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Did Raptorex Really Exist?

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 Archeology / Paleontology   |   Biology   |   Science
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Paleontologists have been studying and drawing totally different conclusions about the fossil LH PV18 for almost a decade. Is it just one of many specimens of a theropod called Tarbosaurus bataar or is it an entirely different theropod named Raptorex kriegsteini? In order to answer this question, you have to understand the many ways in which we can--and can’t--determine the age of a fossil.

Thanks to Gregory S. Paul for allowing us to use his illustrations in this video. Check out his website here: http://gspauldino.com/

And thanks as always to Nobu Tamura for allowing us to use his wonderful paleoart: http://spinops.blogspot.com/

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, Aldo Espinosa Zúñiga, Anthony Callaghan, Marcus Lejon, Anel Salas, Robert Arévalo, Robert Hill, Kelby Reid, Todd Dittman, Betsy Radley, Svetlana Pylaeva, Colin Sylvester, Philip Slingerland, John Vanek, Jose Garcia, Noah offitzer, Eric Vonk, Tony Wamsley, Henrik Peteri, Jonathan Wright, Wilco Verweij, Jon Monteiro, James Bording, Brad Nicholls, Miles Chaston, Michael McClellan, Elysha Nygård, 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, Joshua Mitchell, Johnny Li, Jacob Gerke, Brandon Burke, Alex Yan

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References:
https://www.radiocarbon.com/about-carbon-dating.htm
https://www.nature.com/articles/srep20252
https://www.researchgate.net/publication/288175395_Spore-pollen_flora_as_the_indicator_of_paleoclimate_condition_in_the_Yixian_Formation_western_Liaoning_Province
https://onlinelibrary.wiley.com/doi/abs/10.1111/j.1502-3931.2011.00284.x
https://link.springer.com/article/10.1360/02tb9031
https://www.sciencedirect.com/science/article/pii/S0195667105000662
https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0021376
http://science.sciencemag.org/content/326/5951/418
https://www.jstor.org/stable/3515101

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