The following is a list of references refered to in creating this project, and from which I obtained many photographs.

Briggs,D.,Collier,F.J.,& Erwin,D.G. (1994). The fossils of the Burgess Shale. Washington: Smithsonian Institution Press.

Dott,R.H.,& Prothero,D.R. (1994). Evolution of the Earth. Wisconsin: McGraw-Hill,Inc.

Gore,R.,& Mazzatenta,O.L. (1993,October). The Cambrian Period: Explosion of Life. National Geographic, pp.120-136.

Gould,S.J. (1989). Wonderful Life. New York: W.W. Norton & Company.

Monroe,J.S.,& Wicander,R. (1993). Historical Geology: Evolution of the Earth and Life Through Time. Minnesota: West Publishing Company.

Morris,S.C.,& Whittington,H.B. (1979,July). The Animals of the Burgess Shale. Scientific American, pp. 2-12.

Morris,S.C.,& Whittington,H.B. (1994). Fossils of the Burgess Shale: A National Treasure in Yoho National Park, British Columbia. Ottawa: Canada Communication Group-Publishing.

Whittington,H.B. (1985). The Burgess Shale. New Haven: Yale University Press.

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