Did Raptorex Really Exist?

Learn more about CuriosityStream at http://curiositystream.com/eons PBS Member Stations rely on viewers like you. To support your local station, go to http://to.pbs.org/DonateEons 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 for PBS Digital Studios. 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 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/ 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