Search results for "Cranial morphology"

showing 3 items of 3 documents

A classification of European skulls from three time periods.

1987

We analyze the taxonomic structure of European populations at three time periods, the Early Middle Ages, the Late Middle Ages and the Recent Period. The data consist of sample means for 10 cranial variables based on 137, 108, and 183 samples for the three periods. Clustering by standard numerical taxonomic procedures reveals that the data are represented only poorly as hierarchic classifications. The clusters form significant and moderately strong associations with an arrangement of the samples by regions (geography) and by language family. Whereas during the early period, language family showed a stronger association with clusters based on cranial morphology, in the recent populations thes…

Cranial morphologyCephalometryHistory 18th CenturyNumerical taxonomyHistory 17th CenturyHumansPooled dataPheneticsHistory 15th CenturyCraniabiologySkullPaleontologyHistory 19th CenturyHistory 20th Centurybiology.organism_classificationClassificationHistory MedievalEuropeGeographyEvolutionary biologyHistory 16th CenturyAnthropologyPeriod (geology)OrdinationAnatomyLanguage familyDemographyAmerican journal of physical anthropology
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Affinities of European Upper Palaeolithic Homo sapiens and later human evolution

1992

Abstract We investigate the evolutionary affinities of European Upper Palaeolithic populations, using cranial measurements and multivariate techniques. Results indicate that cranial morphology of these populations accords with long-term phyletic trends within Pleistocene hominids. The data indicate an interpretation of differential velocities of change, and results do not support the view that Neanderthals contributed to recent populations.

Cranial morphologyNeanderthalPleistocenemedia_common.quotation_subjectMULTIVARIATE ANALYSISPLEISTOCENEPHYLETIC TRENDSZoologyISRAELBiologyAffinitiesHUMAN ORIGINSHuman evolutionHomo sapiensAnthropologybiology.animalDATESPhyletic gradualismNEANDERTHALEcology Evolution Behavior and Systematicsmedia_commonJournal of Human Evolution
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Quantification of cranial convergences in arvicolids (Rodentia)

1997

Cranial convergence in nine species of arvicolids is quantified phenetically using geometric morphometry. In a preliminary step, a hypothesis about phyletic relationships is proposed as a framework against which to examine morphological comparisons. The cranial morphology is then depicted in three series of 37, 20 and 13 landmarks characterizing the lower, upper and lateral sides of the skull respectively. Superimposition (Procrustes) methods are used to quantify shape differences and establish phenograms for the three sides of the skull. The phenogram obtained for lateral sides reveals a strong connection between skull profile and mode of life: surface dwelling forms have elongated skulls …

Cranial morphologybiologymedia_common.quotation_subjectEcological dataAnatomybiology.organism_classificationSkullmedicine.anatomical_structureMyopus schisticolorLagurusmedicineSynaptomys cooperiProcrustes analysisPhyletic gradualismEcology Evolution Behavior and Systematicsmedia_commonBiological Journal of the Linnean Society
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