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b'The history of evolution has seen many land animals move to the sea, but few have done it with such success and specialization as ichthyosaurs. These Mesozoic marine reptiles were the first group of tetrapods to truly dominate the marine realm, and they evolved some of the most extreme adaptations \\u2013 and largest bodies \\u2013 of any ocean-dwelling tetrapods. This episode, we discuss how they got started, what they did, where they went, and why they\\u2019re so incredibly famous.\\nIn the news: giant crocs, giant rhinos, young tyrannosaurs, and dwarf elephants.\\nTime markers:Intro & Announcements: 00:00:00News: 00:04:00Main discussion, Part 1: 00:32:00Main discussion, Part 2: 01:15:00Patron question: 01:59:30\\nCheck out our blog for bonus info and pictures:http://commondescentpodcast.wordpress.com/\\nFind merch at the Common Descent Store! http://zazzle.com/common_descent\\nFollow and Support us on: Patreon: https://www.patreon.com/commondescentpodcast Twitter: https://twitter.com/CommonDescentPCFacebook: https://www.facebook.com/commondescentpodcastInstagram: @commondescentpodcast YouTube: https://www.youtube.com/channel/UCePRXHEnZmTGum2r1l2mduwPodBean: https://commondescentpodcast.podbean.com/ iTunes: https://itunes.apple.com/us/podcast/the-common-descent-podcast/id1207586509?mt=2\\nThe Intro and Outro music is \\u201cOn the Origin of Species\\u201d by Protodome. More music like this at http://ocremix.org.\\nMusical Interludes are "Professor Umlaut" by Kevin MacLeod (incompetech.com). Licensed under Creative Commons: By Attribution 3.0http://creativecommons.org/licenses/by/3.0/'