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They have survived every catastrophe and every mass extinction event that nature has thrown at them. And by being the little, filterfeeding, watercleaning creatures that they are, sponges may have saved the world.

Thanks to Franz Anthony and Julio Lacerda for their wonderful illustrations of sponges and snowball earth and other things. You can find more of their work here: https://252mya.com/

Produced in collaboration with PBS Digital Studios:    / pbsdigitalstudios  

Super special thanks to the following Patreon patrons for helping make Eons possible:

Katie Fichtner, Anthony Callaghan, MissyElliottSmith, The Scintillating Spencer, AA, Zachary Spencer, Stefan Weber, Ilya Murashov, Charles Kahle, Robert Amling, Po Foon Kwong, Larry Wilson, Merri Snaidman, John Vanek, Neil H. Gray, Esmeralda RuppSpangle, Gregory Donovan, الخليفي سلطان, Gabriel Cortez, Marcus Lejon, Robert Arévalo, Robert Hill, Todd Dittman, Betsy Radley, PS, Philip Slingerland, Jose Garcia, Eric Vonk, Tony Wamsley, Henrik Peteri, Jonathan Wright, Jon Monteiro, James Bording, Brad Nicholls, Miles Chaston, Michael McClellan, Jeff Graham, Maria Humphrey, Nathan Paskett, Connor Jensen, Daisuke Goto, Hubert Rady, Gregory Kintz, Tyson Cleary, Chandler Bass, Joao Ascensao, Tsee Lee, Sarah Fritts, Alex Yan

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References: https://docs.google.com/document/d/1u...