When the Synapsids Struck Back

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  • Published on: 19 June 2019
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    Synapsids were the world’s first-ever terrestrial megafauna but the vast majority of these giants were doomed to extinction. However some lived on, keeping a low profile among the dinosaurs. And now our world is the way it is because of the time when the synapsids struck back.

    Thanks to Ceri Thomas for the excellent Synapsid illustration (including Bulbasaurus!)! Check out more of Ceri's paleoart at http://alphynix.tumblr.com and http://nixillustration.com

    And thanks as always to Studio 252mya for their wonderful illustrations. You can find more of their work here: https://252mya.com/

    Produced in collaboration with PBS Digital Studios: http://youtube.com/pbsdigitalstudios

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    Katie Fichtner, Anthony Callaghan, Zachary Spencer, Stefan Weber, Ilya Murashov, Charles Kahle, Robert Amling, Po Foon Kwong, Larry Wilson, Merri Snaidman, Renzo Caimi Ordenes, John Vanek, Neil H. Gray, Esmeralda Rupp-Spangle, Gregory Donovan, الخليفي سلطان, Gabriel Cortez, Marcus Lejon, Robert Arévalo, Robert Hill, Todd Dittman, Betsy Radley, PS, Philip Slingerland, Jose Garcia, Eric Vonk, Tony Wamsley, Henrik Peteri, Jonathan Wright, Jon Monteiro, James Bording, Brad Nicholls, Miles Chaston, Michael McClellan, Jeff Graham, Maria Humphrey, Nathan Paskett, Connor Jensen, Daisuke Goto, Hubert Rady, Gregory Kintz, Tyson Cleary, Chandler Bass, Maly Lor, Joao Ascensao, Tsee Lee, Sarah Fritts, Alex Yan

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    References: https://docs.google.com/document/d/1YbTns-AcONtRWN9pdOZMfiqYDP5-3Hb-zt1gtDMV1Fw/edit?usp=sharing
  • Runtime : 10:55
  • dinosaurs dinos paleo paleontology scishow eons pbs pbs digital studios hank green john green complexly fossils natural history Thrinadoxon Permian Great Dying synapsid stem mammals megafauna Age of Reptiles Pangea Sauropsids temporal fenestra therapsids cynodonts burrowers mammals Carnivores herbivores dimetrodon

COMMENTS: 40

  • Il Carnefice
    Il Carnefice   1 days ago

    Some of these guys remind me of Lystrosaurus

  • Richard Hunt
    Richard Hunt   2 days ago

    Ok , burrowing ?Is our primordial urge to dig existent in our quest for maleable metals in the Earths surface ?

  • LucasWerewolf
    LucasWerewolf   2 days ago

    4:54 they can be used as an air condition if you don't have the electronics or want to go for a more less technological play style.

  • hzhang1228
    hzhang1228   3 days ago

    Some tiny birb is out there, biding its time.

  • SlyPearTree
    SlyPearTree   3 days ago

    I've lived in a burrow for about 40 years: a basement apartment now and a basement bedroom in the last years I lived with my parents.

  • Richard Deese
    Richard Deese   4 days ago

    Thanks! Teenage Mutant Ninja Synapsids survived by Splintering off. You'r welcome... ;) 𝓡𝓲𝓴𝓴𝓲 𝓣𝓲𝓴𝓴𝓲.

  • Anu Sha
    Anu Sha   1 weeks ago

    I think the dominant force of life is the Kingdom Plantae but in terms of Kingdom Anamalia i can see mammals as being a dominant force

  • REV. JEFFERY T. CARR Ph.D. on't

    how do you come up with the age of the rocks? what tells you that they are 467 million years old? if the earth is 4.6 billion years old, then wouldnt the rocks be 4.6 billion years old?

  • Zoe Smeele
    Zoe Smeele   1 weeks ago

    Changes in oxygen levels on earth during the Permian and Triassic periods are extremely important for understanding the evolutionary pressure on these groups. I think stressing the importance of fluctuating oxygen and carbon levels will add another dimension of understanding how animals evolved. For further information on this topic read: "A New History of Life" by: Peter Ward and Joe Kirschvink (It's a great read!) Other than that I love your videos! (more ones on the evolution of plants would be super though).

  • Dennis
    Dennis   1 weeks ago

    Good vid. Can you guys do a video or two on speciation? That would be cool if you did. I get that it has something to do with genetic drift and individuals don't speciate but populations do... but there has to be a first individual of the new species still right? Or is really just the collective that speciates (that hurt to say.)

  • Bex Yaw
    Bex Yaw   1 weeks ago

    I had to get my turbinates removed... maybe that’s why I suck at breathing

  • Fishslap 33
    Fishslap 33   2 weeks ago

    I would burrow more, but the neighbors complain.

  • Tony Ho
    Tony Ho   2 weeks ago

    i burrow in my backyard

  • Dutchie
    Dutchie   2 weeks ago

    The thrinaxodon burrow looks like the Disney symbol...Disney owns the human race confirmed

  • Kfi4r Graffiti
    Kfi4r Graffiti   3 weeks ago

    This isnt petty: you said our colsest synapsid relatives are cynodonts 11 seconds after saying we are synapsids. Wouldnt any mammal be a synapsid and so a closer synapsid relative to us than cynodonts? Or are we also all cynodonts and thats a group within synapsids? Never grasped how clades work

  • Densetsu004
    Densetsu004   3 weeks ago

    I love them. They are all my sons now.

  • Shion Kreth
    Shion Kreth   3 weeks ago

    Synapsids: Look at all the neat things we can do - step aside reptiles!Dinosaurs: lol, get lost noobs.Synapsids, 200 million years later: Alright guys, they're all gone, I think it's safe..

  • Cynnx7
    Cynnx7   3 weeks ago

    Much respekt to Synapsids for keeping such a low profile for millions of years, so that we can learn and watch videos about them on Youtube a quarter of a billion years late.

  • Marios Doumou
    Marios Doumou   4 weeks ago

    6:20Sorry but that's not accurate."Humans are the only mammal that cannot breathe and swallow at the same time, and we are the only species that can choke on its own food. The reason? The lowering of the voice box in our throats (during infancy) enables us to create the enormous range of sounds used in producing language; but this lowering of the voice box comes at a big cost in adulthood. " Source: http://newsdesk.si.edu/factsheets/did-you-know-human-origins-facts

  • Charli Star
    Charli Star   4 weeks ago

    The Bulbasaurus, is one of the cutest ancient species I have come across..... however it’s name, really made my day 🥰💗😊

  • 501 amiga
    501 amiga   1 months ago

    weren't there some amphibians that looked abit like reptile/mammal?

  • Jason Moore
    Jason Moore   1 months ago

    When you can’t see her when she’s speaking, her voice kind of sounds like the watchMojo lady.

  • Ben the Ignorant
    Ben the Ignorant   1 months ago

    0:53 Strange resemblance between them and Pokemon cartoons.

  • Bruce Clark
    Bruce Clark   1 months ago

    Why so many mass extinctions before mammals displaced dinos?

  • str8clay
    str8clay   1 months ago

    TETRApod? I think someone missed the opportunity to name it quadpod :)

  • Charlie Garrison
    Charlie Garrison   1 months ago

    Digging for utilities is like burrowing sometimes, especially when the marks are in the wrong spot lol

  • Happy Boi
    Happy Boi   1 months ago

    The smaller your Species is…The higher chance your Species survives So the Midgets have a higher chance of surviving Oh no