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An artifact embedded in an extinct proboscidean sheds new light on human-megafaunal interactions in the Quaternary of South America

2019; Elsevier BV; Volume: 229; Linguagem: Inglês

10.1016/j.quascirev.2019.106125

1873-457X

Dimila Mothé, Leonardo dos Santos Ávilla, Hermínio Ismael de Araújo‐Júnior, Alline Rotti, André Prous, Sergio Alex Kugland de Azevedo,

Primate Behavior and Ecology

The drivers of the global Quaternary megafaunal extinction are constantly being updated and discussed. Most paleoarchaeological sites in South America with proboscideans and humans in association are considered as clear killing sites, an interpretation that might not consider their taphonomic aspects and neglect other ecological interactions. Here we describe a unique example of megafaunal killing by humans in South American, a skull of a young Notiomastodon platensis from Brazil with an artifact embedded in its rostral area. This fossil proboscidean is from Lagoa Santa Karst, the homeland of some of the oldest evidence for humans in South America, the Lagoa Santa culture. The late Pleistocene/early Holocene deposits from Lagoa Santa may record a bottleneck ecological process for megafaunal populations, and the hunting activity of past humans perhaps played an important role in Notiomastodon platensis extinction.