A 60-million-year Cenozoic history of western Amazonian ecosystems in Contamana, eastern Peru
- Autores
- Antoine, Pierre Olivier; Abello, María Alejandra; Adnet, Sylvain; Altamirano Sierra, Ali J.; Baby, Patrice; Billet, Guillaume; Boivin, Myriam; Calderón, Ysabel; Candela, Adriana Magdalena; Chabain, Jules; Corfu, Fernando; Croft, Darin; Ganerød, Morgan; Jaramillo, Carlos; Klaus, Sebastian; Marivaux, Laurent; Navarrete, Rosa E.; Orliac, Maeva Judith; Parra, Francisco; Pérez, María Encarnación; Pujos, François Roger Francis; Rage, Jean-Claude; Ravel, Anthony; Robinet, Celine; Roddaz, Martin; Tejada Lara, Julia Victoria; Vélez Juarbe, Jorge; Wesselingh, Frank P.; Salas Gismondi, Rodolfo
- Año de publicación
- 2016
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- We provide a synopsis of ~. 60 million years of life history in Neotropical lowlands, based on a comprehensive survey of the Cenozoic deposits along the Quebrada Cachiyacu near Contamana in Peruvian Amazonia. The 34 fossil-bearing localities identified have yielded a diversity of fossil remains, including vertebrates, mollusks, arthropods, plant fossils, and microorganisms, ranging from the early Paleocene to the late Miocene-?Pliocene (>. 20 successive levels). This Cenozoic series includes the base of the Huchpayacu Formation (Fm.; early Paleocene; lacustrine/fluvial environments; charophyte-dominated assemblage), the Pozo Fm. (middle + ?late Eocene; marine then freshwater environments; most diversified biomes), and complete sections for the Chambira Fm. (late Oligocene-late early Miocene; freshwater environments; vertebrate-dominated faunas), the Pebas Fm. (late early to early late Miocene; freshwater environments with an increasing marine influence; excellent fossil record), and Ipururo Fm. (late Miocene-?Pliocene; fully fluvial environments; virtually no fossils preserved). At least 485 fossil species are recognized in the Contamana area (~. 250 'plants', ~. 212 animals, and 23 foraminifera). Based on taxonomic lists from each stratigraphic interval, high-level taxonomic diversity remained fairly constant throughout the middle Eocene-Miocene interval (8-12 classes), ordinal diversity fluctuated to a greater degree, and family/species diversity generally declined, with a drastic drop in the early Miocene. The Paleocene-?Pliocene fossil assemblages from Contamana attest at least to four biogeographic histories inherited from (i) Mesozoic Gondwanan times, (ii) the Panamerican realm prior to (iii) the time of South America's Cenozoic "splendid isolation", and (iv) Neotropical ecosystems in the Americas. No direct evidence of any North American terrestrial immigrant has yet been recognized in the Miocene record at Contamana.
Fil: Antoine, Pierre Olivier. Université de Montpellier; Francia
Fil: Abello, María Alejandra. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Museo de la Plata; Argentina
Fil: Adnet, Sylvain. Université de Montpellier; Francia
Fil: Altamirano Sierra, Ali J.. Universidad Nacional Mayor de San Marcos; Perú
Fil: Baby, Patrice. Université de Toulouse; Francia. Institut de Recherche Pour Le Développement; Perú
Fil: Billet, Guillaume. Muséum National d'Histoire Naturelle; Francia
Fil: Boivin, Myriam. Université de Montpellier; Francia. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Calderón, Ysabel. Université de Toulouse; Francia. Institut de Recherche Pour Le Développement; Perú
Fil: Candela, Adriana Magdalena. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo; Argentina
Fil: Chabain, Jules. Université de Montpellier; Francia
Fil: Corfu, Fernando. University of Oslo; Noruega
Fil: Croft, Darin. Case Western Reserve University; Estados Unidos
Fil: Ganerød, Morgan. Norges Geologiske Undersekelse; Noruega
Fil: Jaramillo, Carlos. Smithsonian Tropical Research Institute; Panamá
Fil: Klaus, Sebastian. Goethe Universitat Frankfurt; Alemania
Fil: Marivaux, Laurent. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Université de Montpellier; Francia
Fil: Navarrete, Rosa E.. Paleosedes E. U.; Colombia
Fil: Orliac, Maeva Judith. Université de Montpellier; Francia. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Parra, Francisco. Université de Toulouse; Francia. Paleosedes E. U.; Colombia
Fil: Pérez, María Encarnación. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Museo Paleontológico Egidio Feruglio; Argentina
Fil: Pujos, François Roger Francis. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales. Provincia de Mendoza. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales. Universidad Nacional de Cuyo. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales; Argentina
Fil: Rage, Jean-Claude. Muséum National d'Histoire Naturelle; Francia
Fil: Ravel, Anthony. Université Montpellier II; Francia
Fil: Robinet, Celine. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Université Montpellier II; Francia. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo; Argentina
Fil: Roddaz, Martin. Université de Toulouse; Francia
Fil: Tejada Lara, Julia Victoria. American Museum of Natural History; Estados Unidos. Universidad Nacional Mayor de San Marcos; Perú
Fil: Vélez Juarbe, Jorge. National Museum of Natural History; Estados Unidos
Fil: Wesselingh, Frank P.. Naturalis Biodiversity Center; Países Bajos
Fil: Salas Gismondi, Rodolfo. Université de Montpellier; Francia. Universidad Nacional Mayor de San Marcos; Perú - Materia
-
FOSSIL RECORD
PALEOBIOLOGY
PALEOGEOGRAPHY
SOUTH AMERICA
STRATIGRAPHY - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
- Repositorio
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/99030
Ver los metadatos del registro completo
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A 60-million-year Cenozoic history of western Amazonian ecosystems in Contamana, eastern PeruAntoine, Pierre OlivierAbello, María AlejandraAdnet, SylvainAltamirano Sierra, Ali J.Baby, PatriceBillet, GuillaumeBoivin, MyriamCalderón, YsabelCandela, Adriana MagdalenaChabain, JulesCorfu, FernandoCroft, DarinGanerød, MorganJaramillo, CarlosKlaus, SebastianMarivaux, LaurentNavarrete, Rosa E.Orliac, Maeva JudithParra, FranciscoPérez, María EncarnaciónPujos, François Roger FrancisRage, Jean-ClaudeRavel, AnthonyRobinet, CelineRoddaz, MartinTejada Lara, Julia VictoriaVélez Juarbe, JorgeWesselingh, Frank P.Salas Gismondi, RodolfoFOSSIL RECORDPALEOBIOLOGYPALEOGEOGRAPHYSOUTH AMERICASTRATIGRAPHYhttps://purl.org/becyt/ford/1.5https://purl.org/becyt/ford/1We provide a synopsis of ~. 60 million years of life history in Neotropical lowlands, based on a comprehensive survey of the Cenozoic deposits along the Quebrada Cachiyacu near Contamana in Peruvian Amazonia. The 34 fossil-bearing localities identified have yielded a diversity of fossil remains, including vertebrates, mollusks, arthropods, plant fossils, and microorganisms, ranging from the early Paleocene to the late Miocene-?Pliocene (>. 20 successive levels). This Cenozoic series includes the base of the Huchpayacu Formation (Fm.; early Paleocene; lacustrine/fluvial environments; charophyte-dominated assemblage), the Pozo Fm. (middle + ?late Eocene; marine then freshwater environments; most diversified biomes), and complete sections for the Chambira Fm. (late Oligocene-late early Miocene; freshwater environments; vertebrate-dominated faunas), the Pebas Fm. (late early to early late Miocene; freshwater environments with an increasing marine influence; excellent fossil record), and Ipururo Fm. (late Miocene-?Pliocene; fully fluvial environments; virtually no fossils preserved). At least 485 fossil species are recognized in the Contamana area (~. 250 'plants', ~. 212 animals, and 23 foraminifera). Based on taxonomic lists from each stratigraphic interval, high-level taxonomic diversity remained fairly constant throughout the middle Eocene-Miocene interval (8-12 classes), ordinal diversity fluctuated to a greater degree, and family/species diversity generally declined, with a drastic drop in the early Miocene. The Paleocene-?Pliocene fossil assemblages from Contamana attest at least to four biogeographic histories inherited from (i) Mesozoic Gondwanan times, (ii) the Panamerican realm prior to (iii) the time of South America's Cenozoic "splendid isolation", and (iv) Neotropical ecosystems in the Americas. No direct evidence of any North American terrestrial immigrant has yet been recognized in the Miocene record at Contamana.Fil: Antoine, Pierre Olivier. Université de Montpellier; FranciaFil: Abello, María Alejandra. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Museo de la Plata; ArgentinaFil: Adnet, Sylvain. Université de Montpellier; FranciaFil: Altamirano Sierra, Ali J.. Universidad Nacional Mayor de San Marcos; PerúFil: Baby, Patrice. Université de Toulouse; Francia. Institut de Recherche Pour Le Développement; PerúFil: Billet, Guillaume. Muséum National d'Histoire Naturelle; FranciaFil: Boivin, Myriam. Université de Montpellier; Francia. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Calderón, Ysabel. Université de Toulouse; Francia. Institut de Recherche Pour Le Développement; PerúFil: Candela, Adriana Magdalena. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo; ArgentinaFil: Chabain, Jules. Université de Montpellier; FranciaFil: Corfu, Fernando. University of Oslo; NoruegaFil: Croft, Darin. Case Western Reserve University; Estados UnidosFil: Ganerød, Morgan. Norges Geologiske Undersekelse; NoruegaFil: Jaramillo, Carlos. Smithsonian Tropical Research Institute; PanamáFil: Klaus, Sebastian. Goethe Universitat Frankfurt; AlemaniaFil: Marivaux, Laurent. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Université de Montpellier; FranciaFil: Navarrete, Rosa E.. Paleosedes E. U.; ColombiaFil: Orliac, Maeva Judith. Université de Montpellier; Francia. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Parra, Francisco. Université de Toulouse; Francia. Paleosedes E. U.; ColombiaFil: Pérez, María Encarnación. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Museo Paleontológico Egidio Feruglio; ArgentinaFil: Pujos, François Roger Francis. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales. Provincia de Mendoza. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales. Universidad Nacional de Cuyo. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales; ArgentinaFil: Rage, Jean-Claude. Muséum National d'Histoire Naturelle; FranciaFil: Ravel, Anthony. Université Montpellier II; FranciaFil: Robinet, Celine. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Université Montpellier II; Francia. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo; ArgentinaFil: Roddaz, Martin. Université de Toulouse; FranciaFil: Tejada Lara, Julia Victoria. American Museum of Natural History; Estados Unidos. Universidad Nacional Mayor de San Marcos; PerúFil: Vélez Juarbe, Jorge. National Museum of Natural History; Estados UnidosFil: Wesselingh, Frank P.. Naturalis Biodiversity Center; Países BajosFil: Salas Gismondi, Rodolfo. Université de Montpellier; Francia. Universidad Nacional Mayor de San Marcos; PerúElsevier Science2016-03info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfapplication/pdfapplication/pdfapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/99030Antoine, Pierre Olivier; Abello, María Alejandra; Adnet, Sylvain; Altamirano Sierra, Ali J.; Baby, Patrice; et al.; A 60-million-year Cenozoic history of western Amazonian ecosystems in Contamana, eastern Peru; Elsevier Science; Gondwana Research; 31; 3-2016; 30-591342-937XCONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.1016/j.gr.2015.11.001info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S1342937X15002543?via%3Dihubinfo:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-03T10:09:03Zoai:ri.conicet.gov.ar:11336/99030instacron: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:34982025-09-03 10:09:04.025CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
A 60-million-year Cenozoic history of western Amazonian ecosystems in Contamana, eastern Peru |
title |
A 60-million-year Cenozoic history of western Amazonian ecosystems in Contamana, eastern Peru |
spellingShingle |
A 60-million-year Cenozoic history of western Amazonian ecosystems in Contamana, eastern Peru Antoine, Pierre Olivier FOSSIL RECORD PALEOBIOLOGY PALEOGEOGRAPHY SOUTH AMERICA STRATIGRAPHY |
title_short |
A 60-million-year Cenozoic history of western Amazonian ecosystems in Contamana, eastern Peru |
title_full |
A 60-million-year Cenozoic history of western Amazonian ecosystems in Contamana, eastern Peru |
title_fullStr |
A 60-million-year Cenozoic history of western Amazonian ecosystems in Contamana, eastern Peru |
title_full_unstemmed |
A 60-million-year Cenozoic history of western Amazonian ecosystems in Contamana, eastern Peru |
title_sort |
A 60-million-year Cenozoic history of western Amazonian ecosystems in Contamana, eastern Peru |
dc.creator.none.fl_str_mv |
Antoine, Pierre Olivier Abello, María Alejandra Adnet, Sylvain Altamirano Sierra, Ali J. Baby, Patrice Billet, Guillaume Boivin, Myriam Calderón, Ysabel Candela, Adriana Magdalena Chabain, Jules Corfu, Fernando Croft, Darin Ganerød, Morgan Jaramillo, Carlos Klaus, Sebastian Marivaux, Laurent Navarrete, Rosa E. Orliac, Maeva Judith Parra, Francisco Pérez, María Encarnación Pujos, François Roger Francis Rage, Jean-Claude Ravel, Anthony Robinet, Celine Roddaz, Martin Tejada Lara, Julia Victoria Vélez Juarbe, Jorge Wesselingh, Frank P. Salas Gismondi, Rodolfo |
author |
Antoine, Pierre Olivier |
author_facet |
Antoine, Pierre Olivier Abello, María Alejandra Adnet, Sylvain Altamirano Sierra, Ali J. Baby, Patrice Billet, Guillaume Boivin, Myriam Calderón, Ysabel Candela, Adriana Magdalena Chabain, Jules Corfu, Fernando Croft, Darin Ganerød, Morgan Jaramillo, Carlos Klaus, Sebastian Marivaux, Laurent Navarrete, Rosa E. Orliac, Maeva Judith Parra, Francisco Pérez, María Encarnación Pujos, François Roger Francis Rage, Jean-Claude Ravel, Anthony Robinet, Celine Roddaz, Martin Tejada Lara, Julia Victoria Vélez Juarbe, Jorge Wesselingh, Frank P. Salas Gismondi, Rodolfo |
author_role |
author |
author2 |
Abello, María Alejandra Adnet, Sylvain Altamirano Sierra, Ali J. Baby, Patrice Billet, Guillaume Boivin, Myriam Calderón, Ysabel Candela, Adriana Magdalena Chabain, Jules Corfu, Fernando Croft, Darin Ganerød, Morgan Jaramillo, Carlos Klaus, Sebastian Marivaux, Laurent Navarrete, Rosa E. Orliac, Maeva Judith Parra, Francisco Pérez, María Encarnación Pujos, François Roger Francis Rage, Jean-Claude Ravel, Anthony Robinet, Celine Roddaz, Martin Tejada Lara, Julia Victoria Vélez Juarbe, Jorge Wesselingh, Frank P. Salas Gismondi, Rodolfo |
author2_role |
author author author author author author author author author author author author author author author author author author author author author author author author author author author author |
dc.subject.none.fl_str_mv |
FOSSIL RECORD PALEOBIOLOGY PALEOGEOGRAPHY SOUTH AMERICA STRATIGRAPHY |
topic |
FOSSIL RECORD PALEOBIOLOGY PALEOGEOGRAPHY SOUTH AMERICA STRATIGRAPHY |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/1.5 https://purl.org/becyt/ford/1 |
dc.description.none.fl_txt_mv |
We provide a synopsis of ~. 60 million years of life history in Neotropical lowlands, based on a comprehensive survey of the Cenozoic deposits along the Quebrada Cachiyacu near Contamana in Peruvian Amazonia. The 34 fossil-bearing localities identified have yielded a diversity of fossil remains, including vertebrates, mollusks, arthropods, plant fossils, and microorganisms, ranging from the early Paleocene to the late Miocene-?Pliocene (>. 20 successive levels). This Cenozoic series includes the base of the Huchpayacu Formation (Fm.; early Paleocene; lacustrine/fluvial environments; charophyte-dominated assemblage), the Pozo Fm. (middle + ?late Eocene; marine then freshwater environments; most diversified biomes), and complete sections for the Chambira Fm. (late Oligocene-late early Miocene; freshwater environments; vertebrate-dominated faunas), the Pebas Fm. (late early to early late Miocene; freshwater environments with an increasing marine influence; excellent fossil record), and Ipururo Fm. (late Miocene-?Pliocene; fully fluvial environments; virtually no fossils preserved). At least 485 fossil species are recognized in the Contamana area (~. 250 'plants', ~. 212 animals, and 23 foraminifera). Based on taxonomic lists from each stratigraphic interval, high-level taxonomic diversity remained fairly constant throughout the middle Eocene-Miocene interval (8-12 classes), ordinal diversity fluctuated to a greater degree, and family/species diversity generally declined, with a drastic drop in the early Miocene. The Paleocene-?Pliocene fossil assemblages from Contamana attest at least to four biogeographic histories inherited from (i) Mesozoic Gondwanan times, (ii) the Panamerican realm prior to (iii) the time of South America's Cenozoic "splendid isolation", and (iv) Neotropical ecosystems in the Americas. No direct evidence of any North American terrestrial immigrant has yet been recognized in the Miocene record at Contamana. Fil: Antoine, Pierre Olivier. Université de Montpellier; Francia Fil: Abello, María Alejandra. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Museo de la Plata; Argentina Fil: Adnet, Sylvain. Université de Montpellier; Francia Fil: Altamirano Sierra, Ali J.. Universidad Nacional Mayor de San Marcos; Perú Fil: Baby, Patrice. Université de Toulouse; Francia. Institut de Recherche Pour Le Développement; Perú Fil: Billet, Guillaume. Muséum National d'Histoire Naturelle; Francia Fil: Boivin, Myriam. Université de Montpellier; Francia. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Calderón, Ysabel. Université de Toulouse; Francia. Institut de Recherche Pour Le Développement; Perú Fil: Candela, Adriana Magdalena. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo; Argentina Fil: Chabain, Jules. Université de Montpellier; Francia Fil: Corfu, Fernando. University of Oslo; Noruega Fil: Croft, Darin. Case Western Reserve University; Estados Unidos Fil: Ganerød, Morgan. Norges Geologiske Undersekelse; Noruega Fil: Jaramillo, Carlos. Smithsonian Tropical Research Institute; Panamá Fil: Klaus, Sebastian. Goethe Universitat Frankfurt; Alemania Fil: Marivaux, Laurent. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Université de Montpellier; Francia Fil: Navarrete, Rosa E.. Paleosedes E. U.; Colombia Fil: Orliac, Maeva Judith. Université de Montpellier; Francia. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Parra, Francisco. Université de Toulouse; Francia. Paleosedes E. U.; Colombia Fil: Pérez, María Encarnación. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Museo Paleontológico Egidio Feruglio; Argentina Fil: Pujos, François Roger Francis. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales. Provincia de Mendoza. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales. Universidad Nacional de Cuyo. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales; Argentina Fil: Rage, Jean-Claude. Muséum National d'Histoire Naturelle; Francia Fil: Ravel, Anthony. Université Montpellier II; Francia Fil: Robinet, Celine. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Université Montpellier II; Francia. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo; Argentina Fil: Roddaz, Martin. Université de Toulouse; Francia Fil: Tejada Lara, Julia Victoria. American Museum of Natural History; Estados Unidos. Universidad Nacional Mayor de San Marcos; Perú Fil: Vélez Juarbe, Jorge. National Museum of Natural History; Estados Unidos Fil: Wesselingh, Frank P.. Naturalis Biodiversity Center; Países Bajos Fil: Salas Gismondi, Rodolfo. Université de Montpellier; Francia. Universidad Nacional Mayor de San Marcos; Perú |
description |
We provide a synopsis of ~. 60 million years of life history in Neotropical lowlands, based on a comprehensive survey of the Cenozoic deposits along the Quebrada Cachiyacu near Contamana in Peruvian Amazonia. The 34 fossil-bearing localities identified have yielded a diversity of fossil remains, including vertebrates, mollusks, arthropods, plant fossils, and microorganisms, ranging from the early Paleocene to the late Miocene-?Pliocene (>. 20 successive levels). This Cenozoic series includes the base of the Huchpayacu Formation (Fm.; early Paleocene; lacustrine/fluvial environments; charophyte-dominated assemblage), the Pozo Fm. (middle + ?late Eocene; marine then freshwater environments; most diversified biomes), and complete sections for the Chambira Fm. (late Oligocene-late early Miocene; freshwater environments; vertebrate-dominated faunas), the Pebas Fm. (late early to early late Miocene; freshwater environments with an increasing marine influence; excellent fossil record), and Ipururo Fm. (late Miocene-?Pliocene; fully fluvial environments; virtually no fossils preserved). At least 485 fossil species are recognized in the Contamana area (~. 250 'plants', ~. 212 animals, and 23 foraminifera). Based on taxonomic lists from each stratigraphic interval, high-level taxonomic diversity remained fairly constant throughout the middle Eocene-Miocene interval (8-12 classes), ordinal diversity fluctuated to a greater degree, and family/species diversity generally declined, with a drastic drop in the early Miocene. The Paleocene-?Pliocene fossil assemblages from Contamana attest at least to four biogeographic histories inherited from (i) Mesozoic Gondwanan times, (ii) the Panamerican realm prior to (iii) the time of South America's Cenozoic "splendid isolation", and (iv) Neotropical ecosystems in the Americas. No direct evidence of any North American terrestrial immigrant has yet been recognized in the Miocene record at Contamana. |
publishDate |
2016 |
dc.date.none.fl_str_mv |
2016-03 |
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/11336/99030 Antoine, Pierre Olivier; Abello, María Alejandra; Adnet, Sylvain; Altamirano Sierra, Ali J.; Baby, Patrice; et al.; A 60-million-year Cenozoic history of western Amazonian ecosystems in Contamana, eastern Peru; Elsevier Science; Gondwana Research; 31; 3-2016; 30-59 1342-937X CONICET Digital CONICET |
url |
http://hdl.handle.net/11336/99030 |
identifier_str_mv |
Antoine, Pierre Olivier; Abello, María Alejandra; Adnet, Sylvain; Altamirano Sierra, Ali J.; Baby, Patrice; et al.; A 60-million-year Cenozoic history of western Amazonian ecosystems in Contamana, eastern Peru; Elsevier Science; Gondwana Research; 31; 3-2016; 30-59 1342-937X CONICET Digital CONICET |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/doi/10.1016/j.gr.2015.11.001 info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S1342937X15002543?via%3Dihub |
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 application/pdf application/pdf application/pdf application/pdf application/pdf |
dc.publisher.none.fl_str_mv |
Elsevier Science |
publisher.none.fl_str_mv |
Elsevier Science |
dc.source.none.fl_str_mv |
reponame:CONICET Digital (CONICET) instname:Consejo Nacional de Investigaciones Científicas y Técnicas |
reponame_str |
CONICET Digital (CONICET) |
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CONICET Digital (CONICET) |
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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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1842270067578896384 |
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13.13397 |