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dc.contributor.authorBermúdez de Castro, José María-
dc.contributor.authorMartinón-Torres, María-
dc.identifier.citationQuaternary International, 2022, 634, 1-13.es_ES
dc.description.abstractIt is often assumed that both our species and the last common ancestor (LCA) of Neanderthals and modern humans originated in Africa, with all Eurasian Pleistocene populations expected to ultimately come from Africa. This paper aims to review the Middle Pleistocene fossil record of Africa and Southwest Asia to reinforce the need to at least consider the possibility of a non-African origin for the “sapiens lineage” as a plausible hypothesis. While the fossil record from the late Middle Pleistocene of Africa does suggest that the earliest representatives of Homo sapiens are indeed found in this continent, we found no consistent evidence showing that the LCA necessarily also originated in Africa. At present, based on paleogenetic analyses, the most widely accepted hypothesis suggests that the LCA may have lived during the early Middle Pleistocene. To this information, we must add the constellation of traits observed in H. antecessor, a species that from both morphology and molecular data has been interpreted as being close to the LCA. The morphology of the LCA may be defined by a mosaic of features in the cranium and dentition which, so far, has not been found in the African record. We emphasize that the case for an African origin for the LCA is not a closed one. We suggest caution and the need for further findings and studies, especially in Southwest Asia, which may be a critical region for studying the divergence of H. sapiens and H. neanderthalensis.es_ES
dc.description.sponsorshipThis report has been mainly supported by the Dirección General de Investigación of the Spanish Ministry of “Ciencia, Innovación y Universidades”, grant number PGC2018-093925-B.C31 (Fondos Feder) the Consejería de Cultura y Turismo of the Junta de Castilla y León, and to the Atapuerca Foundation for its continuous support in both field seasons and research. We also acknowledge The Leakey Foundation through the personal support of Dub Crook to one of the authors (M.M.-T.).es_ES
dc.subjectHuman evolutiones_ES
dc.subjectHomo sapienses_ES
dc.subjectHomo neanderthalensises_ES
dc.subjectLast common ancestores_ES
dc.titleThe origin of the Homo sapiens lineage: When and where?es_ES
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