Sigmodontinos (Mammalia, Rodentia) del Pleistoceno tardío del Valle de Tafí (Tucumán, Argentina): taxonomía, tafonomía y reconstrucción paleoambiental

Autores
Ortiz, Pablo Edmundo; Pardiñas, Ulises Francisco J.
Año de publicación
2001
Idioma
español castellano
Tipo de recurso
artículo
Estado
versión publicada
Descripción
An exceptionaliy rich rodent assemblage of Lujanian age (latest Pleistocene) at La Angostura (26°55´30"S, 65°41´50" W, Tafí valley, Tucuman province; 1900 m above sea level) provides the first evidence of sigmodontine rodents in the fossil record of northwestern Argentina. Identified taxa are: Abrothrix illuteus Thomas, Akodon sp., Necromys cf. N. lactens ( Thomas), Oxymycterus cf. O. paramensis Thomas, Oligoryzomys cf. O. flavescens (Waterhouse), Oligoryzomys cf. O. “longicaudatus” (Benett), Andinomys edax Thomas, Calomys cf. C. laucha/musculinus, Neotomys ebriosus Thomas, Phyllotis sp., Reithrodon auritus (Fischer), and †Tafimys powelli Ortiz et al. These include the first fossils of the genera Neotomys Thomas and Andinomys Thomas in Argentina. Taphonomic analysis indicates that the assemblage is a fossil owl pellet accumulation. Consequently, it can be assumed to be a biased representation of the small mammal fauna of a relatively small area over a relatively brief time span. This association has no modern analogue because today these species live at different altitudinal vegetation belts. The fauna indicates a community from the high-altitude grassland ecotone, with elements of the Yungas, Puna and High Andeans. Temperatures may have been lower than today. Although the species composition is similar to the modern sigmodontine community in the area, quantitative variations in proportional representation can be attributed to Holocene climatic conditions and, probably, to the impact of human populations in historical times.
Fil: Ortiz, Pablo Edmundo. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de Tucumán. Facultad de Ciencias Naturales e Instituto Miguel Lillo; Argentina
Fil: Pardiñas, Ulises Francisco J.. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Centro Nacional Patagónico; Argentina
Materia
Pleistocene
Tucumán
Argentina
Muridae
Taphonomy
Paleoenvironment
Non-analogue assemblages
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/99539
Acceder
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oai_identifier_str oai:ri.conicet.gov.ar:11336/99539
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network_name_str CONICET Digital (CONICET)
spelling Sigmodontinos (Mammalia, Rodentia) del Pleistoceno tardío del Valle de Tafí (Tucumán, Argentina): taxonomía, tafonomía y reconstrucción paleoambientalOrtiz, Pablo EdmundoPardiñas, Ulises Francisco J.PleistoceneTucumánArgentinaMuridaeTaphonomyPaleoenvironmentNon-analogue assemblageshttps://purl.org/becyt/ford/1.5https://purl.org/becyt/ford/1An exceptionaliy rich rodent assemblage of Lujanian age (latest Pleistocene) at La Angostura (26°55´30"S, 65°41´50" W, Tafí valley, Tucuman province; 1900 m above sea level) provides the first evidence of sigmodontine rodents in the fossil record of northwestern Argentina. Identified taxa are: Abrothrix illuteus Thomas, Akodon sp., Necromys cf. N. lactens ( Thomas), Oxymycterus cf. O. paramensis Thomas, Oligoryzomys cf. O. flavescens (Waterhouse), Oligoryzomys cf. O. “longicaudatus” (Benett), Andinomys edax Thomas, Calomys cf. C. laucha/musculinus, Neotomys ebriosus Thomas, Phyllotis sp., Reithrodon auritus (Fischer), and †Tafimys powelli Ortiz et al. These include the first fossils of the genera Neotomys Thomas and Andinomys Thomas in Argentina. Taphonomic analysis indicates that the assemblage is a fossil owl pellet accumulation. Consequently, it can be assumed to be a biased representation of the small mammal fauna of a relatively small area over a relatively brief time span. This association has no modern analogue because today these species live at different altitudinal vegetation belts. The fauna indicates a community from the high-altitude grassland ecotone, with elements of the Yungas, Puna and High Andeans. Temperatures may have been lower than today. Although the species composition is similar to the modern sigmodontine community in the area, quantitative variations in proportional representation can be attributed to Holocene climatic conditions and, probably, to the impact of human populations in historical times.Fil: Ortiz, Pablo Edmundo. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de Tucumán. Facultad de Ciencias Naturales e Instituto Miguel Lillo; ArgentinaFil: Pardiñas, Ulises Francisco J.. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Centro Nacional Patagónico; ArgentinaAsociación Paleontológica Argentina2001-12info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/99539Ortiz, Pablo Edmundo; Pardiñas, Ulises Francisco J.; Sigmodontinos (Mammalia, Rodentia) del Pleistoceno tardío del Valle de Tafí (Tucumán, Argentina): taxonomía, tafonomía y reconstrucción paleoambiental; Asociación Paleontológica Argentina; Ameghiniana; 38; 1; 12-2001; 3-260002-70141851-8044CONICET DigitalCONICETspainfo:eu-repo/semantics/altIdentifier/url/http://www.ameghiniana.org.ar/index.php/ameghiniana/article/view/2581info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-10T13:02:30Zoai:ri.conicet.gov.ar:11336/99539instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-10 13:02:30.644CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Sigmodontinos (Mammalia, Rodentia) del Pleistoceno tardío del Valle de Tafí (Tucumán, Argentina): taxonomía, tafonomía y reconstrucción paleoambiental
title Sigmodontinos (Mammalia, Rodentia) del Pleistoceno tardío del Valle de Tafí (Tucumán, Argentina): taxonomía, tafonomía y reconstrucción paleoambiental
spellingShingle Sigmodontinos (Mammalia, Rodentia) del Pleistoceno tardío del Valle de Tafí (Tucumán, Argentina): taxonomía, tafonomía y reconstrucción paleoambiental
Ortiz, Pablo Edmundo
Pleistocene
Tucumán
Argentina
Muridae
Taphonomy
Paleoenvironment
Non-analogue assemblages
title_short Sigmodontinos (Mammalia, Rodentia) del Pleistoceno tardío del Valle de Tafí (Tucumán, Argentina): taxonomía, tafonomía y reconstrucción paleoambiental
title_full Sigmodontinos (Mammalia, Rodentia) del Pleistoceno tardío del Valle de Tafí (Tucumán, Argentina): taxonomía, tafonomía y reconstrucción paleoambiental
title_fullStr Sigmodontinos (Mammalia, Rodentia) del Pleistoceno tardío del Valle de Tafí (Tucumán, Argentina): taxonomía, tafonomía y reconstrucción paleoambiental
title_full_unstemmed Sigmodontinos (Mammalia, Rodentia) del Pleistoceno tardío del Valle de Tafí (Tucumán, Argentina): taxonomía, tafonomía y reconstrucción paleoambiental
title_sort Sigmodontinos (Mammalia, Rodentia) del Pleistoceno tardío del Valle de Tafí (Tucumán, Argentina): taxonomía, tafonomía y reconstrucción paleoambiental
dc.creator.none.fl_str_mv Ortiz, Pablo Edmundo
Pardiñas, Ulises Francisco J.
author Ortiz, Pablo Edmundo
author_facet Ortiz, Pablo Edmundo
Pardiñas, Ulises Francisco J.
author_role author
author2 Pardiñas, Ulises Francisco J.
author2_role author
dc.subject.none.fl_str_mv Pleistocene
Tucumán
Argentina
Muridae
Taphonomy
Paleoenvironment
Non-analogue assemblages
topic Pleistocene
Tucumán
Argentina
Muridae
Taphonomy
Paleoenvironment
Non-analogue assemblages
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.5
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv An exceptionaliy rich rodent assemblage of Lujanian age (latest Pleistocene) at La Angostura (26°55´30"S, 65°41´50" W, Tafí valley, Tucuman province; 1900 m above sea level) provides the first evidence of sigmodontine rodents in the fossil record of northwestern Argentina. Identified taxa are: Abrothrix illuteus Thomas, Akodon sp., Necromys cf. N. lactens ( Thomas), Oxymycterus cf. O. paramensis Thomas, Oligoryzomys cf. O. flavescens (Waterhouse), Oligoryzomys cf. O. “longicaudatus” (Benett), Andinomys edax Thomas, Calomys cf. C. laucha/musculinus, Neotomys ebriosus Thomas, Phyllotis sp., Reithrodon auritus (Fischer), and †Tafimys powelli Ortiz et al. These include the first fossils of the genera Neotomys Thomas and Andinomys Thomas in Argentina. Taphonomic analysis indicates that the assemblage is a fossil owl pellet accumulation. Consequently, it can be assumed to be a biased representation of the small mammal fauna of a relatively small area over a relatively brief time span. This association has no modern analogue because today these species live at different altitudinal vegetation belts. The fauna indicates a community from the high-altitude grassland ecotone, with elements of the Yungas, Puna and High Andeans. Temperatures may have been lower than today. Although the species composition is similar to the modern sigmodontine community in the area, quantitative variations in proportional representation can be attributed to Holocene climatic conditions and, probably, to the impact of human populations in historical times.
Fil: Ortiz, Pablo Edmundo. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de Tucumán. Facultad de Ciencias Naturales e Instituto Miguel Lillo; Argentina
Fil: Pardiñas, Ulises Francisco J.. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Centro Nacional Patagónico; Argentina
description An exceptionaliy rich rodent assemblage of Lujanian age (latest Pleistocene) at La Angostura (26°55´30"S, 65°41´50" W, Tafí valley, Tucuman province; 1900 m above sea level) provides the first evidence of sigmodontine rodents in the fossil record of northwestern Argentina. Identified taxa are: Abrothrix illuteus Thomas, Akodon sp., Necromys cf. N. lactens ( Thomas), Oxymycterus cf. O. paramensis Thomas, Oligoryzomys cf. O. flavescens (Waterhouse), Oligoryzomys cf. O. “longicaudatus” (Benett), Andinomys edax Thomas, Calomys cf. C. laucha/musculinus, Neotomys ebriosus Thomas, Phyllotis sp., Reithrodon auritus (Fischer), and †Tafimys powelli Ortiz et al. These include the first fossils of the genera Neotomys Thomas and Andinomys Thomas in Argentina. Taphonomic analysis indicates that the assemblage is a fossil owl pellet accumulation. Consequently, it can be assumed to be a biased representation of the small mammal fauna of a relatively small area over a relatively brief time span. This association has no modern analogue because today these species live at different altitudinal vegetation belts. The fauna indicates a community from the high-altitude grassland ecotone, with elements of the Yungas, Puna and High Andeans. Temperatures may have been lower than today. Although the species composition is similar to the modern sigmodontine community in the area, quantitative variations in proportional representation can be attributed to Holocene climatic conditions and, probably, to the impact of human populations in historical times.
publishDate 2001
dc.date.none.fl_str_mv 2001-12
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/11336/99539
Ortiz, Pablo Edmundo; Pardiñas, Ulises Francisco J.; Sigmodontinos (Mammalia, Rodentia) del Pleistoceno tardío del Valle de Tafí (Tucumán, Argentina): taxonomía, tafonomía y reconstrucción paleoambiental; Asociación Paleontológica Argentina; Ameghiniana; 38; 1; 12-2001; 3-26
0002-7014
1851-8044
CONICET Digital
CONICET
url http://hdl.handle.net/11336/99539
identifier_str_mv Ortiz, Pablo Edmundo; Pardiñas, Ulises Francisco J.; Sigmodontinos (Mammalia, Rodentia) del Pleistoceno tardío del Valle de Tafí (Tucumán, Argentina): taxonomía, tafonomía y reconstrucción paleoambiental; Asociación Paleontológica Argentina; Ameghiniana; 38; 1; 12-2001; 3-26
0002-7014
1851-8044
CONICET Digital
CONICET
dc.language.none.fl_str_mv spa
language spa
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/http://www.ameghiniana.org.ar/index.php/ameghiniana/article/view/2581
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
application/pdf
dc.publisher.none.fl_str_mv Asociación Paleontológica Argentina
publisher.none.fl_str_mv Asociación Paleontológica Argentina
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
repository.name.fl_str_mv CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas
repository.mail.fl_str_mv dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar
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score 12.993085

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