Ostrácodos (Crustacea) de la formación Allen (Cretácico tardío), Cuenca Neuquina, Argentina

Autores
Carignano, Ana Paula; Varela, Julio Adrián
Año de publicación
2011
Idioma
español castellano
Tipo de recurso
artículo
Estado
versión publicada
Descripción
A new microfossil association was found in the Allen Formation at Loma Puntuda (Neuquén Basin, Río Negro Province, Argentina). It is represented by scarce charophyta and numerous carapaces and valves of ostracods from the families Ilyocyprididae (such as Ilyocypris riograndensis and several species of Neuquenocypris) and Limnocytheridae (with the species Wolburgiopsis neocretacea and Vecticypris sp.). Molluscs, fragments of dinosaur eggshells and a plesiosaur remains had been registered previously in the same profile. This kind of association of non marine with a few marine fauna seems to indicate that the Allen Formation at Loma Puntuda was deposited in a shallow, fresh to oligohaline water body, near the coast.
Dá-se a conhecer uma nova associação de microfósseis para a Formação Allen na localidade de Loma Puntuda (bacia de Neuquén, província de Rio Negro, Argentina). A mesma encontra-se representada por escassas carófitas e numerosas valvas e carapaças de ostracodes pertencentes às famílias Ilyocyprididae (como Ilyocypris riograndensis e várias espécies de Neuquenocypris) e Limnocytheridae (com as espécies Wolburgiopsis neocretacea e Vecticypris sp.). No mesmo perfil foram anteriormente registrados moluscos, fragmentos de cascas de ovo de dinossauros e restos de plesiossauro. Esta mistura de fauna continental com alguns elementos marinhos indica que a Formação Allen, em Loma Puntuda, foi depositada num corpo de água doce a oligohalino, pouco profundo, muito próximo à costa.
Facultad de Ciencias Naturales y Museo
Materia
Ciencias Naturales
Ilyocyprididae
Late campanian-early Maastrichtian
Limnocytheridae
Neuquén Basin
Nivel de accesibilidad
acceso abierto
Condiciones de uso
http://creativecommons.org/licenses/by-nc-sa/4.0/
Repositorio
SEDICI (UNLP)
Institución
Universidad Nacional de La Plata
OAI Identificador
oai:sedici.unlp.edu.ar:10915/84032

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network_name_str SEDICI (UNLP)
spelling Ostrácodos (Crustacea) de la formación Allen (Cretácico tardío), Cuenca Neuquina, ArgentinaOstracodes (Crustacea) from the Allen formation (late cretaceous), Neuquén Basin, ArgentinaCarignano, Ana PaulaVarela, Julio AdriánCiencias NaturalesIlyocyprididaeLate campanian-early MaastrichtianLimnocytheridaeNeuquén BasinA new microfossil association was found in the Allen Formation at Loma Puntuda (Neuquén Basin, Río Negro Province, Argentina). It is represented by scarce charophyta and numerous carapaces and valves of ostracods from the families Ilyocyprididae (such as <i>Ilyocypris riograndensis</i> and several species of <i>Neuquenocypris</i>) and Limnocytheridae (with the species <i>Wolburgiopsis neocretacea</i> and <i>Vecticypris</i> sp.). Molluscs, fragments of dinosaur eggshells and a plesiosaur remains had been registered previously in the same profile. This kind of association of non marine with a few marine fauna seems to indicate that the Allen Formation at Loma Puntuda was deposited in a shallow, fresh to oligohaline water body, near the coast.Dá-se a conhecer uma nova associação de microfósseis para a Formação Allen na localidade de Loma Puntuda (bacia de Neuquén, província de Rio Negro, Argentina). A mesma encontra-se representada por escassas carófitas e numerosas valvas e carapaças de ostracodes pertencentes às famílias Ilyocyprididae (como <i>Ilyocypris riograndensis</i> e várias espécies de <i>Neuquenocypris</i>) e Limnocytheridae (com as espécies <i>Wolburgiopsis neocretacea</i> e <i>Vecticypris</i> sp.). No mesmo perfil foram anteriormente registrados moluscos, fragmentos de cascas de ovo de dinossauros e restos de plesiossauro. Esta mistura de fauna continental com alguns elementos marinhos indica que a Formação Allen, em Loma Puntuda, foi depositada num corpo de água doce a oligohalino, pouco profundo, muito próximo à costa.Facultad de Ciencias Naturales y Museo2011info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionArticulohttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdf169-178http://sedici.unlp.edu.ar/handle/10915/84032spainfo:eu-repo/semantics/altIdentifier/issn/1519-7530info:eu-repo/semantics/altIdentifier/doi/10.4072/rbp.2011.2.05info:eu-repo/semantics/openAccesshttp://creativecommons.org/licenses/by-nc-sa/4.0/Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)reponame:SEDICI (UNLP)instname:Universidad Nacional de La Platainstacron:UNLP2025-10-15T11:08:02Zoai:sedici.unlp.edu.ar:10915/84032Institucionalhttp://sedici.unlp.edu.ar/Universidad públicaNo correspondehttp://sedici.unlp.edu.ar/oai/snrdalira@sedici.unlp.edu.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:13292025-10-15 11:08:02.841SEDICI (UNLP) - Universidad Nacional de La Platafalse
dc.title.none.fl_str_mv Ostrácodos (Crustacea) de la formación Allen (Cretácico tardío), Cuenca Neuquina, Argentina
Ostracodes (Crustacea) from the Allen formation (late cretaceous), Neuquén Basin, Argentina
title Ostrácodos (Crustacea) de la formación Allen (Cretácico tardío), Cuenca Neuquina, Argentina
spellingShingle Ostrácodos (Crustacea) de la formación Allen (Cretácico tardío), Cuenca Neuquina, Argentina
Carignano, Ana Paula
Ciencias Naturales
Ilyocyprididae
Late campanian-early Maastrichtian
Limnocytheridae
Neuquén Basin
title_short Ostrácodos (Crustacea) de la formación Allen (Cretácico tardío), Cuenca Neuquina, Argentina
title_full Ostrácodos (Crustacea) de la formación Allen (Cretácico tardío), Cuenca Neuquina, Argentina
title_fullStr Ostrácodos (Crustacea) de la formación Allen (Cretácico tardío), Cuenca Neuquina, Argentina
title_full_unstemmed Ostrácodos (Crustacea) de la formación Allen (Cretácico tardío), Cuenca Neuquina, Argentina
title_sort Ostrácodos (Crustacea) de la formación Allen (Cretácico tardío), Cuenca Neuquina, Argentina
dc.creator.none.fl_str_mv Carignano, Ana Paula
Varela, Julio Adrián
author Carignano, Ana Paula
author_facet Carignano, Ana Paula
Varela, Julio Adrián
author_role author
author2 Varela, Julio Adrián
author2_role author
dc.subject.none.fl_str_mv Ciencias Naturales
Ilyocyprididae
Late campanian-early Maastrichtian
Limnocytheridae
Neuquén Basin
topic Ciencias Naturales
Ilyocyprididae
Late campanian-early Maastrichtian
Limnocytheridae
Neuquén Basin
dc.description.none.fl_txt_mv A new microfossil association was found in the Allen Formation at Loma Puntuda (Neuquén Basin, Río Negro Province, Argentina). It is represented by scarce charophyta and numerous carapaces and valves of ostracods from the families Ilyocyprididae (such as <i>Ilyocypris riograndensis</i> and several species of <i>Neuquenocypris</i>) and Limnocytheridae (with the species <i>Wolburgiopsis neocretacea</i> and <i>Vecticypris</i> sp.). Molluscs, fragments of dinosaur eggshells and a plesiosaur remains had been registered previously in the same profile. This kind of association of non marine with a few marine fauna seems to indicate that the Allen Formation at Loma Puntuda was deposited in a shallow, fresh to oligohaline water body, near the coast.
Dá-se a conhecer uma nova associação de microfósseis para a Formação Allen na localidade de Loma Puntuda (bacia de Neuquén, província de Rio Negro, Argentina). A mesma encontra-se representada por escassas carófitas e numerosas valvas e carapaças de ostracodes pertencentes às famílias Ilyocyprididae (como <i>Ilyocypris riograndensis</i> e várias espécies de <i>Neuquenocypris</i>) e Limnocytheridae (com as espécies <i>Wolburgiopsis neocretacea</i> e <i>Vecticypris</i> sp.). No mesmo perfil foram anteriormente registrados moluscos, fragmentos de cascas de ovo de dinossauros e restos de plesiossauro. Esta mistura de fauna continental com alguns elementos marinhos indica que a Formação Allen, em Loma Puntuda, foi depositada num corpo de água doce a oligohalino, pouco profundo, muito próximo à costa.
Facultad de Ciencias Naturales y Museo
description A new microfossil association was found in the Allen Formation at Loma Puntuda (Neuquén Basin, Río Negro Province, Argentina). It is represented by scarce charophyta and numerous carapaces and valves of ostracods from the families Ilyocyprididae (such as <i>Ilyocypris riograndensis</i> and several species of <i>Neuquenocypris</i>) and Limnocytheridae (with the species <i>Wolburgiopsis neocretacea</i> and <i>Vecticypris</i> sp.). Molluscs, fragments of dinosaur eggshells and a plesiosaur remains had been registered previously in the same profile. This kind of association of non marine with a few marine fauna seems to indicate that the Allen Formation at Loma Puntuda was deposited in a shallow, fresh to oligohaline water body, near the coast.
publishDate 2011
dc.date.none.fl_str_mv 2011
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
dc.identifier.none.fl_str_mv http://sedici.unlp.edu.ar/handle/10915/84032
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dc.language.none.fl_str_mv spa
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dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/issn/1519-7530
info:eu-repo/semantics/altIdentifier/doi/10.4072/rbp.2011.2.05
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
http://creativecommons.org/licenses/by-nc-sa/4.0/
Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)
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rights_invalid_str_mv http://creativecommons.org/licenses/by-nc-sa/4.0/
Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)
dc.format.none.fl_str_mv application/pdf
169-178
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