"Taxonomy has a well-defined role, which is much more than simply stamp-collecting and pigeon-holing. are the units of classification, and ; as such they must be defined as objectively as possible. The biological species concept, still widely used in biology, though predominantly by non-taxonomists and all too often misunderstood, is a process-based concept, which offers no criterion for the classification of beyond and hypothesis. The phylogenetic species concept—a pattern-based concept—is as nearly objective as we are likely to get. Amount of difference is not a criterion for recognizing species. It is not possible to insist on at the specific level, but it is mandatory for the higher categories (, , etc.). The rank we assign to a given supraspecific category should be determined by its time depth."
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Academics from EnglandUniversity College London alumniAcademics from AustraliaAnthropologists from the United KingdomAnthropologists from Australia
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Colin Groves
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