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Título: | Skeletal anomalies in the neandertal family of El Sidrón (Spain) support a role of inbreeding in neandertal extinction |
Autor: | Ríos, L.; Kivel, T. L.; Lalueza-Fox, Carles CSIC ORCID ; Estalrrich, A.; García-Tabernero, Antonio CSIC ORCID; Huguet, Rosa CSIC ORCID; Quintino, Y.; Rasilla, Marco de la; Rosas, Antonio | Palabras clave: | Palaeoecology Palaeontology |
Fecha de publicación: | 8-feb-2019 | Editor: | Springer Nature | Citación: | Scientific Reports 9: 1697 (2019) | Resumen: | Neandertals disappeared from the fossil record around 40,000 bp, after a demographic history of small and isolated groups with high but variable levels of inbreeding, and episodes of interbreeding with other Paleolithic hominins. It is reasonable to expect that high levels of endogamy could be expressed in the skeleton of at least some Neandertal groups. Genetic studies indicate that the 13 individuals from the site of El Sidrón, Spain, dated around 49,000 bp, constituted a closely related kin group, making these Neandertals an appropriate case study for the observation of skeletal signs of inbreeding. We present the complete study of the 1674 identified skeletal specimens from El Sidrón. Altogether, 17 congenital anomalies were observed (narrowing of the internal nasal fossa, retained deciduous canine, clefts of the first cervical vertebra, unilateral hypoplasia of the second cervical vertebra, clefting of the twelfth thoracic vertebra, diminutive thoracic or lumbar rib, os centrale carpi and bipartite scaphoid, tripartite patella, left foot anomaly and cuboid-navicular coalition), with at least four individuals presenting congenital conditions (clefts of the first cervical vertebra). At 49,000 years ago, the Neandertals from El Sidrón, with genetic and skeletal evidence of inbreeding, could be representative of the beginning of the demographic collapse of this hominin phenotype. | Versión del editor: | https://doi.org/10.1038/s41598-019-38571-1 | URI: | http://hdl.handle.net/10261/207779 | E-ISSN: | 2045-2322 |
Aparece en las colecciones: | (IBE) Artículos (MNCN) Artículos |
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