“…Rooted in the 'Maximum Possible Antiquity' hypothesis (Orquera & Piana, 1988), the archaeological perspective strongly suggests that the infant that lost the IMI 384 tooth crown was part of a stock of 'sea nomad' pioneers who, some 6700-6500 years BP, entered the area already culturally and technologically equipped and pre-adapted to a littoral environment, following the post-Pleistocene climatic changes that allowed the expansion of woods as raw material indispensable to sustain a sea-dependent lifestyle, and probably coming from the south Pacific islands of present-day Chile (Orquera & Piana, 1988, 1999bLegoupil, 1995;Ocampo et al, 1999; for alternative scenarios, see Lanata, 2002).…”