References

Selected References
Aguinaldo, A. M. A., J. M. Turbeville, L. S. Linford, M. C. Rivera, J. R. Garey, R. A. Raff, and J. A. Lake. 1997. Evidence for a clade of nematodes, arthropods and other moulting animals. Nature 387:489–493. This molecular phylogenetic study challenges traditional classification of the Bilateria.

Ereshefsky, M. (ed.). 1992. The units of evolution. Cambridge, Massachusetts, MIT Press. A thorough coverage of concepts of species, including reprints of important papers on the subject.

Hall, B. K. 1994. Homology: the hierarchical basis of comparative biology. San Diego, Academic Press. A collection of papers discussing the many dimensions of homology, the central concept of comparative biology and systematics.

Hillis, D. M., C. Moritz and B. K. Mable (eds.). 1996. Molecular systematics, ed. 2. Sunderland, Massachusetts, Sinauer Associates, Inc. A detailed coverage of the biochemical and analytical procedures of comparative biochemistry.

Hull, D. L. 1988. Science as a process. Chicago, University of Chicago Press. A study of the working methods and interactions of systematists, containing a thorough review of the principles of evolutionary, phenetic, and cladistic taxonomy.

Jeffrey, C. 1973. Biological nomenclature. London, Edward Arnold, Ltd. A concise, practical guide to the principles and practice of biological nomenclature and a useful interpretation of the Codes of Nomenclature.

Maddison, W. P., and D. R. Maddison. 1992. MacClade version 3.01. Sunderland, Massachusetts, Sinauer Associates, Inc. A computer program for the MacIntosh that conducts phylogenetic analyses of systematic characters. The instruction manual stands alone as an excellent introduction to phylogenetic procedures. The computer program is user-friendly and excellent for instruction in addition to serving as a tool for analyzing real data.

Margulis, L., and K. V. Schwartz. 1987. Five kingdoms: an illustrated guide to the phyla of life on earth, ed. 2. San Francisco, W.H. Freeman & Co. Illustrated catalog and descriptions of all major groups with bibliography and glossary.

Mayr, E., and P. D. Ashlock. 1991. Principles of systematic zoology. New York, McGraw- Hill. A detailed survey of systematic principles as applied to animals.

Panchen, A. L. 1992. Classification, evolution, and the nature of biology. New York, Cambridge University Press. Excellent explanations of the methods and philosophical foundations of biological classification.

Wiley, E. O. 1981. Phylogenetics: the theory and practice of phylogenetic systematics. New York, John Wiley & Sons, Inc. Excellent, thorough presentation of cladistic theory.

Wiley, E. O., D. Siegel-Causey, D. R. Brooks, and V. A. Funk. 1991. The compleat cladist: a primer of phylogenetic procedures. Lawrence, University of Kansas Printing Service. A workbook presenting detailed instruction in cladistic concepts and methods.

Woese, C. R., O. Kandler, and M. L. Wheelis. 1990. Towards a natural system of organisms: proposal for the domains Archaea, Bacteria, and Eucarya. Proceedings of the National Academy of Sciences, USA, 87:4576–4579. Proposed cladistic classification for the major taxonomic divisions of life.