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Boas and pythons include some of the most famous snake species on Earth, renowned for their incredible tropical diversity, their often beautiful scale patterns, and their often impressive size. This episode, we discuss what sets these two lineages apart from other snakes \u2013 and each other \u2013 and we explore the evolutionary path recorded in their fossil record.\nIn the news: giant early tetrapods, digging dinosaurs, coastal croc-cousins, and striking snakes.\nTime markers:Intro & Announcements: 00:00:00News: 00:08:15Main discussion, Part 1: 00:37:40Main discussion, Part 2: 01:30:10Patron question: 02:16:10\nCheck out our website for this episode\u2019s blog post and more: http://commondescentpodcast.com/\nJoin us on Patreon to support the podcast and enjoy bonus content: https://www.patreon.com/commondescentpodcast\nGot a topic you want to hear about? Submit your episode request here: https://commondescentpodcast.com/request-a-topic/\nLots more ways to connect with us: https://linktr.ee/common_descent\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 3.0 http://creativecommons.org/licenses/by/3.0