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1979•Biological Journal of the Linnean SocietyRequires access

Macroevolution - myth or reality ?

P. H. Greenwood

Open publisher page 15 citations

Abstract

Current concepts of macroevolution–the origin and diversification of higher taxonomic categories-are reviewed. A reductionist hypothesis, seen in the light of models based on extant species, seems to be corroborated. There appears to be no reason to think that macroevolution is a natural phenomenon distinct from a speciation event giving rise to a new phyletic lineage. Neidier is it necessary to postulate any quantum element in that speciation event.

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Current concepts of macroevolution–the origin and diversification of higher taxonomic categories-are reviewed. A reductionist hypothesis, seen in the light of models based on extant species, seems to be corroborated. There appears to be no reason to think that macroevolution is a natural phenomenon distinct from a speciation event giving rise to a new phyletic lineage. Neidier is it necessary to postulate any quantum element in that speciation event.

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Available abstract

Current concepts of macroevolution–the origin and diversification of higher taxonomic categories-are reviewed. A reductionist hypothesis, seen in the light of models based on extant species, seems to be corroborated. There appears to be no reason to think that macroevolution is a natural phenomenon distinct from a speciation event giving rise to a new phyletic lineage. Neidier is it necessary to postulate any quantum element in that speciation event.

Key concepts: Macroevolution, Phyletic gradualism, Biology, Evolutionary biology, Extant taxon, Genetic algorithm, Reductionism, Lineage (genetic)

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