Sources:

-BBC Nature - http://www.bbc.co.uk
-Featured Creatures - http://entnemdept.ufl.edu
-Insects and their Allies - http://www.ento.csiro.au/education/insects
-Soil Bugs - http://soilbugs.massey.ac.nz
-The Tree of Life, A Phylogenetic Classification, Guillaume Lecointre and Hervé le Guyader, 2006
-The Tree of Life Project - http://tolweb.org
-University of California Museum of Paleontology - http://www.ucmp.berkeley.edu
-Wikipedia - http://en.wikipedia.org

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

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