Episode 85 – The Ordovician Mass Extinction

We’ve discussed mass extinctions quite a bit on this podcast, and indeed we’ve devoted episode to four out of the famous “Big Five” that shaped life on Earth. This episode, we’re completing the set with the Ordovician mass extinction, the earliest of the five. As usual, we’ll explore what happened, who it happened to, why it happened, and how it left its mark on life on Earth.

In the news: ocean crocs, early archosaurs, ancient humans, and post-extinction lakes.

Time markers:
Intro & Announcements: 00:00:00
News: 00:05:00
Main discussion, Part 1: 00:30:30
Main discussion, Part 2: 01:01:00
Patron question: 01:46:00

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The Intro and Outro music is “On the Origin of Species” by Protodome.
More music like this at http://ocremix.org.

Musical Interludes are "Professor Umlaut" by Kevin MacLeod (incompetech.com). Licensed under Creative Commons: By Attribution 3.0
http://creativecommons.org/licenses/by/3.0/