Sources:

-Australian Museum - http://australianmuseum.net.au
-Primitive Fishes - http://primitivefishes.com
-Tiktaalik Roseae - http://tiktaalik.uchicago.edu/
-The Diversity of Fishes, Helfman et al., 2009
-The Virtual Fossil Museum - http://www.fossilmuseum.net
-Wikipedia - http://en.wikipedia.org
-Youtube - https://www.youtube.com

Citation: García, A.I. 2015. The Tree Of Nature (Online) at http://thetreeofnature.com

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