www.instagram.com/lindsay_nikole/
And allll of my links here:
https://linktr.ee/smbah
Business Inquiries: lindsaynikole@viralnationtalent.com
- published: 17 Feb 2024
- views: 507077
4:24
DEVONIAN PERIOD. Animals size comparison and data. Paleoart
- Order: Reorder
- Duration: 4:24
- Uploaded Date: 26 May 2022
- views: 470908
The Devonian Period (420– 358 Million years ago) is also known as the era of Fish, since this was the the time these primordial vertebrates radiated into multip...
The Devonian Period (420– 358 Million years ago) is also known as the era of Fish, since this was the the time these primordial vertebrates radiated into multiple clades, like the armored Placoderms, the first Sharks or the group that would give origin to all Tetrapods, the Sarcopterygii. These early tetrapods evolved lungs and took their first steps on a land that was still almost barren, until then only colonized by the earliest plants, some arthropods and giant fungi. This period ended in a massive extinction.
Instagram: @mariolanzarensis
Prints, T-Shirts and more:
https://www.redbubble.com/people/mariolanzas
FEATURED TAXA: Palaeocharinus, Erbenochile, Lunaspis, Brochoadmones, Furcacauda, Gonioclymenia, Palaeoisopus, Bothriolepis, Parameteoraspis, Acanthostega, Murrindalaspis, Panderichthys, Tartuosteus, Ichthyostega, Antarctilamna, Acutiramus, Bungatius, Cladoselache, Hyneria, Heterosteus, Titanichthys, Dunkleosteus
Music:
Eter Oar- The Whole other (edited)
Lee Rosevere - Waves of Sleep (fragment)
https://wn.com/Devonian_Period._Animals_Size_Comparison_And_Data._Paleoart
The Devonian Period (420– 358 Million years ago) is also known as the era of Fish, since this was the the time these primordial vertebrates radiated into multiple clades, like the armored Placoderms, the first Sharks or the group that would give origin to all Tetrapods, the Sarcopterygii. These early tetrapods evolved lungs and took their first steps on a land that was still almost barren, until then only colonized by the earliest plants, some arthropods and giant fungi. This period ended in a massive extinction.
Instagram: @mariolanzarensis
Prints, T-Shirts and more:
https://www.redbubble.com/people/mariolanzas
FEATURED TAXA: Palaeocharinus, Erbenochile, Lunaspis, Brochoadmones, Furcacauda, Gonioclymenia, Palaeoisopus, Bothriolepis, Parameteoraspis, Acanthostega, Murrindalaspis, Panderichthys, Tartuosteus, Ichthyostega, Antarctilamna, Acutiramus, Bungatius, Cladoselache, Hyneria, Heterosteus, Titanichthys, Dunkleosteus
Music:
Eter Oar- The Whole other (edited)
Lee Rosevere - Waves of Sleep (fragment)
- published: 26 May 2022
- views: 470908
8:31
Dunkleosteus: The Armoured Mega Fish That Terrorized The Devonian Sea
- Order: Reorder
- Duration: 8:31
- Uploaded Date: 30 Sep 2022
- views: 1721305
Was Dunkleosteus Deadlier Than Megalodon? | Head to https://squarespace.com/animalogic to save 10% off your first purchase of a website or domain using code ani...
Was Dunkleosteus Deadlier Than Megalodon? | Head to https://squarespace.com/animalogic to save 10% off your first purchase of a website or domain using code animalogic.
Get Animalogic Merch: https://bit.ly/3SXGrXL
Support Animalogic on Patreon:
https://www.patreon.com/animalogic
Subscribe for new episodes on Fridays
http://bit.ly/SubscribeToAnimalogic
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https://www.instagram.com/animalogicshow/
https://twitter.com/animalogicshow
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-----------
CREDITS
Created by Dylan Dubeau
Executive Producer, Director, and Director of Photography: Dylan Dubeau
Host: Host: Talia Lowi-Merri
Editors: Jim Pitts and Cat Senior
Writer, Researcher, Producer, Camera Operator: Andres Salazar
-----------
Taking a deep look at the past and the animals that lived in it.
https://wn.com/Dunkleosteus_The_Armoured_Mega_Fish_That_Terrorized_The_Devonian_Sea
Was Dunkleosteus Deadlier Than Megalodon? | Head to https://squarespace.com/animalogic to save 10% off your first purchase of a website or domain using code animalogic.
Get Animalogic Merch: https://bit.ly/3SXGrXL
Support Animalogic on Patreon:
https://www.patreon.com/animalogic
Subscribe for new episodes on Fridays
http://bit.ly/SubscribeToAnimalogic
-----------
SOCIAL MEDIA
https://www.tiktok.com/@animalogic
https://www.instagram.com/animalogicshow/
https://twitter.com/animalogicshow
https://www.facebook.com/AnimalogicShow
-----------
CREDITS
Created by Dylan Dubeau
Executive Producer, Director, and Director of Photography: Dylan Dubeau
Host: Host: Talia Lowi-Merri
Editors: Jim Pitts and Cat Senior
Writer, Researcher, Producer, Camera Operator: Andres Salazar
-----------
Taking a deep look at the past and the animals that lived in it.
- published: 30 Sep 2022
- views: 1721305
10:26
Asteroid Impacts, Super Volcanoes & The Devonian Extinction
- Order: Reorder
- Duration: 10:26
- Uploaded Date: 05 Apr 2023
- views: 116043
#australia #warburton #devonian #devonianextinction #woodleidhg #victoria #supervolcanoes #volcanism #geology #geography #asteroid #asteroidimpact #crater #impa...
#australia #warburton #devonian #devonianextinction #woodleidhg #victoria #supervolcanoes #volcanism #geology #geography #asteroid #asteroidimpact #crater #impactcrater #bolide #impactevent #largestmeteorite #meteorite #meteor #comet #geoscience #disaster #earthscience #volcanoes #extinction #extinctionevent #comet #asteroids
There exists a very noteworthy link between impact events, and supervolcanoes that raged en masse in the state of Victoria, to the Devonian Extinction Event. Which was one of the worst global die offs to have ever occurred.
Victoria is located in Australia's South East. And, at this point in time, it was tectonically active in the form of subduction events, and rifting events. But there's a strange phenomenon that occurred, where the westernmost part suddenly reactivated again, and there exists a chance that the reasoning for this, was directly related to the impact events that occurred.
In this video, we take a look at the dates of the Woodleigh impact event, and the two speculated Warburton impact craters, that slammed into the middle of Australia, possibly 360 million years ago. We relate these events to the massive amount of volcanism and the related volatiles that were being pumped into the stratosphere, which worked to both block incoming sunlight, whilst also leading to volcanic winters, creating the small intermittent, and recurrent glaciation events witnessed around this time period. Along with all of this, we also link both of these impact events to the generation of two separate flood basaltic events.
I hope you enjoyed this video. If you wish to be in the loop for more content such as this, each like, share, comment and subscription helps the channel out immensely.
If you are not in a position to donate, I totally understand! The biggest supporting factor that you engage in is to watch our videos all the way to the end (very important for helping us rank) and to share them around so please consider doing this so that Youtube recommends our channel more.
If you are in a position to support our channel on Youtube Membership, Patreon, or by donating to our PayPal, the link to all of this can be found below:
If you are not in a position to donate, I totally understand! The biggest supporting factor that you engage in is to watch our videos all the way to the end (very important for helping us rank) and to share them around so please consider doing this so that Youtube recommends our channel more.
If you are in a position to support our channel by donating to our PayPal the link to all of this can be found below:
Australian Super Volcanoes: Episode 1 - Subduction Related
https://www.youtube.com/watch?v=isHeTpMCMo4
Australian Super Volcanoes: Episode 2 - The Rift Zone
https://www.youtube.com/watch?v=0ig3Jfb4swg
Australian Super Volcanoes: Episode 3 - The Anomaly in The Western Volcanic Field:
https://www.youtube.com/watch?v=XRIxGJr2KJQ
The World's Largest Impact Event In South Africa
https://www.youtube.com/watch?v=xdkJLn-1Ekk
Western Australia Impact Event - Woodleigh Crater:
https://www.youtube.com/watch?v=Nmzt2yHnLEI
Lake Acraman Impact Event:
https://www.youtube.com/watch?v=YYhUiHGpezk
🎥 If you would like to support this channel, consider joining our Patreon:
https://patreon.com/OzGeology
👉 You can also click the "join" button to join our Youtube channel's membership. Every contribution helps to create more videos.
🌋 Subscribe to our Youtube Channel: https://www.youtube.com/channel/UCxLrvjGBzYmj8W1rJToPasgsub_confirmation=1
💥Link To Our Facebook:
https://facebook.com/OzGeology
🌏 About OzGeology
OzGeology is an Australian-based YouTube channel that specializes in creating high-quality documentaries on Earth sciences and natural disasters. The content is designed to be easy to digest and covers a wide range of topics, not only focusing on geology but occasionally exploring other scientific areas as well.
https://wn.com/Asteroid_Impacts,_Super_Volcanoes_The_Devonian_Extinction
#australia #warburton #devonian #devonianextinction #woodleidhg #victoria #supervolcanoes #volcanism #geology #geography #asteroid #asteroidimpact #crater #impactcrater #bolide #impactevent #largestmeteorite #meteorite #meteor #comet #geoscience #disaster #earthscience #volcanoes #extinction #extinctionevent #comet #asteroids
There exists a very noteworthy link between impact events, and supervolcanoes that raged en masse in the state of Victoria, to the Devonian Extinction Event. Which was one of the worst global die offs to have ever occurred.
Victoria is located in Australia's South East. And, at this point in time, it was tectonically active in the form of subduction events, and rifting events. But there's a strange phenomenon that occurred, where the westernmost part suddenly reactivated again, and there exists a chance that the reasoning for this, was directly related to the impact events that occurred.
In this video, we take a look at the dates of the Woodleigh impact event, and the two speculated Warburton impact craters, that slammed into the middle of Australia, possibly 360 million years ago. We relate these events to the massive amount of volcanism and the related volatiles that were being pumped into the stratosphere, which worked to both block incoming sunlight, whilst also leading to volcanic winters, creating the small intermittent, and recurrent glaciation events witnessed around this time period. Along with all of this, we also link both of these impact events to the generation of two separate flood basaltic events.
I hope you enjoyed this video. If you wish to be in the loop for more content such as this, each like, share, comment and subscription helps the channel out immensely.
If you are not in a position to donate, I totally understand! The biggest supporting factor that you engage in is to watch our videos all the way to the end (very important for helping us rank) and to share them around so please consider doing this so that Youtube recommends our channel more.
If you are in a position to support our channel on Youtube Membership, Patreon, or by donating to our PayPal, the link to all of this can be found below:
If you are not in a position to donate, I totally understand! The biggest supporting factor that you engage in is to watch our videos all the way to the end (very important for helping us rank) and to share them around so please consider doing this so that Youtube recommends our channel more.
If you are in a position to support our channel by donating to our PayPal the link to all of this can be found below:
Australian Super Volcanoes: Episode 1 - Subduction Related
https://www.youtube.com/watch?v=isHeTpMCMo4
Australian Super Volcanoes: Episode 2 - The Rift Zone
https://www.youtube.com/watch?v=0ig3Jfb4swg
Australian Super Volcanoes: Episode 3 - The Anomaly in The Western Volcanic Field:
https://www.youtube.com/watch?v=XRIxGJr2KJQ
The World's Largest Impact Event In South Africa
https://www.youtube.com/watch?v=xdkJLn-1Ekk
Western Australia Impact Event - Woodleigh Crater:
https://www.youtube.com/watch?v=Nmzt2yHnLEI
Lake Acraman Impact Event:
https://www.youtube.com/watch?v=YYhUiHGpezk
🎥 If you would like to support this channel, consider joining our Patreon:
https://patreon.com/OzGeology
👉 You can also click the "join" button to join our Youtube channel's membership. Every contribution helps to create more videos.
🌋 Subscribe to our Youtube Channel: https://www.youtube.com/channel/UCxLrvjGBzYmj8W1rJToPasgsub_confirmation=1
💥Link To Our Facebook:
https://facebook.com/OzGeology
🌏 About OzGeology
OzGeology is an Australian-based YouTube channel that specializes in creating high-quality documentaries on Earth sciences and natural disasters. The content is designed to be easy to digest and covers a wide range of topics, not only focusing on geology but occasionally exploring other scientific areas as well.
- published: 05 Apr 2023
- views: 116043
0:32
The Evolution of Ammonites: From Devonian Seas to the End of the Cretaceous
- Order: Reorder
- Duration: 0:32
- Uploaded Date: 18 Nov 2024
- views: 469
Ammonites ruled the seas for millions of years, evolving through the Devonian period to the end of the Cretaceous (around 400 to 66 million years ago). These fa...
Ammonites ruled the seas for millions of years, evolving through the Devonian period to the end of the Cretaceous (around 400 to 66 million years ago). These fascinating mollusks, with their intricate spiral shells, were closely related to modern-day squid and octopuses, yet they disappeared in the mass extinction event that marked the end of the dinosaurs. This article explores the evolution of ammonites, their diverse species, and how they adapted to various marine environments over time, only to be wiped out along with so many other life forms during the cataclysmic events at the end of the Cretaceous.
https://wn.com/The_Evolution_Of_Ammonites_From_Devonian_Seas_To_The_End_Of_The_Cretaceous
Ammonites ruled the seas for millions of years, evolving through the Devonian period to the end of the Cretaceous (around 400 to 66 million years ago). These fascinating mollusks, with their intricate spiral shells, were closely related to modern-day squid and octopuses, yet they disappeared in the mass extinction event that marked the end of the dinosaurs. This article explores the evolution of ammonites, their diverse species, and how they adapted to various marine environments over time, only to be wiped out along with so many other life forms during the cataclysmic events at the end of the Cretaceous.
- published: 18 Nov 2024
- views: 469
5:29
It Seems like Trees Caused a Mass Extinction
- Order: Reorder
- Duration: 5:29
- Uploaded Date: 06 Dec 2022
- views: 170158
When it comes to mass extinctions, you probably imagine giant volcanic eruptions or asteroids raining fire from the sky, but sometimes these events can have som...
When it comes to mass extinctions, you probably imagine giant volcanic eruptions or asteroids raining fire from the sky, but sometimes these events can have some unexpected causes.
Hosted by: Michael Aranda
SciShow is on TikTok! Check us out at https://www.tiktok.com/@scishow
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Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow
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Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever:
Matt Curls, Alisa Sherbow, Dr. Melvin Sanicas, Harrison Mills, Adam Brainard, Chris Peters, charles george, Piya Shedden, Alex Hackman, Christopher R, Boucher, Jeffrey Mckishen, Ash, Silas Emrys, Eric Jensen, Kevin Bealer, Jason A Saslow, Tom Mosner, Tomás Lagos González, Jacob, Christoph Schwanke, Sam Lutfi, Bryan Cloer
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Sources:
https://www.geosociety.org/gsatoday/archive/22/1/article/i1052-5173-22-1-4.htm
https://www.sciencedirect.com/science/article/pii/S0012825220302464
https://www.lyellcollection.org/doi/full/10.1144/SP423.10
https://bioone.org/journals/paleontological-research/volume-25/issue-4/2021PR004/Nonmarine-Mass-Extinctions/10.2517/2021PR004.short
https://www.lyellcollection.org/doi/full/10.1144/SP423.9
https://www.geosociety.org/documents/gsa/timescale/timescl.pdf
https://www.britannica.com/animal/placoderm
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1692181/
https://oceanservice.noaa.gov/facts/eutrophication.html
https://www.nature.com/articles/s41477-017-0097-2
https://www.eurekalert.org/news-releases/970795
Images:
https://www.gettyimages.com/detail/photo/volcanic-mountain-in-eruption-royalty-free-image/670551650?phrase=volcano&adppopup;=true
https://www.gettyimages.com/detail/photo/fossil-fish-royalty-free-image/96672769?phrase=Devonian&adppopup;=true
https://commons.wikimedia.org/wiki/File:Late_Devonian_palaeogeographic_map.jpg
https://www.gettyimages.com/detail/photo/trilobites-scavenging-on-the-seabottom-royalty-free-image/522735233?phrase=Devonian&adppopup;=true
https://commons.wikimedia.org/wiki/File:Stromatoporoid_fossil_(Columbus_Limestone,_Middle_Devonian;_Ohio,_USA)_1_(27138607267).jpg
https://www.gettyimages.com/detail/photo/fossil-trilobite-imprinted-in-the-sediment-royalty-free-image/478272718?phrase=trilobite&adppopup;=true
https://www.gettyimages.com/detail/photo/group-of-dunkleosteus-circling-royalty-free-image/531178207?phrase=Devonian&adppopup;=true
https://commons.wikimedia.org/wiki/File:Devonianscene-green.jpg
https://commons.wikimedia.org/wiki/File:Zosterophyllum_sp._-_MUSE.jpg
https://www.gettyimages.com/detail/illustration/parts-of-plant-morphology-of-abstract-tree-royalty-free-illustration/1044769846?phrase=tree%20anatomy%20trunk%20roots&adppopup;=true
https://commons.wikimedia.org/wiki/File:Seed_fern_frond.jpg
https://www.gettyimages.com/detail/photo/carboniferous-forest-royalty-free-image/468599236?phrase=devonian%20forest&adppopup;=true
https://www.gettyimages.com/detail/video/slow-motion-surface-boiling-water-stock-footage/1344403983?phrase=flowing%20water&adppopup;=true
https://www.gettyimages.com/detail/video/algal-bloom-polluted-water-green-color-in-lake-stock-footage/597926202?phrase=algae%20bloom&adppopup;=true
https://www.gettyimages.com/detail/illustration/the-eutrophication-process-royalty-free-illustration/1364257858?phrase=eutrophication&adppopup;=true
https://www.gettyimages.com/detail/illustration/lepidodendron-tree-royalty-free-illustration/1257383377?phrase=Lepidodendron&adppopup;=true
https://www.gettyimages.com/detail/photo/sigillaria-tree-like-plant-fom-the-carboniferous-royalty-free-image/1157676356?phrase=Lepidodendron&adppopup;=true
https://www.gettyimages.com/detail/photo/devonian-scaumenacia-fish-royalty-free-image/477323245?phrase=Devonian&adppopup;=true
https://www.gettyimages.com/detail/photo/collision-of-an-asteroid-with-the-earth-royalty-free-image/537697098?phrase=asteroid%20impact&adppopup;=true
https://www.gettyimages.com/detail/photo/devonian-lake-cycle-of-life-royalty-free-image/531127397?phrase=Devonian&adppopup;=true
https://wn.com/It_Seems_Like_Trees_Caused_A_Mass_Extinction
When it comes to mass extinctions, you probably imagine giant volcanic eruptions or asteroids raining fire from the sky, but sometimes these events can have some unexpected causes.
Hosted by: Michael Aranda
SciShow is on TikTok! Check us out at https://www.tiktok.com/@scishow
----------
Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow
----------
Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever:
Matt Curls, Alisa Sherbow, Dr. Melvin Sanicas, Harrison Mills, Adam Brainard, Chris Peters, charles george, Piya Shedden, Alex Hackman, Christopher R, Boucher, Jeffrey Mckishen, Ash, Silas Emrys, Eric Jensen, Kevin Bealer, Jason A Saslow, Tom Mosner, Tomás Lagos González, Jacob, Christoph Schwanke, Sam Lutfi, Bryan Cloer
----------
Looking for SciShow elsewhere on the internet?
SciShow Tangents Podcast: https://scishow-tangents.simplecast.com/
Facebook: http://www.facebook.com/scishow
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#SciShow #science #education
----------
Sources:
https://www.geosociety.org/gsatoday/archive/22/1/article/i1052-5173-22-1-4.htm
https://www.sciencedirect.com/science/article/pii/S0012825220302464
https://www.lyellcollection.org/doi/full/10.1144/SP423.10
https://bioone.org/journals/paleontological-research/volume-25/issue-4/2021PR004/Nonmarine-Mass-Extinctions/10.2517/2021PR004.short
https://www.lyellcollection.org/doi/full/10.1144/SP423.9
https://www.geosociety.org/documents/gsa/timescale/timescl.pdf
https://www.britannica.com/animal/placoderm
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1692181/
https://oceanservice.noaa.gov/facts/eutrophication.html
https://www.nature.com/articles/s41477-017-0097-2
https://www.eurekalert.org/news-releases/970795
Images:
https://www.gettyimages.com/detail/photo/volcanic-mountain-in-eruption-royalty-free-image/670551650?phrase=volcano&adppopup;=true
https://www.gettyimages.com/detail/photo/fossil-fish-royalty-free-image/96672769?phrase=Devonian&adppopup;=true
https://commons.wikimedia.org/wiki/File:Late_Devonian_palaeogeographic_map.jpg
https://www.gettyimages.com/detail/photo/trilobites-scavenging-on-the-seabottom-royalty-free-image/522735233?phrase=Devonian&adppopup;=true
https://commons.wikimedia.org/wiki/File:Stromatoporoid_fossil_(Columbus_Limestone,_Middle_Devonian;_Ohio,_USA)_1_(27138607267).jpg
https://www.gettyimages.com/detail/photo/fossil-trilobite-imprinted-in-the-sediment-royalty-free-image/478272718?phrase=trilobite&adppopup;=true
https://www.gettyimages.com/detail/photo/group-of-dunkleosteus-circling-royalty-free-image/531178207?phrase=Devonian&adppopup;=true
https://commons.wikimedia.org/wiki/File:Devonianscene-green.jpg
https://commons.wikimedia.org/wiki/File:Zosterophyllum_sp._-_MUSE.jpg
https://www.gettyimages.com/detail/illustration/parts-of-plant-morphology-of-abstract-tree-royalty-free-illustration/1044769846?phrase=tree%20anatomy%20trunk%20roots&adppopup;=true
https://commons.wikimedia.org/wiki/File:Seed_fern_frond.jpg
https://www.gettyimages.com/detail/photo/carboniferous-forest-royalty-free-image/468599236?phrase=devonian%20forest&adppopup;=true
https://www.gettyimages.com/detail/video/slow-motion-surface-boiling-water-stock-footage/1344403983?phrase=flowing%20water&adppopup;=true
https://www.gettyimages.com/detail/video/algal-bloom-polluted-water-green-color-in-lake-stock-footage/597926202?phrase=algae%20bloom&adppopup;=true
https://www.gettyimages.com/detail/illustration/the-eutrophication-process-royalty-free-illustration/1364257858?phrase=eutrophication&adppopup;=true
https://www.gettyimages.com/detail/illustration/lepidodendron-tree-royalty-free-illustration/1257383377?phrase=Lepidodendron&adppopup;=true
https://www.gettyimages.com/detail/photo/sigillaria-tree-like-plant-fom-the-carboniferous-royalty-free-image/1157676356?phrase=Lepidodendron&adppopup;=true
https://www.gettyimages.com/detail/photo/devonian-scaumenacia-fish-royalty-free-image/477323245?phrase=Devonian&adppopup;=true
https://www.gettyimages.com/detail/photo/collision-of-an-asteroid-with-the-earth-royalty-free-image/537697098?phrase=asteroid%20impact&adppopup;=true
https://www.gettyimages.com/detail/photo/devonian-lake-cycle-of-life-royalty-free-image/531127397?phrase=Devonian&adppopup;=true
- published: 06 Dec 2022
- views: 170158
17:03
The Complete History of the Earth: Devonian Period
Intro 0:00
The Devonian Globe 2:02
The New Reefs 3:45
Armored Sea Monsters 6:29
One Small ...
published: 01 Sep 2022
The Complete History of the Earth: Devonian Period
The Complete History of the Earth: Devonian Period
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- published: 01 Sep 2022
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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! https://www.youtube.com/watch?v=JO58VK6ezUM
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7:12
What If You Lived in the Devonian Period?
Human beings have existed for 300,000 years and have managed to live in many unstable envi...
published: 10 May 2020
What If You Lived in the Devonian Period?
What If You Lived in the Devonian Period?
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- published: 10 May 2020
- views: 5883957
Human beings have existed for 300,000 years and have managed to live in many unstable environments. We've survived ice ages, devastating pandemics and world wars. But how would we fare even further back in time? What about 400 million years ago, when deadly marine life dominated our oceans and creatures on land were practically non-existent? Let's imagine your What If time machine happened to break down right at this moment, trapping you in the Devonian Period. What would life be like? Where would you live? How long could you last?
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55:11
Could You Survive The Devonian Period? (with Hank Green!)
By the end of the Devonian Period, the land had exploded with plant life and ancient inver...
published: 01 Oct 2024
Could You Survive The Devonian Period? (with Hank Green!)
Could You Survive The Devonian Period? (with Hank Green!)
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- published: 01 Oct 2024
- views: 350692
By the end of the Devonian Period, the land had exploded with plant life and ancient invertebrates. There was also Tiktaalik - one of the first known vertebrates able and willing to move from the water to land. Our distant relative figured out how to survive in this dramatically different environment, can you?
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References:
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1:52:54
Devonian: The Little-Known Era When Armored Prehistoric Sharks Dominated the Seas! DOCUMENTARY
🌍 The Devonian period began around 419 million years ago and spanned 60 million years. It ...
published: 05 Feb 2024
Devonian: The Little-Known Era When Armored Prehistoric Sharks Dominated the Seas! DOCUMENTARY
Devonian: The Little-Known Era When Armored Prehistoric Sharks Dominated the Seas! DOCUMENTARY
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🌍 The Devonian period began around 419 million years ago and spanned 60 million years. It ended around 359 million years ago. This long Devonian period is subdivided into three sub-periods: Lower Devonian, Middle Devonian and Upper Devonian.
To be even more precise, these sub-sections have themselves been subdivided into smaller periods. Thus, in the Lower Devonian, we find the Lochkovian, then the Praguian, and the Emsian, in the Middle Devonian, the Eifelian the Givétien, finally in the Upper Devonian we find the Frasnian and the Famennian.
🔥 As a reminder, videos are published on SUNDAYS at 6:00 pm.
-------------------------
💥The Devonian:
- We're going to start our journey into the Devonian with a little tour of our planet from the sky. The map in front of you shows the importance of the ocean on our planet. It covers a large part of the planet. This was already the case in Silurian times, when the Panthalassa ocean covered a very large part of our planet. However, the layout of the continents and oceans was significantly different.
In the middle of the Panthalassa Ocean, we can see the continent Laurussia. This is a very young continent, formed in the Silurian.
The much larger Protogondwana continent can also be seen to the south of the hemisphere. The latter occupied most of the southern hemisphere until the earth's activities forced it to move. It is now slowly sliding northwards. And to the north lies Laurussia. The two inevitably collide.
This collision and the new proximity of the continents will result in a new configuration of our planet and its landmasses. These were the beginnings of the formation of Pangea, a single continent, which took place a little later, in the Carboniferous period. In addition to creating Pangea, this collision closed the Central Ocean and raised imposing Hercynian mountain ranges from the Appalachians to the Silesian Massif.
As far as geography and climate are concerned, there's another important point to know about the Devonian period. Here we have a view of the Earth at the very beginning of the Devonian. If you look at the continents and the Earth from all angles, you can see that there were no major ice caps. This means that the climate was rather mild all over the globe.
Average temperatures were around 25-30°C.
During the Devonian period, plate movements brought certain land masses closer to the South Pole. The absence of ice caps was therefore short-lived. As you can see, a few are appearing here and there near the poles. This phenomenon is accompanied by some major climatic changes, as you can imagine, bearing in mind that the position of the continents is still quite close to the poles compared with today. The continent is therefore cooling.
But it's not just the ice caps that have an impact on climate, plants also play a major role. As you'll be able to see for yourself in a few minutes, plants developed a great deal during the Devonian Period. Remember, the Silurian heralded the beginnings of their colonization. New plants could be seen along the coasts and coastlines. Everywhere else, life still seemed impossible.
By the Middle Devonian, plants were finally able to reach deeper inland. A variety of plant species appeared on the continent, along with significant radiation.
This expansion is a good thing for life on earth, of course. But it is not without consequences for the climate. Plants absorb large quantities of CO2, from which they draw their energy. As CO2 levels fall, the air also cools.
-------------------------
🎬 Today's program:
- 00:00 - Introduction
- 05:56 - The geographic space of the Devonian and the main events of the period
- 11:45 - Devonian reefs, a rich and diverse marine ecosystem
- 25:02 - Species diversifying... others in decline...
- 32:47 - Dunkleosteus, the incredible prehistoric armored shark!
- 39:45 - One of the major radiations in Devonian history
- 43:22 - Golden age of fishes
- 01:17:28 - The expansion of vegetation on earth
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25:17
The Devonian Period (That We Know Of) ft. Julian Johnson-Mortimer
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published: 17 Feb 2024
The Devonian Period (That We Know Of) ft. Julian Johnson-Mortimer
The Devonian Period (That We Know Of) ft. Julian Johnson-Mortimer
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Compare coverage and stay informed on breaking news by subscribing through my link https://ground.news/lindsaynikole to receive 30% off unlimited access through the Vantage Subscription which is about $5/month. Sale ends February 29th.
THE DEVONIAN PERIOD!!! A time of pioneers, crazy upgrades, and predators that would shiver your timbers. I'm gonna give you a nice sample platter of this period, the strange specimens that existed during it, and the disrespectful way it came to an end.
Check out Julian's animations here: @johnsonmortimer
A MASSIVE thanks to Gian for the editing!
Tiktaalik video mentioned: https://www.youtube.com/watch?v=daD37TsscvU
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4:24
DEVONIAN PERIOD. Animals size comparison and data. Paleoart
The Devonian Period (420– 358 Million years ago) is also known as the era of Fish, since t...
published: 26 May 2022
DEVONIAN PERIOD. Animals size comparison and data. Paleoart
DEVONIAN PERIOD. Animals size comparison and data. Paleoart
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The Devonian Period (420– 358 Million years ago) is also known as the era of Fish, since this was the the time these primordial vertebrates radiated into multiple clades, like the armored Placoderms, the first Sharks or the group that would give origin to all Tetrapods, the Sarcopterygii. These early tetrapods evolved lungs and took their first steps on a land that was still almost barren, until then only colonized by the earliest plants, some arthropods and giant fungi. This period ended in a massive extinction.
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FEATURED TAXA: Palaeocharinus, Erbenochile, Lunaspis, Brochoadmones, Furcacauda, Gonioclymenia, Palaeoisopus, Bothriolepis, Parameteoraspis, Acanthostega, Murrindalaspis, Panderichthys, Tartuosteus, Ichthyostega, Antarctilamna, Acutiramus, Bungatius, Cladoselache, Hyneria, Heterosteus, Titanichthys, Dunkleosteus
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8:31
Dunkleosteus: The Armoured Mega Fish That Terrorized The Devonian Sea
Was Dunkleosteus Deadlier Than Megalodon? | Head to https://squarespace.com/animalogic to ...
published: 30 Sep 2022
Dunkleosteus: The Armoured Mega Fish That Terrorized The Devonian Sea
Dunkleosteus: The Armoured Mega Fish That Terrorized The Devonian Sea
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CREDITS
Created by Dylan Dubeau
Executive Producer, Director, and Director of Photography: Dylan Dubeau
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Taking a deep look at the past and the animals that lived in it.
10:26
Asteroid Impacts, Super Volcanoes & The Devonian Extinction
#australia #warburton #devonian #devonianextinction #woodleidhg #victoria #supervolcanoes ...
published: 05 Apr 2023
Asteroid Impacts, Super Volcanoes & The Devonian Extinction
Asteroid Impacts, Super Volcanoes & The Devonian Extinction
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- published: 05 Apr 2023
- views: 116043
#australia #warburton #devonian #devonianextinction #woodleidhg #victoria #supervolcanoes #volcanism #geology #geography #asteroid #asteroidimpact #crater #impactcrater #bolide #impactevent #largestmeteorite #meteorite #meteor #comet #geoscience #disaster #earthscience #volcanoes #extinction #extinctionevent #comet #asteroids
There exists a very noteworthy link between impact events, and supervolcanoes that raged en masse in the state of Victoria, to the Devonian Extinction Event. Which was one of the worst global die offs to have ever occurred.
Victoria is located in Australia's South East. And, at this point in time, it was tectonically active in the form of subduction events, and rifting events. But there's a strange phenomenon that occurred, where the westernmost part suddenly reactivated again, and there exists a chance that the reasoning for this, was directly related to the impact events that occurred.
In this video, we take a look at the dates of the Woodleigh impact event, and the two speculated Warburton impact craters, that slammed into the middle of Australia, possibly 360 million years ago. We relate these events to the massive amount of volcanism and the related volatiles that were being pumped into the stratosphere, which worked to both block incoming sunlight, whilst also leading to volcanic winters, creating the small intermittent, and recurrent glaciation events witnessed around this time period. Along with all of this, we also link both of these impact events to the generation of two separate flood basaltic events.
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Australian Super Volcanoes: Episode 1 - Subduction Related
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The World's Largest Impact Event In South Africa
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Western Australia Impact Event - Woodleigh Crater:
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0:32
The Evolution of Ammonites: From Devonian Seas to the End of the Cretaceous
Ammonites ruled the seas for millions of years, evolving through the Devonian period to th...
published: 18 Nov 2024
The Evolution of Ammonites: From Devonian Seas to the End of the Cretaceous
The Evolution of Ammonites: From Devonian Seas to the End of the Cretaceous
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Ammonites ruled the seas for millions of years, evolving through the Devonian period to the end of the Cretaceous (around 400 to 66 million years ago). These fascinating mollusks, with their intricate spiral shells, were closely related to modern-day squid and octopuses, yet they disappeared in the mass extinction event that marked the end of the dinosaurs. This article explores the evolution of ammonites, their diverse species, and how they adapted to various marine environments over time, only to be wiped out along with so many other life forms during the cataclysmic events at the end of the Cretaceous.
5:29
It Seems like Trees Caused a Mass Extinction
When it comes to mass extinctions, you probably imagine giant volcanic eruptions or astero...
published: 06 Dec 2022
It Seems like Trees Caused a Mass Extinction
It Seems like Trees Caused a Mass Extinction
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- views: 170158
When it comes to mass extinctions, you probably imagine giant volcanic eruptions or asteroids raining fire from the sky, but sometimes these events can have some unexpected causes.
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Sources:
https://www.geosociety.org/gsatoday/archive/22/1/article/i1052-5173-22-1-4.htm
https://www.sciencedirect.com/science/article/pii/S0012825220302464
https://www.lyellcollection.org/doi/full/10.1144/SP423.10
https://bioone.org/journals/paleontological-research/volume-25/issue-4/2021PR004/Nonmarine-Mass-Extinctions/10.2517/2021PR004.short
https://www.lyellcollection.org/doi/full/10.1144/SP423.9
https://www.geosociety.org/documents/gsa/timescale/timescl.pdf
https://www.britannica.com/animal/placoderm
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1692181/
https://oceanservice.noaa.gov/facts/eutrophication.html
https://www.nature.com/articles/s41477-017-0097-2
https://www.eurekalert.org/news-releases/970795
Images:
https://www.gettyimages.com/detail/photo/volcanic-mountain-in-eruption-royalty-free-image/670551650?phrase=volcano&adppopup;=true
https://www.gettyimages.com/detail/photo/fossil-fish-royalty-free-image/96672769?phrase=Devonian&adppopup;=true
https://commons.wikimedia.org/wiki/File:Late_Devonian_palaeogeographic_map.jpg
https://www.gettyimages.com/detail/photo/trilobites-scavenging-on-the-seabottom-royalty-free-image/522735233?phrase=Devonian&adppopup;=true
https://commons.wikimedia.org/wiki/File:Stromatoporoid_fossil_(Columbus_Limestone,_Middle_Devonian;_Ohio,_USA)_1_(27138607267).jpg
https://www.gettyimages.com/detail/photo/fossil-trilobite-imprinted-in-the-sediment-royalty-free-image/478272718?phrase=trilobite&adppopup;=true
https://www.gettyimages.com/detail/photo/group-of-dunkleosteus-circling-royalty-free-image/531178207?phrase=Devonian&adppopup;=true
https://commons.wikimedia.org/wiki/File:Devonianscene-green.jpg
https://commons.wikimedia.org/wiki/File:Zosterophyllum_sp._-_MUSE.jpg
https://www.gettyimages.com/detail/illustration/parts-of-plant-morphology-of-abstract-tree-royalty-free-illustration/1044769846?phrase=tree%20anatomy%20trunk%20roots&adppopup;=true
https://commons.wikimedia.org/wiki/File:Seed_fern_frond.jpg
https://www.gettyimages.com/detail/photo/carboniferous-forest-royalty-free-image/468599236?phrase=devonian%20forest&adppopup;=true
https://www.gettyimages.com/detail/video/slow-motion-surface-boiling-water-stock-footage/1344403983?phrase=flowing%20water&adppopup;=true
https://www.gettyimages.com/detail/video/algal-bloom-polluted-water-green-color-in-lake-stock-footage/597926202?phrase=algae%20bloom&adppopup;=true
https://www.gettyimages.com/detail/illustration/the-eutrophication-process-royalty-free-illustration/1364257858?phrase=eutrophication&adppopup;=true
https://www.gettyimages.com/detail/illustration/lepidodendron-tree-royalty-free-illustration/1257383377?phrase=Lepidodendron&adppopup;=true
https://www.gettyimages.com/detail/photo/sigillaria-tree-like-plant-fom-the-carboniferous-royalty-free-image/1157676356?phrase=Lepidodendron&adppopup;=true
https://www.gettyimages.com/detail/photo/devonian-scaumenacia-fish-royalty-free-image/477323245?phrase=Devonian&adppopup;=true
https://www.gettyimages.com/detail/photo/collision-of-an-asteroid-with-the-earth-royalty-free-image/537697098?phrase=asteroid%20impact&adppopup;=true
https://www.gettyimages.com/detail/photo/devonian-lake-cycle-of-life-royalty-free-image/531127397?phrase=Devonian&adppopup;=true
Devonian
The Devonian is a geologic period and system of the Paleozoic Era spanning from the end of the Silurian Period, about 419.2 Mya (million years ago), to the beginning of the Carboniferous Period, about 358.9. It is named after Devon, England, where rocks from this period were first studied. The Devonian period experienced the first significant adaptive radiation of terrestrial life. Free-sporing vascular plants began to spread across dry land, forming extensive forests which covered the continents. By the middle of the Devonian, several groups of plants had evolved leaves and true roots, and by the end of the period the first seed-bearing plants appeared. Various terrestrial arthropods also became well-established. Fish reached substantial diversity during this time, leading the Devonian to often be dubbed the "Age of Fish". The first ray-finned and lobe-finned bony fish appeared, while the placoderms began dominating almost every known aquatic environment.
The ancestors of all tetrapods began adapting to walking on land, their strong pectoral and pelvic fins gradually evolving into legs. In the oceans, primitive sharks became more numerous than in the Silurian and the late Ordovician. The first ammonite mollusks appeared. Trilobites, the mollusk-like brachiopods and the great coral reefs, were still common. The Late Devonian extinction which started about 375 million years ago severely affected marine life, killing off all placoderms, and all trilobites, save for a few species of the order Proetida.
This page contains text from Wikipedia, the Free Encyclopedia - https://wn.com/Devonian
The Complete History of the Earth: Devonian Period...
What If You Lived in the Devonian Period?...
Could You Survive The Devonian Period? (with Hank ...
Devonian: The Little-Known Era When Armored Prehis...
The Devonian Period (That We Know Of) ft. Julian J...
DEVONIAN PERIOD. Animals size comparison and data....
Dunkleosteus: The Armoured Mega Fish That Terroriz...
Asteroid Impacts, Super Volcanoes & The Devonian E...
The Evolution of Ammonites: From Devonian Seas to ...
It Seems like Trees Caused a Mass Extinction...
Latest News for: late devonian
Edit
SXG Discovers 186 Metres @ 8.8 g/t gold (Uncut) Traversing 8 High-Grade Veins in Down ...
Edit
SXG Drills 5.5 m @ 25.4 g/t Gold in 200 m Down-Dip Extension at Golden Dyke
Sunday Creek is an epizonal gold-antimony deposit formed in the late Devonian (like Fosterville, Costerfield and Redcastle), 60 million years later than mesozonal gold systems formed in Victoria (for example Ballarat and Bendigo).
Edit
SXG's Close Spaced Drilling at Rising Sun Confirms Continuity Includes 1.3 m @ 52.6 g/t ...
Critical Metal Epizonal Gold-Antimony Deposits Sunday Creek is an epizonal gold-antimony deposit formed in the late Devonian (like Fosterville, Costerfield and Redcastle), 60 million years later than ...
Edit
SXG's Christina 260 Metre Strike Extension Confirmed as Fourth High-Grade Zone at Sunday Creek Project
Critical Metal Epizonal Gold-Antimony Deposits Sunday Creek is an epizonal gold-antimony deposit formed in the late Devonian (like Fosterville, Costerfield and Redcastle), 60 million years later than ...
Edit
SXG Confirms Third High-Grade Gold-Antimony Mineralised Zone at Sunday Creek Project
Critical Metal Epizonal Gold-Antimony Deposits Sunday Creek is an epizonal gold-antimony deposit formed in the late Devonian (like Fosterville, Costerfield and Redcastle), 60 million years later than ...
Edit
360 million-year-old winged seed found, sheds light on wind dispersal in plants
Edit
One of the earliest examples of a winged seed found in a mine in China
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SXG Commences Regional Geophysical Survey Over 6 km Strike
Critical Metal Epizonal Gold-Antimony Deposits Sunday Creek is an epizonal gold-antimony deposit formed in the late Devonian (like Fosterville, Costerfield and Redcastle), 60 million years later than ...
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Ancient reef-builders dodged extinction -- at least temporarily
Scientists discovered that ancient reef-building stromatoporoids ...
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SXG Extends High-Grade Mineralisation 100 Metres Down-Dip at Apollo Confirms VRIFY’s AI-Powered Exploration Targets
Critical Metal Epizonal Gold-Antimony Deposits Sunday Creek is an epizonal gold-antimony deposit formed in the late Devonian (like Fosterville, Costerfield and Redcastle), 60 million years later than ...
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Exceptional new fish fossil sparks a rethink of how Earth's geology drives evolution
... from the Devonian Period (359 million to 419 million years ago) ... A Late Devonian coelacanth reconfigures actinistian phylogeny, disparity, and evolutionary dynamics', Nature Communications (2024).
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New fossil fish species scales up evidence of Earth's evolutionary march
The study confirms the Late Devonian Gogo Formation as one of the richest and best-preserved assemblages of fossil fishes and invertebrates on Earth ... A Late Devonian coelacanth reconfigures actinistian ...
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SXG Confirms New 135-Metre-Wide Gold-Antimony Discovery Below the Golden Dyke Historic Mine
Critical Metal Epizonal Gold-Antimony Deposits Sunday Creek is an epizonal gold-antimony deposit formed in the late Devonian (like Fosterville, Costerfield and Redcastle), 60 million years later than ...
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SXG Drills 470 Metre Downdip Extension Below Historic Golden Dyke Mine
Critical Metal Epizonal Gold-Antimony Deposits Sunday Creek is an epizonal gold-antimony deposit formed in the late Devonian (like Fosterville, Costerfield and Redcastle), 60 million years later than ...
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