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Sex estimation of the adult Neandertal Regourdou 1 (Montignac, France): Implications for sexing human fossil remains

R. Rmoutilová, J. Brůžek, A. Gómez-Olivencia, S. Madelaine, C. Couture-Veschambre, T. Holliday, B. Maureille

. 2024 ; 189 (-) : 103470. [pub] 20240328

Jazyk angličtina Země Anglie, Velká Británie

Typ dokumentu časopisecké články, práce podpořená grantem

Perzistentní odkaz   https://www.medvik.cz/link/bmc24014421

Sex is a biological trait fundamental to the study of hominin fossils. Among the many questions that can be addressed are those related to taxonomy, biological variability, sexual dimorphism, paleoobstetrics, funerary selection, and paleodemography. While new methodologies such as paleogenomics or paleoproteomics can be used to determine sex, they have not been systematically applied to Pleistocene human remains due to their destructive nature. Therefore, we estimated sex from the coxal bone of the newly discovered pelvic remains of the Regourdou 1 Neandertal (Southwest France, MIS 5) based on morphological and metric data employing two methods that have been recently revised and shown to be reliable in multiple studies. Both methods calculate posterior probabilities of the estimate. The right coxal bone of Regourdou 1 was partially reconstructed providing additional traits for sex estimation. These methods were cross validated on 14 sufficiently preserved coxal bones of specimens from the Neandertal lineage. Our results show that the Regourdou 1 individual, whose postcranial skeleton is not robust, is a male, and that previous sex attributions of comparative Neandertal specimens are largely in agreement with those obtained here. Our results encourage additional morphological research of fossil hominins in order to develop a set of methods that are applicable, reliable, and reproducible.

Citace poskytuje Crossref.org

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$a Rmoutilová, Rebeka $u Department of Anthropology and Human Genetics, Faculty of Science, Charles University, Viničná 7, 128 00, Prague, Czech Republic; University of Bordeaux, CNRS, MC, PACEA, UMR 5199, F-33600, Pessac, France; Hrdlicka Museum of Man, Faculty of Science, Charles University, Viničná 7, 128 00 Prague 2, Czech Republic. Electronic address: vejnaror@natur.cuni.cz
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$a Sex is a biological trait fundamental to the study of hominin fossils. Among the many questions that can be addressed are those related to taxonomy, biological variability, sexual dimorphism, paleoobstetrics, funerary selection, and paleodemography. While new methodologies such as paleogenomics or paleoproteomics can be used to determine sex, they have not been systematically applied to Pleistocene human remains due to their destructive nature. Therefore, we estimated sex from the coxal bone of the newly discovered pelvic remains of the Regourdou 1 Neandertal (Southwest France, MIS 5) based on morphological and metric data employing two methods that have been recently revised and shown to be reliable in multiple studies. Both methods calculate posterior probabilities of the estimate. The right coxal bone of Regourdou 1 was partially reconstructed providing additional traits for sex estimation. These methods were cross validated on 14 sufficiently preserved coxal bones of specimens from the Neandertal lineage. Our results show that the Regourdou 1 individual, whose postcranial skeleton is not robust, is a male, and that previous sex attributions of comparative Neandertal specimens are largely in agreement with those obtained here. Our results encourage additional morphological research of fossil hominins in order to develop a set of methods that are applicable, reliable, and reproducible.
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$a Brůžek, Jaroslav $u Department of Anthropology and Human Genetics, Faculty of Science, Charles University, Viničná 7, 128 00, Prague, Czech Republic; University of Bordeaux, CNRS, MC, PACEA, UMR 5199, F-33600, Pessac, France
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$a Gómez-Olivencia, Asier $u Departamento de Geología, Facultad de Ciencia y Tecnología, Universidad Del País Vasco/Euskal Herriko Unibertsitatea (UPV/EHU), Leioa, Spain; Sociedad de Ciencias Aranzadi, Donostia-San Sebastián, Spain; Centro UCM-ISCIII de Investigacion Sobre Evolución y Comportamiento Humanos, Madrid, Spain
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