When Sharks Swam the Great Plains

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  • Published on: 04 December 2018
  • Check out Origin of Everything: https://www.youtube.com/channel/UCiB8h9jD2Mlxx96ZFnGDSJw

    If you’ve ever been to, or lived in, or even flown over the central swath of North America, then you’ve seen the remnants of what was a uniquely fascinating environment. Scientists call it the Western Interior Seaway, and at its greatest extent, it ran from the Caribbean Sea to the Canadian Arctic.

    Thanks to Dmitry Bogdanov, Nobu Tamura, C.R. Scotese, NASA and the many others listed throughout the video for making their images available to use.

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

    Super special thanks to the following Patreon patrons for helping make Eons possible:

    Katie Fichtner, Anthony Callaghan, Neil H. Gray, Marilyn Wolmart, Esmeralda Rupp-Spangle, Gregory Donovan, Ehit Dinesh Agarwal, سلطان الخليفي, Gabriel Cortez, Marcus Lejon, Anel Salas, Robert Arévalo, Robert Hill, Kelby Reid, Todd Dittman, Betsy Radley, PS, Colin Sylvester, Philip Slingerland, John Vanek, 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, Sapjes, Daisuke Goto, Hubert Rady, Yuntao Zhou, Gregory Kintz, Tyson Cleary, Chandler Bass, Maly Lor, Joao Ascensao, Tsee Lee, Sarah Fritts, Ruben Winter, Ron Harvey Jr, Jacob Gerke, Alex Yan

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    References:
    Oceans of Kansas: A Natural History of the Western Interior Seaway (Second Edition) by Michael J. Everhart.
    https://www.tandfonline.com/doi/abs/10.1080/02724634.2014.838573?journalCode=ujvp20#.U8BQ-61OURY
    https://www.researchgate.net/publication/259517413_Cretaceous_Eustasy_Revisited
    https://www.researchgate.net/profile/Joshua_Slattery/publication/280641436_EARLY_CRETACEOUS_TO_PALEOCENE_PALEOGEOGRAPHY_OF_THE_WESTERN_INTERIOR_SEAWAY_THE_INTERACTION_OF_EUSTASY_AND_TECTONISM/links/55c0927208aed621de13c50d/EARLY-CRETACEOUS-TO-PALEOCENE-PALEOGEOGRAPHY-OF-THE-WESTERN-INTERIOR-SEAWAY-THE-INTERACTION-OF-EUSTASY-AND-TECTONISM.pdf
    https://www.researchgate.net/publication/321632109_The_Late_Cretaceous_Western_Interior_Seaway_as_a_model_for_oxygenation_change_in_epicontinental_restricted_basins
    https://www.tandfonline.com/doi/abs/10.1080/02724634.2011.601714
    https://www.jstor.org/stable/1306568
    https://www.sciencedirect.com/science/article/pii/003101829090110S
    https://pubs.er.usgs.gov/publication/pp1561
    http://rspb.royalsocietypublishing.org/content/278/1706/681.short
    https://link.springer.com/article/10.1007%2FBF02990187
    https://pubs.geoscienceworld.org/gsa/geology/article-abstract/44/11/903/195080/temperature-and-salinity-of-the-late-cretaceous?redirectedFrom=fulltext
    https://www.rushcounty.org/PostRockMuseum/PostRockMuseum2.htm
  • Runtime : 12:41
  • dinosaurs dinos paleo paleontology scishow eons pbs pbs digital studios hank green john green complexly fossils natural history North America Western Interior Seaway sharks ancient sea predators plesiosaurs mosasaurs reptiles Great Plains carnivores Farrallon plate Cretaceous Jurassic Appalachia Laramidia Clams Xiphactinus kansas limestone Clidastes Tylosaurus Styxosaurus toothy fish niche partitioning

COMMENTS: 40

  • Jake Currier
    Jake Currier   4 days ago

    I went to college in Hays, KS and have seen the fossil shown, fish within a fish, very cool to see this featured in an educational video.

  • JoJo Loves Limes
    JoJo Loves Limes   4 days ago

    It shows Michigan and its lakes are intact. Any way to see how they form?

  • Stanley Osburn
    Stanley Osburn   1 weeks ago

    I came across a airra with fossilized animals in the donkey hills in Idaho one rock has the rib cage of a large animal of some kind ,the ribcage is 6ft long

  • B Fowl
    B Fowl   1 weeks ago

    Now I wanna build a seashell castle

  • Dennis Weber
    Dennis Weber   1 weeks ago

    can the western interior seaway come back w/ global warming?

  • Maggot
    Maggot   2 weeks ago

    Why does no one ever mention the third large landmass up north?

  • Kevin Lalonde
    Kevin Lalonde   2 weeks ago

    Wow crazy that the great lakes were around back then

  • Login Yoass
    Login Yoass   3 weeks ago

    I've found tube like fossils of plants and some shells

  • Gloria McClamma
    Gloria McClamma   1 months ago

    I want to know how Andrewsarchus evolved into sheep and goats, please!

  • Steve Okay
    Steve Okay   1 months ago

    I'm totally going to recommend the book "The Oceans of Kansas" , by Michael Everhart, curator at the Sternberg Museum as a great book followup to this video.

  • jake saenz
    jake saenz   1 months ago

    i live in texas and i find seashells in my backyard

  • DMB fan
    DMB fan   1 months ago

    Minnesota has a state park that you can dig for fossils, found a shark tooth there.

  • Veggieboy Ultimate
    Veggieboy Ultimate   1 months ago

    Niche partitioning could be seen in YouTube, trying to make videos that does not have same content or else your channel will be deleted. Quite a similarity here huh?

  • Gloria McClamma
    Gloria McClamma   1 months ago

    I want to know how Andrewsarchus evolved into sheep and goats.

  • Elise V.
    Elise V.   1 months ago

    her voice is triggering my flight or fight response

  • Brett
    Brett   1 months ago

    I just want to say I love this channel. There's so much incredible content that can help me learn about things in a fun and easy way for completely free. Thank you so much for making it and helping me understand how truly bizarre and wonderfully massive our planet and its history is.

  • Eric Dufrane
    Eric Dufrane   2 months ago

    Woulda been nice to see more actual fossils n not just artists' rendering

  • rejvaik
    rejvaik   2 months ago

    The narrator is very attractive

  • FuzzyWuzzy98
    FuzzyWuzzy98   2 months ago

    If all these massive carnivores could co-exist for millions of years then surely humanity can too... Right?

  • Julie Mercer
    Julie Mercer   2 months ago

    Hi from Hays, KS!!!! The fish within a fish is really cool to see at the Sternberg as well as many other specimens. They even have giant animatronic dinosaurs.

  • Valentin S.
    Valentin S.   2 months ago

    What wrong with your background music??

  • MarloSoBalJr
    MarloSoBalJr   2 months ago

    Imagine the farmers of today with that amazing waterfront

  • lemmingscanfly5
    lemmingscanfly5   2 months ago

    What if there were tons of soft bodied prey in the seaway that didn’t fossilize.

  • Lightning McDeutschland

    I live in da prairies :3 lol it would be terrifying if there were sharks swimming around over here

  • sierra 117
    sierra 117   2 months ago

    In many parts of the Wasatch mountains, you can find sea shells high in the mountains. Quite amazing.

  • Preston Miller
    Preston Miller   2 months ago

    5:08 What is the plesiosaur eating? Looks like a penguin with the worlds weirdest balloon feet.

  • ninerrider5
    ninerrider5   2 months ago

    HA! Take that you stupid Christians................

  • ham
    ham   2 months ago

    I live in CO rn and this makes me want to dig in the ground and find giant marine animals

  • Dally H.
    Dally H.   2 months ago

    One day I will know of this elusive "Steve" character!

  • Tom Kast
    Tom Kast   2 months ago

    What I would like to learn about? It is what I would like for you to learn about, it is to answer the question about the origin of life. I have seen your programs, very, very, good. Thank you so much. But as you see, you get no farther than the prokaryotes. And the viruses origin? Same deal, three or four theories without any commitment as to the truth of lifes origin. So I would suggest that life has always existed in the universe (hypothesis). Next, how about hurling a rock, heated to falling-asteroid-temperature with some heat resistant prokaryotes or similar inside the rock and please see if the prokaryotes live. Other similar experiments would be great. And you history of organelles was really good. But I need commitment from you on real answers to these harder questions. Maybe just take a position and go for it!

  • Justin Sander
    Justin Sander   2 months ago

    South East Missouri has an abundance of sea fossils. So it extended at least to there at some point.

  • Cory Branch
    Cory Branch   2 months ago

    So European explorers were 68 million years late to sail the Northwest Passage?