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Neanderthal teeth from Lezetxiki (Arrasate, Iberian Peninsula): New insights and reassessment

  • Dades identificatives

    Identificador: imarina:9291702
    Autors:
    Lopez-Onaindia, DLozano, MGómez-Robles, AArrizabalaga, ASubirà, ME
    Resum:
    Objectives: We reassess the taxonomic assignment and stratigraphic context of a permanent upper first molar and a permanent lower third premolar recovered from the archeological site of Lezetxiki in the North of the Iberian Peninsula. Materials and Methods: We assessed the external and internal morphology of the teeth using qualitative descriptions, crown diameters, dental tissue proportions, and geometric morphometrics. The teeth from Lezetxiki were compared with Middle Pleistocene specimens, Neanderthals, Upper Paleolithic modern humans, and recent modern humans. Results: Both teeth were consistent with a Neanderthal classification. The upper first molar shows taurodontism, and its cusp proportions and overall morphology match those of Neanderthals. Geometric morphometric analyses of occlusal anatomy classify this molar as a Neanderthal with a posterior probability of 76%. The lower third premolar, which was originally classified as a lower fourth premolar, also shows a Neanderthal morphology. This premolar is classified as a Neanderthal with a posterior probability of 60%. Discussion: These teeth represent the only adult Neanderthal teeth from the Western Pyrenees region found to date. The teeth were found at a stratigraphic level (designated Level III) that marks the transition level from Mousterian to Aurignacian, and are among the most recent Neanderthal remains from the north of the Iberian Peninsula.
  • Altres:

    Autor segons l'article: Lopez-Onaindia, D; Lozano, M; Gómez-Robles, A; Arrizabalaga, A; Subirà, ME
    Departament: Història i Història de l'Art
    Autor/s de la URV: Lozano Ruiz, Marina
    Paraules clau: Stratigraphy Paleolithic Microtomography Geometric morphometrics Geometric morphometric-analysis Dental tissue proportions stratigraphy paleolithic microtomography late pleistocene human remains geometric morphometrics enamel-dentin junction del gegant sitges cusp proportions crown size computed-tomography cave basque country
    Resum: Objectives: We reassess the taxonomic assignment and stratigraphic context of a permanent upper first molar and a permanent lower third premolar recovered from the archeological site of Lezetxiki in the North of the Iberian Peninsula. Materials and Methods: We assessed the external and internal morphology of the teeth using qualitative descriptions, crown diameters, dental tissue proportions, and geometric morphometrics. The teeth from Lezetxiki were compared with Middle Pleistocene specimens, Neanderthals, Upper Paleolithic modern humans, and recent modern humans. Results: Both teeth were consistent with a Neanderthal classification. The upper first molar shows taurodontism, and its cusp proportions and overall morphology match those of Neanderthals. Geometric morphometric analyses of occlusal anatomy classify this molar as a Neanderthal with a posterior probability of 76%. The lower third premolar, which was originally classified as a lower fourth premolar, also shows a Neanderthal morphology. This premolar is classified as a Neanderthal with a posterior probability of 60%. Discussion: These teeth represent the only adult Neanderthal teeth from the Western Pyrenees region found to date. The teeth were found at a stratigraphic level (designated Level III) that marks the transition level from Mousterian to Aurignacian, and are among the most recent Neanderthal remains from the north of the Iberian Peninsula.
    Àrees temàtiques: Paleontology Genetics Evolutionary biology Epidemiology Archeology Anthropology Anatomy
    Accès a la llicència d'ús: https://creativecommons.org/licenses/by/3.0/es/
    Adreça de correu electrònic de l'autor: marina.lozano@urv.cat
    Identificador de l'autor: 0000-0002-6304-7848
    Data d'alta del registre: 2024-08-03
    Versió de l'article dipositat: info:eu-repo/semantics/publishedVersion
    Enllaç font original: https://onlinelibrary.wiley.com/doi/full/10.1002/ajpa.24694
    URL Document de llicència: https://repositori.urv.cat/ca/proteccio-de-dades/
    Referència a l'article segons font original: American Journal Of Biological Anthropology. 180 (4): 745-760
    Referència de l'ítem segons les normes APA: Lopez-Onaindia, D; Lozano, M; Gómez-Robles, A; Arrizabalaga, A; Subirà, ME (2023). Neanderthal teeth from Lezetxiki (Arrasate, Iberian Peninsula): New insights and reassessment. American Journal Of Biological Anthropology, 180(4), 745-760. DOI: 10.1002/ajpa.24694
    DOI de l'article: 10.1002/ajpa.24694
    Entitat: Universitat Rovira i Virgili
    Any de publicació de la revista: 2023
    Tipus de publicació: Journal Publications
  • Paraules clau:

    Anatomy,Anthropology,Archeology,Epidemiology,Evolutionary Biology,Genetics,Paleontology
    Stratigraphy
    Paleolithic
    Microtomography
    Geometric morphometrics
    Geometric morphometric-analysis
    Dental tissue proportions
    stratigraphy
    paleolithic
    microtomography
    late pleistocene
    human remains
    geometric morphometrics
    enamel-dentin junction
    del gegant sitges
    cusp proportions
    crown size
    computed-tomography
    cave
    basque country
    Paleontology
    Genetics
    Evolutionary biology
    Epidemiology
    Archeology
    Anthropology
    Anatomy
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