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Classification and Phylogeny of Animals

( http://www.mhhe.com/links/1253/1238/1177/733/index.html )
Classification of Living Things

( http://www.mhhe.com/links/1253/1238/1177/578/index.html )
Methods of Classification

( http://www.mhhe.com/links/1253/1238/1177/734/index.html )
Trees of Life

( http://www.mhhe.com/links/1253/1238/1177/736/index.html )







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