When Sharks Swam the Great Plains

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  • Published on:  Tuesday, December 4, 2018
  • Check out Origin of Everything: https://www.gitclip.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
  • Source: https://youtu.be/xvAvN5xn5oY

Comment

  • The Adversary: Day Star

    The Adversary: Day Star

     yesterday

    I love her.

  • Jon Cocks

    Jon Cocks

     yesterday

    Someone pulled the plug

  • Loooch

    Loooch

     6 days ago

    Always when I see videos like this I can't help but always thinking how clean, unpolluted and lush everything must of been back then. If that ocean existed today surely we would ruin it. That is a FACT.

  • Ghiaccio Frame

    Ghiaccio Frame

     7 days ago

    Came as soon as I heard, being from the prairies myself and where this water used to be.

  • Anna Laferry

    Anna Laferry

     7 days ago

    As a lifelong Oklahoma native, I've found plenty of fossils in my own backyard! Those little spiral guys are everywhere here.

  • Alexander Kirwin

    Alexander Kirwin

     7 days ago

    eats jeff bezos and ruptures both lungs

  • Fireshark

    Fireshark

     7 days ago +1

    i love your videos, they are actually interesting

    i like the picture at 1:09 2 squalicorax’s and a cretoxyrhina circling a claosauros i think

  • Aella Lee

    Aella Lee

     14 days ago

    I heard "teeth-like kitchen knives" and had to stop and re-read the subtitles as "teeth like kitchen knives" similar to. I was wondering who was smoking what the first time. Sharks made knives?

  • AshenShards1 _

    AshenShards1 _

     14 days ago

    I have a total crush on this chick. So smart.

  • Officer Pulaski

    Officer Pulaski

     14 days ago

    "where they swam with many predators" Well, those sharks should all take a seat in front of Chris Hansen.

  • cleo

    cleo

     14 days ago

    1000th comment

  • Alex Lemus

    Alex Lemus

     14 days ago

    A million ways to die in the west before it was the west

  • Danielle Groves

    Danielle Groves

     21 days ago

    Late comment sorry: I grew up in northern Indiana and through most of it's history my state was a coral reef. I dreamed of being a archaeologist and played in the local rock piles (that all farms seem to have). I found a ton of rocks with bits of coral and shell imprinted or who knows what onto the rocks. But me being a dumb kid thought nothing of it and kept dreaming of big fossil finds.
    These rocks are very common I didn't find anything special. I just want to point out that sometimes you just need to sit down and think about what's around you and the history it holds.

  • Caroline Gunter

    Caroline Gunter

     21 days ago +2

    Who’s here from 2019
    No just me okey dokey

  • Iced Tea

    Iced Tea

     21 days ago

    9:45 they found shark teeth in pterodactyls. What. Can you imagine being that guy. "Um yes what we have here is a flying lizard and um... well... it's got giant shark teeth lodged in its bones."

  • Nacho

    Nacho

     21 days ago

    Live in Kansas. My sister found a small ammonite shell in our back yard when we were small.

  • Rex Colubra

    Rex Colubra

     21 days ago

    During a mass extinction event, a ton of animals die at once, but not all. For those still alive, it’s an endless banquet, all the food you can eat. Perhaps many of these animals found with stomach contents have fed on whatever they found dead after a die off, and then very shortly after, succumbed themselves. Which would explain why there’s so many “fish swallowing fish” fossils. This would make understanding their natural diet under normal conditions very difficult and confusing.

  • Copperkit

    Copperkit

     21 days ago

    One summer I attended a paleontology camp down by Sternberg. It was amazing. I learned a bunch, saw the behind the scenes of the museum and a lot more!

  • James Barretf

    James Barretf

     21 days ago

    57th & State Ave KCKs in a excavated area l would find small 3 pointed fossilized sharks' tEEth.

  • Jonas

    Jonas

     1 months ago

    Here in Kentucky if you go anywhere in the state you can find whole rock paths full of fossils of marine fossils