Today's oceans are full of fish with fins that couldn't evolve into limbs like ours. So, who are our ancestors and where did they go? If you're a fan of MinuteEarth but don't yet support us on Patreon, please check out our Patreon page: https://www.patreon.com/minuteearth A BIG thank you to our Patreon supporters, especially to: - Today I Found Out - Maarten Bremer - Jeff Straathof - Mark Roth - Tony Fadell - Muhammad Shifaz - 靛蓝字幕组 - Viraansh Bhanushali - Duhilio Patiño - Alberto Bortoni - Valentin - Nicholas Buckendorf - Antoine Coeur ___________________________________________ Want to learn more about the topic in this week’s video? Here are some keywords/phrases to get your googling started: Lobe-finned Fishes, Ray-Finned fishes, Panderichthys, Late Devonian _________________________________________ Credits (and Twitter handles): Script Writer: Emily Elert (@eelert) Script Editor: Peter Reich Video Illustrator: Omkar Bhagat (@TheCuriousEnggr) Video Director: Emily Elert (@eelert) With Contributions From: Alex Reich (@alexhreich), Ever Salazar (@eversalazar) and Henry Reich (@minutephysics) Music by: Nathaniel Schroeder: http://www.soundcloud.com/drschroeder _________________________________________ Like our videos? Subscribe to MinuteEarth on YouTube: http://goo.gl/EpIDGd And for exclusive early access to all our videos, sign up with Vessel: https://goo.gl/hgD1iJ Already subbed? Help us keep making MinuteEarth by supporting us on Patreon: https://goo.gl/ZVgLQZ Also, say hello on: Facebook: http://goo.gl/FpAvo6 Twitter: http://goo.gl/Y1aWVC And find us on itunes: http://podcast.minuteearth.com/ ________________________ References: Clack, Jennifer. (2016). Personal Communication. Merck, John. GEOL 431 Vertebrate Paleobiology Lecture Notes, University of Maryland. Retrieved from https://www.geol.umd.edu/~jmerck/geol431/lectures/08osteichthyes.html McGhee, G. R. (2013). When the invasion of land failed: The legacy of the Devonian extinctions. Columbia University Press. Sallan, L. C., & Coates, M. I. (2010). End-Devonian extinction and a bottleneck in the early evolution of modern jawed vertebrates. Proceedings of the National Academy of Sciences, 107(22), 10131-10135. Retrieved from http://www.pnas.org/content/107/22/10131.full