Pleistocene EQUUS (Equidae: Mammalia) from Northern Brazil: Evidence of Scavenger Behavior by Ursids on South American Horses

Leonardo S. Avilla; Helena Machado; Hermínio Ismael de Araújo-Júnior; Dimila Mothé; Alline Rotti; Karoliny de Oliveira; Victoria Maldonado; Ana Maria Graciano Figueiredo; Angela Kinoshita; Oswaldo Baffa

doi:10.5710/AMGH.05.07.2018.3069

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8 July 2018 Pleistocene EQUUS (Equidae: Mammalia) from Northern Brazil: Evidence of Scavenger Behavior by Ursids on South American Horses

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Ameghiniana, 55(5):517-530 (2018). https://doi.org/10.5710/AMGH.05.07.2018.3069

Abstract

During paleontological surveys conducted in 2013 and 2014 in Quaternary deposits from the Gruta do Urso cave, Tocantins State, nine isolated teeth and five postcranial elements of Equus neogeus were recovered. Absolute datings indicate that E. neogeus inhabited the surroundings of Gruta do Urso cave during the Last Glacial Maximum. The specimens probably represent very young individuals that died outside the cave, were weathered prior to the final burial, with ontogenetic and taphonomic similarities. Herein, we report the first scavenger interaction of ursids and equids in the South American fossil record.

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Leonardo S. Avilla, Helena Machado, Hermínio Ismael de Araújo-Júnior, Dimila Mothé, Alline Rotti, Karoliny de Oliveira, Victoria Maldonado, Ana Maria Graciano Figueiredo, Angela Kinoshita, and Oswaldo Baffa "Pleistocene EQUUS (Equidae: Mammalia) from Northern Brazil: Evidence of Scavenger Behavior by Ursids on South American Horses," Ameghiniana 55(5), 517-530, (8 July 2018). https://doi.org/10.5710/AMGH.05.07.2018.3069

Received: 18 November 2017; Accepted: 5 July 2018; Published: 8 July 2018

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