Before and after the K/Pg extinction in West Antarctica: New marine fish records from Marambio (Seymour) Island

Autores
Cione, Alberto Luis; Santillana, Sergio; Gouiric Cavalli, Soledad; Acosta Hospitaleche, Carolina Ileana Alicia; Gelfo, Javier Nicolás; López, Guillermo Marcos; Reguero, Marcelo Alfredo
Año de publicación
2018
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
An ichthyofauna recovered from the L opez de Bertodano Formation at Units 9 (uppermost Maastrichtian) and 10 (lowermost Danian) and the Sobral Formation (Danian), in Marambio (Seymour) Island in the James Ross Basin is described and analyzed herein. A review of previously described taxa based on the new material and several new fish records for the L opez de Bertodano Formation is provided, including the youngest record of Enchodus and the first Cretaceous evidence of Pachycormiformes.We also identify the first Paleocene fishes for the continent. The new information and the reinterpretation of previous Cretaceous records show that there was no decline in fish diversity until the CretaceousePaleogene (K/ Pg) boundary in the area and extinction event appears to have been rapid. Finally, we find that the distribution of some chondrichthyans and teleosts in the James Ross Basin appears to be climatically determined.
Facultad de Ciencias Naturales y Museo
Consejo Nacional de Investigaciones Científicas y Técnicas
Materia
Ciencias Naturales
Antarctic Peninsula
James Ross Basin
Chondrichthyes
Teleostei
Maastrichtian
Danian
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:10915/147537
Acceder
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oai_identifier_str oai:sedici.unlp.edu.ar:10915/147537
network_acronym_str SEDICI
repository_id_str 1329
network_name_str SEDICI (UNLP)
spelling Before and after the K/Pg extinction in West Antarctica: New marine fish records from Marambio (Seymour) IslandCione, Alberto LuisSantillana, SergioGouiric Cavalli, SoledadAcosta Hospitaleche, Carolina Ileana AliciaGelfo, Javier NicolásLópez, Guillermo MarcosReguero, Marcelo AlfredoCiencias NaturalesAntarctic PeninsulaJames Ross BasinChondrichthyesTeleosteiMaastrichtianDanianAn ichthyofauna recovered from the L opez de Bertodano Formation at Units 9 (uppermost Maastrichtian) and 10 (lowermost Danian) and the Sobral Formation (Danian), in Marambio (Seymour) Island in the James Ross Basin is described and analyzed herein. A review of previously described taxa based on the new material and several new fish records for the L opez de Bertodano Formation is provided, including the youngest record of Enchodus and the first Cretaceous evidence of Pachycormiformes.We also identify the first Paleocene fishes for the continent. The new information and the reinterpretation of previous Cretaceous records show that there was no decline in fish diversity until the CretaceousePaleogene (K/ Pg) boundary in the area and extinction event appears to have been rapid. Finally, we find that the distribution of some chondrichthyans and teleosts in the James Ross Basin appears to be climatically determined.Facultad de Ciencias Naturales y MuseoConsejo Nacional de Investigaciones Científicas y Técnicas2018info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionArticulohttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdf250-265http://sedici.unlp.edu.ar/handle/10915/147537enginfo:eu-repo/semantics/altIdentifier/issn/0195-6671info:eu-repo/semantics/altIdentifier/doi/10.1016/j.cretres.2018.01.004info: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:UNLP2025-09-29T11:37:42Zoai:sedici.unlp.edu.ar:10915/147537Institucionalhttp://sedici.unlp.edu.ar/Universidad públicaNo correspondehttp://sedici.unlp.edu.ar/oai/snrdalira@sedici.unlp.edu.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:13292025-09-29 11:37:42.488SEDICI (UNLP) - Universidad Nacional de La Platafalse
dc.title.none.fl_str_mv Before and after the K/Pg extinction in West Antarctica: New marine fish records from Marambio (Seymour) Island
title Before and after the K/Pg extinction in West Antarctica: New marine fish records from Marambio (Seymour) Island
spellingShingle Before and after the K/Pg extinction in West Antarctica: New marine fish records from Marambio (Seymour) Island
Cione, Alberto Luis
Ciencias Naturales
Antarctic Peninsula
James Ross Basin
Chondrichthyes
Teleostei
Maastrichtian
Danian
title_short Before and after the K/Pg extinction in West Antarctica: New marine fish records from Marambio (Seymour) Island
title_full Before and after the K/Pg extinction in West Antarctica: New marine fish records from Marambio (Seymour) Island
title_fullStr Before and after the K/Pg extinction in West Antarctica: New marine fish records from Marambio (Seymour) Island
title_full_unstemmed Before and after the K/Pg extinction in West Antarctica: New marine fish records from Marambio (Seymour) Island
title_sort Before and after the K/Pg extinction in West Antarctica: New marine fish records from Marambio (Seymour) Island
dc.creator.none.fl_str_mv Cione, Alberto Luis
Santillana, Sergio
Gouiric Cavalli, Soledad
Acosta Hospitaleche, Carolina Ileana Alicia
Gelfo, Javier Nicolás
López, Guillermo Marcos
Reguero, Marcelo Alfredo
author Cione, Alberto Luis
author_facet Cione, Alberto Luis
Santillana, Sergio
Gouiric Cavalli, Soledad
Acosta Hospitaleche, Carolina Ileana Alicia
Gelfo, Javier Nicolás
López, Guillermo Marcos
Reguero, Marcelo Alfredo
author_role author
author2 Santillana, Sergio
Gouiric Cavalli, Soledad
Acosta Hospitaleche, Carolina Ileana Alicia
Gelfo, Javier Nicolás
López, Guillermo Marcos
Reguero, Marcelo Alfredo
author2_role author
author
author
author
author
author
dc.subject.none.fl_str_mv Ciencias Naturales
Antarctic Peninsula
James Ross Basin
Chondrichthyes
Teleostei
Maastrichtian
Danian
topic Ciencias Naturales
Antarctic Peninsula
James Ross Basin
Chondrichthyes
Teleostei
Maastrichtian
Danian
dc.description.none.fl_txt_mv An ichthyofauna recovered from the L opez de Bertodano Formation at Units 9 (uppermost Maastrichtian) and 10 (lowermost Danian) and the Sobral Formation (Danian), in Marambio (Seymour) Island in the James Ross Basin is described and analyzed herein. A review of previously described taxa based on the new material and several new fish records for the L opez de Bertodano Formation is provided, including the youngest record of Enchodus and the first Cretaceous evidence of Pachycormiformes.We also identify the first Paleocene fishes for the continent. The new information and the reinterpretation of previous Cretaceous records show that there was no decline in fish diversity until the CretaceousePaleogene (K/ Pg) boundary in the area and extinction event appears to have been rapid. Finally, we find that the distribution of some chondrichthyans and teleosts in the James Ross Basin appears to be climatically determined.
Facultad de Ciencias Naturales y Museo
Consejo Nacional de Investigaciones Científicas y Técnicas
description An ichthyofauna recovered from the L opez de Bertodano Formation at Units 9 (uppermost Maastrichtian) and 10 (lowermost Danian) and the Sobral Formation (Danian), in Marambio (Seymour) Island in the James Ross Basin is described and analyzed herein. A review of previously described taxa based on the new material and several new fish records for the L opez de Bertodano Formation is provided, including the youngest record of Enchodus and the first Cretaceous evidence of Pachycormiformes.We also identify the first Paleocene fishes for the continent. The new information and the reinterpretation of previous Cretaceous records show that there was no decline in fish diversity until the CretaceousePaleogene (K/ Pg) boundary in the area and extinction event appears to have been rapid. Finally, we find that the distribution of some chondrichthyans and teleosts in the James Ross Basin appears to be climatically determined.
publishDate 2018
dc.date.none.fl_str_mv 2018
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/10915/147537
url http://sedici.unlp.edu.ar/handle/10915/147537
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/issn/0195-6671
info:eu-repo/semantics/altIdentifier/doi/10.1016/j.cretres.2018.01.004
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)
eu_rights_str_mv openAccess
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
250-265
dc.source.none.fl_str_mv reponame:SEDICI (UNLP)
instname:Universidad Nacional de La Plata
instacron:UNLP
reponame_str SEDICI (UNLP)
collection SEDICI (UNLP)
instname_str Universidad Nacional de La Plata
instacron_str UNLP
institution UNLP
repository.name.fl_str_mv SEDICI (UNLP) - Universidad Nacional de La Plata
repository.mail.fl_str_mv alira@sedici.unlp.edu.ar
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score 13.070432

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