The Orce region, which is known in the literature as the Spanish Olduvai, has one of the best Late Pliocene and Early Pleistocene continental paleobiological records of Europe. It is situated in the northeastern sector of the intramontane Guadix-Baza Basin (Granada, Andalusia, southern Spain). Here we describe a new fossil hominin tooth from the site of Barranco León, dated to ~1.4 Ma by a combination of Electron Spin Resonance (ESR), paleomagnetic and biochronologic methods. This is, at the moment, the oldest human remain from Western Europe.

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