A new Hypsodont Notoungulate (Hegetotheriidae, Pachyrukhinae) from the late Miocene of the Eastern Cordillera, Salta province, Northwest of Argentina

Late Miocene fluvial strata of the Palo Pintado Formation are broadly exposed to the northwest of the town of Angastaco, Salta province, Northwest of Argentina. These strata accumulated in the extensional Angastaco Basin. Recent field work at the Palo Pintado Formation (late Miocene), Valle Calchaqu...

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Autores principales: Reguero,Marcelo A, Candela,Adriana M, Galli,Claudia I, Bonini,Ricardo, Voglino,Damián
Lenguaje:English
Publicado: Servicio Nacional de Geología y Minería (SERNAGEOMIN) 2015
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Acceso en línea:http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-71062015000100004
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spelling oai:scielo:S0718-710620150001000042015-03-12A new Hypsodont Notoungulate (Hegetotheriidae, Pachyrukhinae) from the late Miocene of the Eastern Cordillera, Salta province, Northwest of ArgentinaReguero,Marcelo ACandela,Adriana MGalli,Claudia IBonini,RicardoVoglino,Damián Eastern Cordillera Palo Pintado Formation Valle Calchaquí Late Miocene Hegetotheriidae Paedotherium Late Miocene fluvial strata of the Palo Pintado Formation are broadly exposed to the northwest of the town of Angastaco, Salta province, Northwest of Argentina. These strata accumulated in the extensional Angastaco Basin. Recent field work at the Palo Pintado Formation (late Miocene), Valle Calchaquí, Salta province, Argentina has provided fossil remains that greatly increased the knowledge of the faunal assemblage of this site. A number of notoungulates and rodents were collected. A partial left jaw was collected at Quebrada Penas Blancas along the west bank of the Río Calchaquí. Morphological and morphometric comparisons permit referral of this specimen to a new species of hegetotheriid notoungulate Paedotherium kakai sp. nov. It represents the first report of Paedotherium for the Eastern Cordillera and one of the few well-documented occurrences of this genus outside of middle-high latitudes Argentina. The widespread geographic range of Paedotherium, combined with its restricted temporal range, suggest it may be one of the most useful biostratigraphic indicator taxa for Neogene faunas. Paedotherium kakai would have been a mixed feeder that lived in gallery forests, feeding close to water bodies of a system river and lagoons, in food plains developed under humid and subtropical climate.info:eu-repo/semantics/openAccessServicio Nacional de Geología y Minería (SERNAGEOMIN)Andean geology v.42 n.1 20152015-01-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-71062015000100004en10.5027/andgeoV42n1-a04
institution Scielo Chile
collection Scielo Chile
language English
topic Eastern Cordillera
Palo Pintado Formation
Valle Calchaquí
Late Miocene
Hegetotheriidae
Paedotherium
spellingShingle Eastern Cordillera
Palo Pintado Formation
Valle Calchaquí
Late Miocene
Hegetotheriidae
Paedotherium
Reguero,Marcelo A
Candela,Adriana M
Galli,Claudia I
Bonini,Ricardo
Voglino,Damián
A new Hypsodont Notoungulate (Hegetotheriidae, Pachyrukhinae) from the late Miocene of the Eastern Cordillera, Salta province, Northwest of Argentina
description Late Miocene fluvial strata of the Palo Pintado Formation are broadly exposed to the northwest of the town of Angastaco, Salta province, Northwest of Argentina. These strata accumulated in the extensional Angastaco Basin. Recent field work at the Palo Pintado Formation (late Miocene), Valle Calchaquí, Salta province, Argentina has provided fossil remains that greatly increased the knowledge of the faunal assemblage of this site. A number of notoungulates and rodents were collected. A partial left jaw was collected at Quebrada Penas Blancas along the west bank of the Río Calchaquí. Morphological and morphometric comparisons permit referral of this specimen to a new species of hegetotheriid notoungulate Paedotherium kakai sp. nov. It represents the first report of Paedotherium for the Eastern Cordillera and one of the few well-documented occurrences of this genus outside of middle-high latitudes Argentina. The widespread geographic range of Paedotherium, combined with its restricted temporal range, suggest it may be one of the most useful biostratigraphic indicator taxa for Neogene faunas. Paedotherium kakai would have been a mixed feeder that lived in gallery forests, feeding close to water bodies of a system river and lagoons, in food plains developed under humid and subtropical climate.
author Reguero,Marcelo A
Candela,Adriana M
Galli,Claudia I
Bonini,Ricardo
Voglino,Damián
author_facet Reguero,Marcelo A
Candela,Adriana M
Galli,Claudia I
Bonini,Ricardo
Voglino,Damián
author_sort Reguero,Marcelo A
title A new Hypsodont Notoungulate (Hegetotheriidae, Pachyrukhinae) from the late Miocene of the Eastern Cordillera, Salta province, Northwest of Argentina
title_short A new Hypsodont Notoungulate (Hegetotheriidae, Pachyrukhinae) from the late Miocene of the Eastern Cordillera, Salta province, Northwest of Argentina
title_full A new Hypsodont Notoungulate (Hegetotheriidae, Pachyrukhinae) from the late Miocene of the Eastern Cordillera, Salta province, Northwest of Argentina
title_fullStr A new Hypsodont Notoungulate (Hegetotheriidae, Pachyrukhinae) from the late Miocene of the Eastern Cordillera, Salta province, Northwest of Argentina
title_full_unstemmed A new Hypsodont Notoungulate (Hegetotheriidae, Pachyrukhinae) from the late Miocene of the Eastern Cordillera, Salta province, Northwest of Argentina
title_sort new hypsodont notoungulate (hegetotheriidae, pachyrukhinae) from the late miocene of the eastern cordillera, salta province, northwest of argentina
publisher Servicio Nacional de Geología y Minería (SERNAGEOMIN)
publishDate 2015
url http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-71062015000100004
work_keys_str_mv AT regueromarceloa anewhypsodontnotoungulatehegetotheriidaepachyrukhinaefromthelatemioceneoftheeasterncordillerasaltaprovincenorthwestofargentina
AT candelaadrianam anewhypsodontnotoungulatehegetotheriidaepachyrukhinaefromthelatemioceneoftheeasterncordillerasaltaprovincenorthwestofargentina
AT galliclaudiai anewhypsodontnotoungulatehegetotheriidaepachyrukhinaefromthelatemioceneoftheeasterncordillerasaltaprovincenorthwestofargentina
AT boniniricardo anewhypsodontnotoungulatehegetotheriidaepachyrukhinaefromthelatemioceneoftheeasterncordillerasaltaprovincenorthwestofargentina
AT voglinodamian anewhypsodontnotoungulatehegetotheriidaepachyrukhinaefromthelatemioceneoftheeasterncordillerasaltaprovincenorthwestofargentina
AT regueromarceloa newhypsodontnotoungulatehegetotheriidaepachyrukhinaefromthelatemioceneoftheeasterncordillerasaltaprovincenorthwestofargentina
AT candelaadrianam newhypsodontnotoungulatehegetotheriidaepachyrukhinaefromthelatemioceneoftheeasterncordillerasaltaprovincenorthwestofargentina
AT galliclaudiai newhypsodontnotoungulatehegetotheriidaepachyrukhinaefromthelatemioceneoftheeasterncordillerasaltaprovincenorthwestofargentina
AT boniniricardo newhypsodontnotoungulatehegetotheriidaepachyrukhinaefromthelatemioceneoftheeasterncordillerasaltaprovincenorthwestofargentina
AT voglinodamian newhypsodontnotoungulatehegetotheriidaepachyrukhinaefromthelatemioceneoftheeasterncordillerasaltaprovincenorthwestofargentina
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