Dictionary of Human Evolution and Biology

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Saltational Evolution Or Speciation

Origin of a new taxon in a single step; rapid evolution of phenotypically similar species differentiated primarily by structural chromosome changes, often accompanied by aneuploidy; saltatory. Aka macrogenesis.

See stasipatric speciation.

Cf. punctuated equilibrium and hopeful monsters. Samburu Hills: paleontological site found in 1984 in Northern Kenya, dated to about 9-7 mya (fauna, late Miocene), and that contains hominoid remains including a partial left maxilla (KNM-SH 8531) from the Namurungule Formation, attributed variously to the Hominoidea (incertae sedis) or to Samburupithecus kiptalami.

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