What was Early Paleozoic Life like? This video goes through all major life events and organisms present during the Cambrian and Ordovician periods of the Early Paleozoic Era.

References: Earth System History: https://amzn.to/3v1Iy0G

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Non-textbook books I recommend:
Oxygen by D. Canfield: https://amzn.to/3gffbCL
Brief history of Earth by A. Knoll: https://amzn.to/3w3hC1I
Life on young planet by A. Knoll: https://amzn.to/2RBMpny
Some assembly required by N. Shubin: https://amzn.to/3w1Ezm2
Your inner fish by N. Shubin: https://amzn.to/3cpw3Wb
Oxygen by N. Lane: https://amzn.to/3z4FgwZ
Alien Oceans by K. Hand: https://amzn.to/3clMx1l
Life's Engines: https://amzn.to/3w1Nhke

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0:00 Timeline & Summary
1:10 Cambrian Burrowers
2:01 3 Cambrian Life Intervals
3:39 Tommotian Fauna
4:44 Large Skeletonized Fauna
7:41 Soft Bodied Organisms
8:39 Huge Cambrian Predators
9:52 Cambrian Modes of Life
11:34 Cambrian Reefs
14:23 Evolutionary Experimentation
16:02 First Vertebrates
17:21 Burgess Shale
19:00 Ordovician Life
20:14 Convergent Evolution of Shells
21:14 Great Ordovician Biodiversification
22:52 Ordovician Reefs
24:09 Ordovician Predators
24:54 Ordovician Mass Extinction
25:47 Related Videos & References

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