A morphometric analysis of maxillary molar crowns of Middle-Late Pleistocene hominins

Shara Bailey

    Research output: Contribution to journalArticle

    Abstract

    This study explores the significance of shape differences in the maxillary first molar crowns of Neandertals and anatomically modern humans. It uses morphometric analysis to quantify these differences and to investigate how the orientation of major cusps, relative cusp base areas and occlusal polygon area influence crown shape. The aims of this study were to 1) quantify these data to test whether the tooth shapes of Neandertals and anatomically modern humans differ significantly and 2) to explore if either of the shapes is derived relative to earlier fossil hominins. Data were collected from digital occlusal photographs using image-processing software. Cusp angles, relative cusp base areas and occlusal polygon areas were measured on Neandertals (n = 15), contemporary modern humans (n = 62), Upper Paleolithic humans (n = 6), early anatomically modern humans (n = 3) and Homo erectus (n = 3). Univariate and multivariate statistical tests were used to evaluate the differences between contemporary modern humans and Neandertals, while the much sparser data sets from the other fossil samples were included primarily for comparison.

    Original languageEnglish (US)
    Pages (from-to)183-198
    Number of pages16
    JournalJournal of Human Evolution
    Volume47
    Issue number3
    DOIs
    StatePublished - 2004

    Fingerprint

    Pleistocene
    polygon
    fossil
    Paleolithic
    statistical test
    fossils
    image processing
    photograph
    tooth
    Homo
    software
    photographs
    analysis
    Neandertals
    Cusp
    Late Pleistocene
    Morphometrics
    teeth
    statistical analysis
    image analysis

    Keywords

    • Anatomically modern humans
    • Maxillary molars
    • Morphometrics
    • Neandertals
    • Postcanine dental morphology
    • Teeth

    ASJC Scopus subject areas

    • Ecology, Evolution, Behavior and Systematics
    • Education
    • Arts and Humanities (miscellaneous)

    Cite this

    A morphometric analysis of maxillary molar crowns of Middle-Late Pleistocene hominins. / Bailey, Shara.

    In: Journal of Human Evolution, Vol. 47, No. 3, 2004, p. 183-198.

    Research output: Contribution to journalArticle

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