Sexing ancient cremated human remains is possible through skeletal measurements

January 30, 2019, Public Library of Science
Bone fragments. Credit: Claudio Cavazzuti, 2018

Ancient cremated human remains, despite being deformed, still retain sexually diagnostic physical features, according to a study released January 30, 2019 in the open-access journal PLOS ONE by Claudio Cavazzuti of Durham University, UK and colleagues. The authors provide a statistical approach for identifying traits that distinguish male and female remains within a population.

The ability to determine the sex of ancient is essential for tracking demographic data and cultural practices across civilizations. Large burial assortments can provide representative samples of ancient populations, but the process of cremation, which has been popular for millennia, warps and fragments bone, altering skeletal measurements that archaeologists might otherwise use to sex an individual. Few studies have attempted to identify skeletal traits that are sexually diagnostic after cremation. Thus, archaeologists lack a reliable to sex cremated remains in the absence of external clues such as gendered grave goods.

Cavazzuti and colleagues aimed to resolve this deficiency by measuring 24 skeletal traits across 124 cremated individuals with clearly engendered grave goods (such as weapons for men and spindle whorls for women) from five Italian necropolises dating between the 12th and 6th centuries BCE. Assuming that gender largely correlates to sex, the authors statistically compared sex to variation in anatomical traits. Of the 24 traits examined, eight predicted sex with an accuracy of 80% or more, a reliability score similar to those obtained for uncremated ancient remains.

The authors conclude that anatomical sex determination is possible in cremated remains, though they caution that the measurements identified in this study differ from those used to sex modern cremated remains, indicating that sexually diagnostic traits differ between populations across time and space. Nonetheless, they suggest that, for ancient populations with large sample sizes, the used in this study may be able to differentiate male and female remains.

Cavazzuti adds: "This is a new method for supporting the sex determination of human cremated remains in antiquity. Easy, replicable, reliable."

Explore further: Egypt says archaeologists find ancient tombs in Nile Delta

More information: Cavazzuti C, Bresadola B, d'Innocenzo C, Interlando S, Sperduti A (2019) Towards a new osteometric method for sexing ancient cremated human remains. Analysis of Late Bronze Age and Iron Age samples from Italy with gendered grave goods. PLoS ONE 14(1): e0209423. DOI: 10.1371/journal.pone.0209423

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