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Krapina, “Classic” Neanderthals, and the evolution of the European face

Identifieur interne : 006589 ( Istex/Checkpoint ); précédent : 006588; suivant : 006590

Krapina, “Classic” Neanderthals, and the evolution of the European face

Auteurs : C. Loring Brace [États-Unis]

Source :

RBID : ISTEX:4C693B64815E86945277AD9539E02A394E4BFFCC

English descriptors

Abstract

Abstract: Except for the front end of the dental arch, tooth size remained at approximately the same level throughout the Middle Pleistocene. The Krapina Neanderthals at the end of the last interglacial differed from Homo erectus only in having larger front teeth. From that time on, tooth size in populations at the northern edge of the area of human occupation in the Old World has reduced approximately in proportion to the time elapsed. The “Classic” Neanderthals of western Europe, in fact, have teeth that are 15% smaller than those of the earlier Krapina Neanderthals and only 5% larger than the early Upper Palaeolithic. Reduction since the early Upper Palaeolithic has proceeded another full 20%. It is suggested that the development of heated stone cooking in the Mousterian, originally for the purpose of thawing frozen food, reduced the forces of selection that had previously maintained tooth size during the Middle Pleistocene. The operation of the Probable Mutation Effect, then produced the observed reductions.

Url:
DOI: 10.1016/0047-2484(79)90043-5


Affiliations:


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ISTEX:4C693B64815E86945277AD9539E02A394E4BFFCC

Le document en format XML

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<term>Archaeological evidence</term>
<term>Aurignacian</term>
<term>Australian aborigines</term>
<term>Brace figure</term>
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<term>Human tooth size</term>
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<term>Krapina neanderthals</term>
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<term>Tooth size</term>
<term>Tooth size data</term>
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<term>American journal</term>
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<term>Anterior teeth</term>
<term>Archaeological evidence</term>
<term>Aurignacian</term>
<term>Australian aborigines</term>
<term>Brace figure</term>
<term>Carmel</term>
<term>Century london</term>
<term>Classic neanderthals</term>
<term>Composite profiles</term>
<term>Composite tooth size profile</term>
<term>Composite tooth size profiles</term>
<term>Contact surface</term>
<term>Culinary technology</term>
<term>Dental arch</term>
<term>Dental reduction</term>
<term>Dentition</term>
<term>Desert heart</term>
<term>Dramatic reduction</term>
<term>Early neanderthals</term>
<term>Erectus</term>
<term>Erik trinkaus</term>
<term>European neanderthals</term>
<term>Evolutionary change</term>
<term>Face size</term>
<term>Fossil</term>
<term>Fossil hominids</term>
<term>Front teeth</term>
<term>Greater mousterian culture area</term>
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<term>Human dentition</term>
<term>Human evolution</term>
<term>Human face</term>
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<term>Human habitation</term>
<term>Human occupation</term>
<term>Human survival</term>
<term>Human tooth size</term>
<term>Incisor</term>
<term>Ivan crnolatac</term>
<term>Krapina</term>
<term>Krapina neanderthals</term>
<term>Larger front teeth</term>
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<term>Last years</term>
<term>Late neanderthals</term>
<term>Late pleistocene</term>
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<term>Murray basin aborigines</term>
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<term>Neanderthal ancestors</term>
<term>Neanderthal form</term>
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<term>Physical anthropology</term>
<term>Pleistocene</term>
<term>Pleistocene hominid</term>
<term>Probable mutation effect</term>
<term>Profile lines</term>
<term>Selection relaxation</term>
<term>Selective force change</term>
<term>Selective forces</term>
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<term>Smaller teeth</term>
<term>Summary tooth size</term>
<term>Summary tooth size figures</term>
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<term>Tooth size</term>
<term>Tooth size data</term>
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<div type="abstract" xml:lang="en">Abstract: Except for the front end of the dental arch, tooth size remained at approximately the same level throughout the Middle Pleistocene. The Krapina Neanderthals at the end of the last interglacial differed from Homo erectus only in having larger front teeth. From that time on, tooth size in populations at the northern edge of the area of human occupation in the Old World has reduced approximately in proportion to the time elapsed. The “Classic” Neanderthals of western Europe, in fact, have teeth that are 15% smaller than those of the earlier Krapina Neanderthals and only 5% larger than the early Upper Palaeolithic. Reduction since the early Upper Palaeolithic has proceeded another full 20%. It is suggested that the development of heated stone cooking in the Mousterian, originally for the purpose of thawing frozen food, reduced the forces of selection that had previously maintained tooth size during the Middle Pleistocene. The operation of the Probable Mutation Effect, then produced the observed reductions.</div>
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