Morphological study of the bony labyrinth of the last hunter‐gatherers in Portugal: insights from the Moita do Sebastião shell midden

Arbona, Marina Pujol; Umbelino, Cláudia; Coutinho‐Nogueira, Dany

http://hdl.handle.net/10400.1/26280

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Authors

Arbona, Marina Pujol

Umbelino, Cláudia

Coutinho‐Nogueira, Dany

Abstract(s)

The bony labyrinth is often studied in paleoanthropology for the taxonomic identification of hominins with a special focus on the differentiation between Neanderthals and modern humans. Although the variability of Pleistocene populations is now well studied, the variability of Early and Middle Holocene modern human hunter-gatherers is still poorly known. Thus, this study focuses on the analysis of the bony labyrinth morphology of nine Late Mesolithic individuals from Moita do Sebasti & atilde;o in the Tagus Valley (Portugal). The results show a significant intra-site variability in the Middle Holocene sample, confirming previous studies on the variability of early modern humans. The analysis also revealed morphological differences in the inner ear structures between European individuals associated with an Upper Paleolithic context (Gravettian) from the V & eacute;z & egrave;re Valley and the Mesolithic individuals from Moita do Sebasti & atilde;o. Interestingly, the only Late Pleistocene individual from Portugal shows some similarities with the Middle Holocene ones, posing the possibility of an eventual local biological continuity.