cladistics

n. classification of organisms based on common ancestry (Biology)

Cladistics is a philosophy of classification that arranges organisms only by their order of branching in an evolutionary tree and not by their morphological similarity, in the words of Luria et al. (1981). A major contributor to this school of thought was the German entomologist Willi Hennig, who referred to it as phylogenetic systematics (Hennig, 1966). The word cladistics is derived from the ancient Greek , klados, or "branch."
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Noun
1. a system of biological taxonomy based on the quantitative analysis of comparative data and used to reconstruct cladograms summarizing the (assumed) phylogenetic relations and evolutionary history of groups of organisms
(synonym) cladisitic analysis
(hypernym) taxonomy

cladistics
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