Middle Cenozoic penguin remains from the Patagonian Cordillera

Middle Cenozolc marine fossil-bearing beds crop out in the Cerro Plataforma (western Chubut Province. Argentina) at about 1,400 m a.s.l. They are located 500 km far from the modern Atlantic coast and only 50 km from the Pacific Ocean. Well preserved penguin bones and a shark tooth were found therein...

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Autores principales: Acosta Hospitaleche,Carolina, Griffin,Miguel, Asensio,Marcos, Cione,Alberto Luis, Tambussi,Claudia
Lenguaje:English
Publicado: Servicio Nacional de Geología y Minería (SERNAGEOMIN) 2013
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Acceso en línea:http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-71062013000300005
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spelling oai:scielo:S0718-710620130003000052014-03-03Middle Cenozoic penguin remains from the Patagonian CordilleraAcosta Hospitaleche,CarolinaGriffin,MiguelAsensio,MarcosCione,Alberto LuisTambussi,Claudia Spheniscidae Miocene Oligocene Patagonia South America Middle Cenozolc marine fossil-bearing beds crop out in the Cerro Plataforma (western Chubut Province. Argentina) at about 1,400 m a.s.l. They are located 500 km far from the modern Atlantic coast and only 50 km from the Pacific Ocean. Well preserved penguin bones and a shark tooth were found therein. Invertebrates include corals, bryozoans, abundant mollusks, echinoids, and crabs. Morphogeometric analysis and comparative description confirmed that the penguin humerus is referable to Palaeospheniscus bergi Moreno and Mercerat, 1891. Most of the fossils indicate a Miocene age. However, there is a debate about if the bearing beds are of Pacific or Atlantic origin. Fossil invertebrates identifiable at species level reveal Pacific affinity, the shark species is cosmopolitan, and Palaeospheniscus bergi is known from early Miocene Atlantic units of southern South America. Yet, Palaeospheniscus Moreno and Mercerat, 1891 is also known from Miocene Pacific beds but it has not been identified at specific level yet. This is the highest site in topographic terms in which penguin fossils occur. This indicates a remarkable uplift for the area, probably from the middle Miocene.info:eu-repo/semantics/openAccessServicio Nacional de Geología y Minería (SERNAGEOMIN)Andean geology v.40 n.3 20132013-09-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-71062013000300005en
institution Scielo Chile
collection Scielo Chile
language English
topic Spheniscidae
Miocene
Oligocene
Patagonia
South America
spellingShingle Spheniscidae
Miocene
Oligocene
Patagonia
South America
Acosta Hospitaleche,Carolina
Griffin,Miguel
Asensio,Marcos
Cione,Alberto Luis
Tambussi,Claudia
Middle Cenozoic penguin remains from the Patagonian Cordillera
description Middle Cenozolc marine fossil-bearing beds crop out in the Cerro Plataforma (western Chubut Province. Argentina) at about 1,400 m a.s.l. They are located 500 km far from the modern Atlantic coast and only 50 km from the Pacific Ocean. Well preserved penguin bones and a shark tooth were found therein. Invertebrates include corals, bryozoans, abundant mollusks, echinoids, and crabs. Morphogeometric analysis and comparative description confirmed that the penguin humerus is referable to Palaeospheniscus bergi Moreno and Mercerat, 1891. Most of the fossils indicate a Miocene age. However, there is a debate about if the bearing beds are of Pacific or Atlantic origin. Fossil invertebrates identifiable at species level reveal Pacific affinity, the shark species is cosmopolitan, and Palaeospheniscus bergi is known from early Miocene Atlantic units of southern South America. Yet, Palaeospheniscus Moreno and Mercerat, 1891 is also known from Miocene Pacific beds but it has not been identified at specific level yet. This is the highest site in topographic terms in which penguin fossils occur. This indicates a remarkable uplift for the area, probably from the middle Miocene.
author Acosta Hospitaleche,Carolina
Griffin,Miguel
Asensio,Marcos
Cione,Alberto Luis
Tambussi,Claudia
author_facet Acosta Hospitaleche,Carolina
Griffin,Miguel
Asensio,Marcos
Cione,Alberto Luis
Tambussi,Claudia
author_sort Acosta Hospitaleche,Carolina
title Middle Cenozoic penguin remains from the Patagonian Cordillera
title_short Middle Cenozoic penguin remains from the Patagonian Cordillera
title_full Middle Cenozoic penguin remains from the Patagonian Cordillera
title_fullStr Middle Cenozoic penguin remains from the Patagonian Cordillera
title_full_unstemmed Middle Cenozoic penguin remains from the Patagonian Cordillera
title_sort middle cenozoic penguin remains from the patagonian cordillera
publisher Servicio Nacional de Geología y Minería (SERNAGEOMIN)
publishDate 2013
url http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-71062013000300005
work_keys_str_mv AT acostahospitalechecarolina middlecenozoicpenguinremainsfromthepatagoniancordillera
AT griffinmiguel middlecenozoicpenguinremainsfromthepatagoniancordillera
AT asensiomarcos middlecenozoicpenguinremainsfromthepatagoniancordillera
AT cionealbertoluis middlecenozoicpenguinremainsfromthepatagoniancordillera
AT tambussiclaudia middlecenozoicpenguinremainsfromthepatagoniancordillera
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