Representantes da megafauna pleistocênica do sítio fossilífero de Pau Ferrado (Jaupaci, Goiás)

• Ano de defesa: 2014
• Autor(a) principal: Paulo, Pedro Oliveira [UNESP]
• Tipo de documento: Tese
• Tipo de acesso: Acesso aberto
• Idioma: por
• Instituição de defesa: Universidade Estadual Paulista (Unesp)
• Palavras-chave em Português: Paleontology; Paleontologia; Paleontologia - Pleistoceno - Pleistoceno; Mamífero fóssil; Datação arqueologica; Jaupaci (GO)
• Link de acesso: http://hdl.handle.net/11449/124532; http://www.athena.biblioteca.unesp.br/exlibris/bd/cathedra/10-06-2015/000831108.pdf

In Brazil almost all regions show reports of Pleistocene mammal fossils, since early years of the Twentieth Century, although for Goiás State they were only confirmed in the 1970's. In Goiás the first reports of Megafauna individuals were from Jaupaci, Midwestern Goiás, located 260 km from Goiânia. These remains were collected in Pleistocene levels of the Pau Ferrado Fossiliferous Site, from aa abandoned diamond mine with same name. From this site, a vast amount of mammal fossil bones was recovered, containing mainly representatives of Eremotherium and Stegomastodon. The goals of this work were: 1) to perform an osteological description and identification of the bone remains from Jaupaci, and part of the collections from Memorial do Cerrado Museum/PUC - Goiás; 2) to describe ontogenetic variations, typical features and pathological elements among these bone remains; 3) to perform a geochronological dating of bone remains from this fossiliferous site, placing it in time, and to propose an interpretation of the paleoenvironmental conditions for late Pleistocene in Goiás State; 4) confirmation of the fossiliferous potential of the Pau Ferrado Site. The osteological description of Eremotherium laurillardi bone samples indicated the occurrence of different ontogenetic stages of development (youngs, adults and old animals). Among the whole assemblage of bone remains it was possible to distinguish the presence of features related to Family Mylodontidae, expanding the previously reported taxon diversity for Pau Ferrado Locality. A hand bone sample from Mylodontidae was identified with pathological features, exhibiting signs of healing and putative signs of infection. Concerning Stegomastodon waring, the inference of an adult individual among the samples was possible due to wear pattern of the molars. The vastness of bone elements from Pleistocene mammals, recovered during short seasons of field work, proved the richness of the Pau Ferrado...