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  • Title: A lunate-triquetral coalition from a commingled funerary context from the Chalcolithic Perdigões ditched enclosures of Portugal.
    Author: Godinho RM, Santos AL, Valera AC.
    Journal: Anthropol Anz; 2020 Feb 13; 77(1):83-88. PubMed ID: 31322644.
    Abstract:
    Carpal coalitions, resulting from a failure of separation of the cartilaginous precursors of the carpal bones during gestation, may be osseous or non-osseous. Even though lunate-triquetral coalitions are the most common of all carpal coalitions there is only one previous palaeopathological report of such a coalition. This study presents a non-osseous lunate-triquetral coalition found amongst the mostly cremated commingled bones from a Chalcolithic pit at Perdigões (Portugal). The cremated bones show evidence of burning at varying but mostly at generally high temperatures. The perfect articulation between these right bones and pinpoint pitting in the lunate-triquetral joint were crucial for the identification of this congenital condition. Carpal coalitions are more frequent in African than European populations. Artifacts produced from ivory of African origin were found in Perdigões, however it is not possible to establish the ancestry of this individual.
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