Sources:

-Archerd Shell Collection - http://shells.tricity.wsu.edu/ArcherdShellCollection/Bivalves.html
-Man and Molluscs - http://www.manandmollusc.net
-The Tree of Life - www.tolweb.org:
-The Living World of Molluscs - http://www.molluscs.at
-The Variety of Life, Colin Tudge, 2000
-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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