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Related to cladism: Cladistic analysis, Cladistic taxonomy


(ˈklæd ɪz əm, ˈkleɪ dɪz-)

the cladistic method of classification.
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in a point of view antagonistic to cladism, Cronquist (1987) argued that
The primary alternative system is the phylogenetic system of hierarchy which is derived from cladism, and includes aspects both divergent and compatible with the Linnaean system.
It could be retained as a nonclassificatory group, analogous to the group of "animals with wings," but if it is not a monophyletic group, there is no doubt how cladism would deal with it; it presents no philosophical difficulty: the taxonomic category "virus" should be exploded.