Sources:

-Miguasha National Park - http://www.miguasha.ca/mig-en/cheirolepis.php
-About Education - http://animals.about.com
-The Diversity of Fishes, Helfman G., B. B. Collete et al., 2009
-The Tree of Life Project – www.tolweb.org
-The Variety of Life, Colin Tudge, 2000
-Wikipedia - http://en.wikipedia.org

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

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