1. Department of Earth Sciences, Environment and Resources University of Naples Federico II 80138 Naples Italy
2. Department of Earth Sciences University of Florence 50121 Florence Italy
3. Department of Biosciences and Territory University of Molise C. da Fonte Lappone, 15 86090 Pesche IS Italy
4. Research Centre in Evolutionary Anthropology and Palaeoecology, School of Biological and Environmental Sciences Liverpool John Moores University Liverpool UK