Late Pleistocene Stegomastodon (Mammalia, Proboscidea) from Uruguay

Mercedes Gutiérrez, Maria Teresa Alberdi, José Luis Prado, Daniel Perea

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28 Scopus citations


Fossil Proboscidea remains from the Dolores Formation, Montevideo, Uruguay, are described and taxonomically identified. We compared these remains with those of Stegomastodon waringi and Stegomastodon platensis from several localities in Brazil and Argentina using multivariate analysis. The results indicate that Stegomastodon waringi (HOLLAND, 1920) is represented in the quarry. Enamel tooth sample of gomphothere was dated to 17,620 ± 100 BP by AMS 14C so we confirm the late Pleistocene age for this fauna. To reconstruct the paleodiet and habitat preference we measured the carbon and oxygen isotope composition of the teeth dentine. Of the two different adaptations attributed to Stegomastodon waringi, we found that at this latitude they were mixed-C3 feeders, closely related with the Brazil population.

Original languageEnglish (US)
Pages (from-to)641-662
Number of pages22
JournalNeues Jahrbuch fur Geologie und Palaontologie - Monatshefte
Issue number11
StatePublished - Nov 2005


  • Mammalia
  • Proboscidea
  • South America
  • Stegomastodon waringi
  • Upper Pleistocene
  • Uruguay


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