How the Turtle Got Its Shell
PBS Member Stations rely on viewers like you. To support your local station, go to http://to.pbs.org/DonateEons ↓ More info below ↓ Where did turtles come from? And how did they get their shells? The answers to these questions would eventually cause scientists to rethink the entire history of reptile evolution. Thanks as always to Nobumichi Tamura for allowing us to use his wonderful paleoart : http://spinops.blogspot.com/ Additionally, a big thank you to Tyler Lyson, Luke Norton, Andrey Atuchin, and Gaberiel Bever for their images of Eunotosaurus. Produced for PBS Digital Studios. 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://books.google.com/books?id=foxPAQAAMAAJ&pg=PA538 https://books.google.com/books?id=AR3BDA3QJNUC&pg=PA8 https://www.researchgate.net/publication/227840230_Development_of_the_turtle_carapace_Implications_for_the_evolution_of_a_novel_bauplan http://www.mrfdigs.com/publications/2009_lyson-gilbert-loggerheads.pdf http://www.jstor.org/stable/221677 https://www.nature.com/articles/nature07533 https://www.nature.com/articles/456450a http://rspb.royalsocietypublishing.org/content/276/1656/507 https://www.newscientist.com/article/dn14892-fossil-reveals-how-the-turtle-got-its-shell/ http://phenomena.nationalgeographic.com/2009/07/09/how-the-turtle-got-its-shell-through-skeletal-shifts-and-muscular-origami/ http://onlinelibrary.wiley.com/doi/10.1111/jeb.12268/abstract https://www.nature.com/articles/nature14472 https://www.npr.org/sections/thetwo-way/2015/06/24/416657576/how-the-turtle-got-its-shell http://www.cell.com/current-biology/fulltext/S0960-9822(16)30478-X https://www.theatlantic.com/science/archive/2016/07/the-turtle-shell-first-evolved-for-digging-not-defence/491087/ https://academic.oup.com/jmammal/article-abstract/51/2/288/832941?redirectedFrom=fulltext http://www.journals.uchicago.edu/doi/abs/10.1086/395600 https://books.google.com/books?id=8rXIDQAAQBAJ&pg=PA43 https://www.sciencedirect.com/science/article/pii/S0024408297900807 https://www.jstor.org/stable/3883561
