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The Speciation of Modern Homo Sapiens$
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T. J. Crow

Print publication date: 2004

Print ISBN-13: 9780197263112

Published to British Academy Scholarship Online: January 2012

DOI: 10.5871/bacad/9780197263112.001.0001

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PRINTED FROM BRITISH ACADEMY SCHOLARSHIP ONLINE (www.britishacademy.universitypressscholarship.com). (c) Copyright British Academy, 2021. All Rights Reserved. An individual user may print out a PDF of a single chapter of a monograph in BASO for personal use.date: 18 September 2021

The Case for Saltational Events in Human Evolution

The Case for Saltational Events in Human Evolution

(p.48) (p.49) The Case for Saltational Events in Human Evolution
The Speciation of Modern Homo Sapiens

Ian Tattersall

British Academy

This chapter argues the case that the speciation of modern Homo sapiens exemplifies the principle of punctuated equilibria, i.e. it is a saltational change. Evolutionary saltation is a rather ill-defined Victorian concept that may contrast in various ways with gradual (linear) evolution. The discussion looks at the human morphological and behavioural records in an attempt to discern pattern in human evolution, and particularly in the emergence of Homo sapiens. Homo sapiens is a variable species, although not notably more so than Homo neanderthalensis, which can itself be understood only in the context of its membership in a diverse clade of endemic European species. The record clearly indicates that both modern human morphology and modern human cognitive processes appeared rather suddenly, even saltationally, although not at the same time.

Keywords:   human evolution, Homo sapiens, saltational change, evolutionary saltation, Homo neanderthalensis

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