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Numerical Phyletics: An Analysis from the Viewpoint of Phylogenetic Systematics

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Numerical taxonomy's claims for numerical phyogenetic inferences—i.e. various authors' contributions included in Sneath and Sokal's new textbook— re critically examined, and contrasted with Hennig's hylogenetic systematics. Numerical phyletics is found to be vague, inconsistent, and defective concerning the precision and power of problem solution in theory and practice. Therefore, in all these aspects it is inferior to Hennig's phylogenetic systematics, which seem to have been misunderstood and misinterpreted by Sneath and Sokal, apparently due to lack of sufficient information about the present state of this methodology.

Affiliations: 1: Department of phylogenetic research, State Museum of Natural History Stuttgart: 714 Ludwigsburg, Arsenalplatz 3, Germany (BRD)


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