Xenarthra (Mammalia) from a new late Neogene fossiliferous locality in Northwestern Argentina
- Autores
- Zurita, Alfredo Eduardo; Camacho, María; Miño-Boilini, Ángel Ramón; Candela, Adriana Magdalena; Cuadrelli, Francisco; Krmpotic, Cecilia Mariana; Solís, Natalia
- Año de publicación
- 2017
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- Northwestern Argentina contains one of the most complete continental late Neogene (ca. 9e2.58 Ma) fossiliferous sequences in South America, especially in the current territories of the Catamarca, Tucumán and Jujuy provinces. More precisely in Jujuy Province several localities bearing mainly fossil mammals have been reported at the Quebrada de Humahuaca in the Uquía, Maimar a and Tilcara formations, in which the clade Xenarthra (Mammalia) is well-represented. In this scenario, the fossiliferous potential of other localities of Jujuy Province are less known, especially in those areas located at the northwest end of Argentina, bordering Bolivia in the Northern Puna. A new late Neogene fossiliferous locality near Calahoyo (3639 m.a.s.l), Jujuy Province, is here reported. The materials, belonging to Xenarthra, were exhumed from the base of the Tafna Formation which was deposited in a sedimentary basin by alluvial and/or fluvial currents, undergoing transitions of various lacustrine episodes. The taxa include the Tardigrada Pyramiodontherium bergi (Megatheriidae) and the Cingulata Eosclerocalyptus sp. (Glyptodontidae) and Macrochorobates chapalmalensis (Dasypodidae). From a biostratigraphic viewpoint, this assemblage suggests a Late Miocene-Pliocene age for the base of the Tafna Formation, and partially contradicts the supposed Plio-Pleistocene age of this unit. Finally, the new specimens here described indicate that Xenarthra were taxonomically and ecologically diverse during the late Neogene in the northwest end of Argentina, since they are represented by at least three main lineages (sloths, glyptodontids and armadillos).
Facultad de Ciencias Naturales y Museo - Materia
-
Ciencias Naturales
Diversity
Fossil mammals
Miocene
Pliocene
Puna
South America - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- http://creativecommons.org/licenses/by/4.0/
- Repositorio
- Institución
- Universidad Nacional de La Plata
- OAI Identificador
- oai:sedici.unlp.edu.ar:10915/148022
Ver los metadatos del registro completo
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Xenarthra (Mammalia) from a new late Neogene fossiliferous locality in Northwestern ArgentinaZurita, Alfredo EduardoCamacho, MaríaMiño-Boilini, Ángel RamónCandela, Adriana MagdalenaCuadrelli, FranciscoKrmpotic, Cecilia MarianaSolís, NataliaCiencias NaturalesDiversityFossil mammalsMiocenePliocenePunaSouth AmericaNorthwestern Argentina contains one of the most complete continental late Neogene (ca. 9e2.58 Ma) fossiliferous sequences in South America, especially in the current territories of the Catamarca, Tucumán and Jujuy provinces. More precisely in Jujuy Province several localities bearing mainly fossil mammals have been reported at the Quebrada de Humahuaca in the Uquía, Maimar a and Tilcara formations, in which the clade Xenarthra (Mammalia) is well-represented. In this scenario, the fossiliferous potential of other localities of Jujuy Province are less known, especially in those areas located at the northwest end of Argentina, bordering Bolivia in the Northern Puna. A new late Neogene fossiliferous locality near Calahoyo (3639 m.a.s.l), Jujuy Province, is here reported. The materials, belonging to Xenarthra, were exhumed from the base of the Tafna Formation which was deposited in a sedimentary basin by alluvial and/or fluvial currents, undergoing transitions of various lacustrine episodes. The taxa include the Tardigrada <i>Pyramiodontherium bergi</i> (Megatheriidae) and the Cingulata <i>Eosclerocalyptus</i> sp. (Glyptodontidae) and <i>Macrochorobates chapalmalensis</i> (Dasypodidae). From a biostratigraphic viewpoint, this assemblage suggests a Late Miocene-Pliocene age for the base of the Tafna Formation, and partially contradicts the supposed Plio-Pleistocene age of this unit. Finally, the new specimens here described indicate that Xenarthra were taxonomically and ecologically diverse during the late Neogene in the northwest end of Argentina, since they are represented by at least three main lineages (sloths, glyptodontids and armadillos).Facultad de Ciencias Naturales y Museo2017-12info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionArticulohttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdf229-236http://sedici.unlp.edu.ar/handle/10915/148022enginfo:eu-repo/semantics/altIdentifier/issn/0895-9811info:eu-repo/semantics/altIdentifier/doi/10.1016/j.jsames.2017.09.023info:eu-repo/semantics/openAccesshttp://creativecommons.org/licenses/by/4.0/Creative Commons Attribution 4.0 International (CC BY 4.0)reponame:SEDICI (UNLP)instname:Universidad Nacional de La Platainstacron:UNLP2025-09-29T11:37:53Zoai:sedici.unlp.edu.ar:10915/148022Institucionalhttp://sedici.unlp.edu.ar/Universidad públicaNo correspondehttp://sedici.unlp.edu.ar/oai/snrdalira@sedici.unlp.edu.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:13292025-09-29 11:37:53.407SEDICI (UNLP) - Universidad Nacional de La Platafalse |
dc.title.none.fl_str_mv |
Xenarthra (Mammalia) from a new late Neogene fossiliferous locality in Northwestern Argentina |
title |
Xenarthra (Mammalia) from a new late Neogene fossiliferous locality in Northwestern Argentina |
spellingShingle |
Xenarthra (Mammalia) from a new late Neogene fossiliferous locality in Northwestern Argentina Zurita, Alfredo Eduardo Ciencias Naturales Diversity Fossil mammals Miocene Pliocene Puna South America |
title_short |
Xenarthra (Mammalia) from a new late Neogene fossiliferous locality in Northwestern Argentina |
title_full |
Xenarthra (Mammalia) from a new late Neogene fossiliferous locality in Northwestern Argentina |
title_fullStr |
Xenarthra (Mammalia) from a new late Neogene fossiliferous locality in Northwestern Argentina |
title_full_unstemmed |
Xenarthra (Mammalia) from a new late Neogene fossiliferous locality in Northwestern Argentina |
title_sort |
Xenarthra (Mammalia) from a new late Neogene fossiliferous locality in Northwestern Argentina |
dc.creator.none.fl_str_mv |
Zurita, Alfredo Eduardo Camacho, María Miño-Boilini, Ángel Ramón Candela, Adriana Magdalena Cuadrelli, Francisco Krmpotic, Cecilia Mariana Solís, Natalia |
author |
Zurita, Alfredo Eduardo |
author_facet |
Zurita, Alfredo Eduardo Camacho, María Miño-Boilini, Ángel Ramón Candela, Adriana Magdalena Cuadrelli, Francisco Krmpotic, Cecilia Mariana Solís, Natalia |
author_role |
author |
author2 |
Camacho, María Miño-Boilini, Ángel Ramón Candela, Adriana Magdalena Cuadrelli, Francisco Krmpotic, Cecilia Mariana Solís, Natalia |
author2_role |
author author author author author author |
dc.subject.none.fl_str_mv |
Ciencias Naturales Diversity Fossil mammals Miocene Pliocene Puna South America |
topic |
Ciencias Naturales Diversity Fossil mammals Miocene Pliocene Puna South America |
dc.description.none.fl_txt_mv |
Northwestern Argentina contains one of the most complete continental late Neogene (ca. 9e2.58 Ma) fossiliferous sequences in South America, especially in the current territories of the Catamarca, Tucumán and Jujuy provinces. More precisely in Jujuy Province several localities bearing mainly fossil mammals have been reported at the Quebrada de Humahuaca in the Uquía, Maimar a and Tilcara formations, in which the clade Xenarthra (Mammalia) is well-represented. In this scenario, the fossiliferous potential of other localities of Jujuy Province are less known, especially in those areas located at the northwest end of Argentina, bordering Bolivia in the Northern Puna. A new late Neogene fossiliferous locality near Calahoyo (3639 m.a.s.l), Jujuy Province, is here reported. The materials, belonging to Xenarthra, were exhumed from the base of the Tafna Formation which was deposited in a sedimentary basin by alluvial and/or fluvial currents, undergoing transitions of various lacustrine episodes. The taxa include the Tardigrada <i>Pyramiodontherium bergi</i> (Megatheriidae) and the Cingulata <i>Eosclerocalyptus</i> sp. (Glyptodontidae) and <i>Macrochorobates chapalmalensis</i> (Dasypodidae). From a biostratigraphic viewpoint, this assemblage suggests a Late Miocene-Pliocene age for the base of the Tafna Formation, and partially contradicts the supposed Plio-Pleistocene age of this unit. Finally, the new specimens here described indicate that Xenarthra were taxonomically and ecologically diverse during the late Neogene in the northwest end of Argentina, since they are represented by at least three main lineages (sloths, glyptodontids and armadillos). Facultad de Ciencias Naturales y Museo |
description |
Northwestern Argentina contains one of the most complete continental late Neogene (ca. 9e2.58 Ma) fossiliferous sequences in South America, especially in the current territories of the Catamarca, Tucumán and Jujuy provinces. More precisely in Jujuy Province several localities bearing mainly fossil mammals have been reported at the Quebrada de Humahuaca in the Uquía, Maimar a and Tilcara formations, in which the clade Xenarthra (Mammalia) is well-represented. In this scenario, the fossiliferous potential of other localities of Jujuy Province are less known, especially in those areas located at the northwest end of Argentina, bordering Bolivia in the Northern Puna. A new late Neogene fossiliferous locality near Calahoyo (3639 m.a.s.l), Jujuy Province, is here reported. The materials, belonging to Xenarthra, were exhumed from the base of the Tafna Formation which was deposited in a sedimentary basin by alluvial and/or fluvial currents, undergoing transitions of various lacustrine episodes. The taxa include the Tardigrada <i>Pyramiodontherium bergi</i> (Megatheriidae) and the Cingulata <i>Eosclerocalyptus</i> sp. (Glyptodontidae) and <i>Macrochorobates chapalmalensis</i> (Dasypodidae). From a biostratigraphic viewpoint, this assemblage suggests a Late Miocene-Pliocene age for the base of the Tafna Formation, and partially contradicts the supposed Plio-Pleistocene age of this unit. Finally, the new specimens here described indicate that Xenarthra were taxonomically and ecologically diverse during the late Neogene in the northwest end of Argentina, since they are represented by at least three main lineages (sloths, glyptodontids and armadillos). |
publishDate |
2017 |
dc.date.none.fl_str_mv |
2017-12 |
dc.type.none.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Articulo http://purl.org/coar/resource_type/c_6501 info:ar-repo/semantics/articulo |
format |
article |
status_str |
publishedVersion |
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http://sedici.unlp.edu.ar/handle/10915/148022 |
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dc.language.none.fl_str_mv |
eng |
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eng |
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info:eu-repo/semantics/altIdentifier/issn/0895-9811 info:eu-repo/semantics/altIdentifier/doi/10.1016/j.jsames.2017.09.023 |
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info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/4.0/ Creative Commons Attribution 4.0 International (CC BY 4.0) |
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openAccess |
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http://creativecommons.org/licenses/by/4.0/ Creative Commons Attribution 4.0 International (CC BY 4.0) |
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application/pdf 229-236 |
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