Isotopic insight on paleodiet of extinct Pleistocene megafaunal Xenarthrans from Argentina

The diet of extinct giant Xenarthrans is a debated topic, especially for ground sloths, for which herbivory, insectivory, and carnivory through scavenging or active hunting have been suggested. In this study, stable carbon isotopic composition of collagen and carbonate fraction of well-preserved fos...

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Autores principales:	Bocherens, Hervé, Cotte, Martin, Bonini, Ricardo Adolfo, Straccia, Pablo, Scian, Daniel, Soibelzon, Leopoldo Héctor, Prevosti, Francisco Juan
Formato:	Artículo publishedVersion
Lenguaje:	Inglés
Publicado:	Elsevier Science 2017
Materias:	CARBON ISOTOPES CARBONATE COLLAGEN DIET GLYPTODONTID GROUND SLOTH Paleontología Ciencias de la Tierra y relacionadas con el Medio Ambiente CIENCIAS NATURALES Y EXACTAS
Acceso en línea:	http://hdl.handle.net/11336/56592 http://suquia.ffyh.unc.edu.ar/handle/11336/56592
Aporte de:	Suquía - Instituto de Antropología de Córdoba (IDACOR, CONICET y UNC) de Universidad Nacional de Córdoba

id	I10-R181-11336-56592
record_format	dspace
institution	Universidad Nacional de Córdoba
institution_str	I-10
repository_str	R-181
collection	Suquía - Instituto de Antropología de Córdoba (IDACOR, CONICET y UNC)
language	Inglés
topic	CARBON ISOTOPES CARBONATE COLLAGEN DIET GLYPTODONTID GROUND SLOTH Paleontología Ciencias de la Tierra y relacionadas con el Medio Ambiente CIENCIAS NATURALES Y EXACTAS
spellingShingle	CARBON ISOTOPES CARBONATE COLLAGEN DIET GLYPTODONTID GROUND SLOTH Paleontología Ciencias de la Tierra y relacionadas con el Medio Ambiente CIENCIAS NATURALES Y EXACTAS Bocherens, Hervé Cotte, Martin Bonini, Ricardo Adolfo Straccia, Pablo Scian, Daniel Soibelzon, Leopoldo Héctor Prevosti, Francisco Juan Isotopic insight on paleodiet of extinct Pleistocene megafaunal Xenarthrans from Argentina
topic_facet	CARBON ISOTOPES CARBONATE COLLAGEN DIET GLYPTODONTID GROUND SLOTH Paleontología Ciencias de la Tierra y relacionadas con el Medio Ambiente CIENCIAS NATURALES Y EXACTAS
description	The diet of extinct giant Xenarthrans is a debated topic, especially for ground sloths, for which herbivory, insectivory, and carnivory through scavenging or active hunting have been suggested. In this study, stable carbon isotopic composition of collagen and carbonate fraction of well-preserved fossil bones was used as a tracer of trophic level. > 200 modern mammal bones of species with a variety of diets were used as a reference dataset. The good preservation of the carbonate isotopic composition was checked using different diagenetic indicators and by using fossil carnivorous and herbivorous taxa from the same sites as test-taxa. The results on modern mammals indicate a clear distinction in the difference between the carbon isotopic composition of carbonate and collagen between faunivores (carnivores, insectivores, piscivores, omnivores) and herbivores. Using this framework, the results on the fossil megafaunal Xenarthrans indicate a herbivorous diet for both Glyptodontids and are also consistent with a herbivorous diet for giant ground sloths, including Megatherium. The hypothesis that Megatherium could be a cryptic meat-eater or an insectivore is not supported by the results obtained in the present study.
format	Artículo Artículo publishedVersion
author	Bocherens, Hervé Cotte, Martin Bonini, Ricardo Adolfo Straccia, Pablo Scian, Daniel Soibelzon, Leopoldo Héctor Prevosti, Francisco Juan
author_facet	Bocherens, Hervé Cotte, Martin Bonini, Ricardo Adolfo Straccia, Pablo Scian, Daniel Soibelzon, Leopoldo Héctor Prevosti, Francisco Juan
author_sort	Bocherens, Hervé
title	Isotopic insight on paleodiet of extinct Pleistocene megafaunal Xenarthrans from Argentina
title_short	Isotopic insight on paleodiet of extinct Pleistocene megafaunal Xenarthrans from Argentina
title_full	Isotopic insight on paleodiet of extinct Pleistocene megafaunal Xenarthrans from Argentina
title_fullStr	Isotopic insight on paleodiet of extinct Pleistocene megafaunal Xenarthrans from Argentina
title_full_unstemmed	Isotopic insight on paleodiet of extinct Pleistocene megafaunal Xenarthrans from Argentina
title_sort	isotopic insight on paleodiet of extinct pleistocene megafaunal xenarthrans from argentina
publisher	Elsevier Science
publishDate	2017
url	http://hdl.handle.net/11336/56592 http://suquia.ffyh.unc.edu.ar/handle/11336/56592
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Isotopic insight on paleodiet of extinct Pleistocene megafaunal Xenarthrans from Argentina

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