cladism
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Related to cladism: Cladistic analysis, Cladistic taxonomy
cladism
[′kla‚diz·əm] (systematics)
A theory of taxonomy by which organisms are grouped and ranked on the basis of the most recent phylogenetic branching point.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.