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Dipartimento di Scienze della Terra and Museo di Storia Naturale (Sezione di Geologia e Paleontologia), Università di Firenze, via La Pira 4, 50121 Firenze, Italy
Laboratoire de Géobiologie, Biochronologie et Paléontologie humaine, CNRS UMR 6046, Université de Poitiers, 40 av. du Recteur Pineau, 86022 Poitiers, France