A Maastrichtian insect assemblage from Patagonia sheds light on arthropod diversity previous to the K/Pg event

Insect faunas from the latest Cretaceous are poorly known worldwide. Particularly, in the Southern Hemisphere, there is a gap regarding insect assemblages in the Campanian-Maastrichtian interval. Here we present an insect assemblage from the Maastrichtian Chorrillo Formation, southern Argentina, rep...

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Autores: Vera, Ezequiel Ignacio, Monferran, Mateo Daniel, Massaferro, Julieta, Sabater, Lara Milena, Gallego, Oscar Florencio, Perez Loinaze, Valeria Susana, Moyano Paz, Damián, Agnolin, Federico, Manabe, Makoto, Tsuhiji, Takanobu, Novas, Fernando Emilio
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2023
País:Argentina
Institución:Consejo Nacional de Investigaciones Científicas y Técnicas
Repositorio:CONICET Digital (CONICET)
Idioma:inglés
OAI Identifier:oai:ri.conicet.gov.ar:11336/221417
Acceso en línea:http://hdl.handle.net/11336/221417
Access Level:acceso abierto
Palabra clave:Patagonia
Insect
https://purl.org/becyt/ford/1.5
https://purl.org/becyt/ford/1
https://purl.org/becyt/ford/1.6
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network_acronym_str AR
network_name_str Argentina
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dc.title.none.fl_str_mv A Maastrichtian insect assemblage from Patagonia sheds light on arthropod diversity previous to the K/Pg event
title A Maastrichtian insect assemblage from Patagonia sheds light on arthropod diversity previous to the K/Pg event
spellingShingle A Maastrichtian insect assemblage from Patagonia sheds light on arthropod diversity previous to the K/Pg event
Vera, Ezequiel Ignacio
Patagonia
Insect
https://purl.org/becyt/ford/1.5
https://purl.org/becyt/ford/1
https://purl.org/becyt/ford/1.6
https://purl.org/becyt/ford/1
title_short A Maastrichtian insect assemblage from Patagonia sheds light on arthropod diversity previous to the K/Pg event
title_full A Maastrichtian insect assemblage from Patagonia sheds light on arthropod diversity previous to the K/Pg event
title_fullStr A Maastrichtian insect assemblage from Patagonia sheds light on arthropod diversity previous to the K/Pg event
title_full_unstemmed A Maastrichtian insect assemblage from Patagonia sheds light on arthropod diversity previous to the K/Pg event
title_sort A Maastrichtian insect assemblage from Patagonia sheds light on arthropod diversity previous to the K/Pg event
dc.creator.none.fl_str_mv Vera, Ezequiel Ignacio
Monferran, Mateo Daniel
Massaferro, Julieta
Sabater, Lara Milena
Gallego, Oscar Florencio
Perez Loinaze, Valeria Susana
Moyano Paz, Damián
Agnolin, Federico
Manabe, Makoto
Tsuhiji, Takanobu
Novas, Fernando Emilio
author Vera, Ezequiel Ignacio
author_facet Vera, Ezequiel Ignacio
Monferran, Mateo Daniel
Massaferro, Julieta
Sabater, Lara Milena
Gallego, Oscar Florencio
Perez Loinaze, Valeria Susana
Moyano Paz, Damián
Agnolin, Federico
Manabe, Makoto
Tsuhiji, Takanobu
Novas, Fernando Emilio
author_role author
author2 Monferran, Mateo Daniel
Massaferro, Julieta
Sabater, Lara Milena
Gallego, Oscar Florencio
Perez Loinaze, Valeria Susana
Moyano Paz, Damián
Agnolin, Federico
Manabe, Makoto
Tsuhiji, Takanobu
Novas, Fernando Emilio
author2_role author
author
author
author
author
author
author
author
author
author
dc.subject.none.fl_str_mv Patagonia
Insect
https://purl.org/becyt/ford/1.5
https://purl.org/becyt/ford/1
https://purl.org/becyt/ford/1.6
https://purl.org/becyt/ford/1
topic Patagonia
Insect
https://purl.org/becyt/ford/1.5
https://purl.org/becyt/ford/1
https://purl.org/becyt/ford/1.6
https://purl.org/becyt/ford/1
description Insect faunas from the latest Cretaceous are poorly known worldwide. Particularly, in the Southern Hemisphere, there is a gap regarding insect assemblages in the Campanian-Maastrichtian interval. Here we present an insect assemblage from the Maastrichtian Chorrillo Formation, southern Argentina, represented by well-preserved and non-deformed, chitinous microscopic remains including head capsules, wings and scales. Identified clades include Chironomidae dipterans, Coelolepida lepidopterans, and Ephemeroptera. The assemblage taxonomically resembles those of Cenozoic age, rather than other Mesozoic assemblages, in being composed by diverse chironomids and lepidopterans. To the best of our knowledge, present discovery constitutes the first insect body fossils for the Maastrichtian in the Southern Hemisphere, thus filling the gap between well-known Early Cretaceous entomofaunas and those of Paleogene age. The presented evidence shows that modern clades of chironomids were already dominant and diversified by the end of the Cretaceous, in concert with the parallel radiation of aquatic angiosperms which became dominant in freshwater habitats. This exceptional finding encourages the active search of microscopic remains of fossil arthropods in other geological units, which could provide a unique way of enhancing our knowledge on the past diversity of the clade.
publishDate 2023
dc.date.none.fl_str_mv 2023-12
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/11336/221417
Vera, Ezequiel Ignacio; Monferran, Mateo Daniel; Massaferro, Julieta; Sabater, Lara Milena; Gallego, Oscar Florencio; et al.; A Maastrichtian insect assemblage from Patagonia sheds light on arthropod diversity previous to the K/Pg event; Nature; Communications Biology; 6; 1; 12-2023; 1-11
2399-3642
CONICET Digital
CONICET
url http://hdl.handle.net/11336/221417
identifier_str_mv Vera, Ezequiel Ignacio; Monferran, Mateo Daniel; Massaferro, Julieta; Sabater, Lara Milena; Gallego, Oscar Florencio; et al.; A Maastrichtian insect assemblage from Patagonia sheds light on arthropod diversity previous to the K/Pg event; Nature; Communications Biology; 6; 1; 12-2023; 1-11
2399-3642
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/https://www.nature.com/articles/s42003-023-05596-2
info:eu-repo/semantics/altIdentifier/doi/10.1038/s42003-023-05596-2
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
application/pdf
dc.publisher.none.fl_str_mv Nature
publisher.none.fl_str_mv Nature
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
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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spelling A Maastrichtian insect assemblage from Patagonia sheds light on arthropod diversity previous to the K/Pg eventVera, Ezequiel IgnacioMonferran, Mateo DanielMassaferro, JulietaSabater, Lara MilenaGallego, Oscar FlorencioPerez Loinaze, Valeria SusanaMoyano Paz, DamiánAgnolin, FedericoManabe, MakotoTsuhiji, TakanobuNovas, Fernando EmilioPatagoniaInsecthttps://purl.org/becyt/ford/1.5https://purl.org/becyt/ford/1https://purl.org/becyt/ford/1.6https://purl.org/becyt/ford/1Insect faunas from the latest Cretaceous are poorly known worldwide. Particularly, in the Southern Hemisphere, there is a gap regarding insect assemblages in the Campanian-Maastrichtian interval. Here we present an insect assemblage from the Maastrichtian Chorrillo Formation, southern Argentina, represented by well-preserved and non-deformed, chitinous microscopic remains including head capsules, wings and scales. Identified clades include Chironomidae dipterans, Coelolepida lepidopterans, and Ephemeroptera. The assemblage taxonomically resembles those of Cenozoic age, rather than other Mesozoic assemblages, in being composed by diverse chironomids and lepidopterans. To the best of our knowledge, present discovery constitutes the first insect body fossils for the Maastrichtian in the Southern Hemisphere, thus filling the gap between well-known Early Cretaceous entomofaunas and those of Paleogene age. The presented evidence shows that modern clades of chironomids were already dominant and diversified by the end of the Cretaceous, in concert with the parallel radiation of aquatic angiosperms which became dominant in freshwater habitats. This exceptional finding encourages the active search of microscopic remains of fossil arthropods in other geological units, which could provide a unique way of enhancing our knowledge on the past diversity of the clade.Fil: Vera, Ezequiel Ignacio. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Museo Argentino de Ciencias Naturales "Bernardino Rivadavia"; ArgentinaFil: Monferran, Mateo Daniel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Nordeste. Centro de Ecología Aplicada del Litoral. Universidad Nacional del Nordeste. Centro de Ecología Aplicada del Litoral; ArgentinaFil: Massaferro, Julieta. Administración de Parques Nacionales; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Sabater, Lara Milena. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Nordeste. Centro de Ecología Aplicada del Litoral. Universidad Nacional del Nordeste. Centro de Ecología Aplicada del Litoral; ArgentinaFil: Gallego, Oscar Florencio. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Nordeste. Centro de Ecología Aplicada del Litoral. Universidad Nacional del Nordeste. Centro de Ecología Aplicada del Litoral; ArgentinaFil: Perez Loinaze, Valeria Susana. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Museo Argentino de Ciencias Naturales "Bernardino Rivadavia"; ArgentinaFil: Moyano Paz, Damián. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Centro de Investigaciones Geológicas. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Centro de Investigaciones Geológicas; ArgentinaFil: Agnolin, Federico. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Museo Argentino de Ciencias Naturales "Bernardino Rivadavia"; ArgentinaFil: Manabe, Makoto. National Museum of Nature and Science; JapónFil: Tsuhiji, Takanobu. National Museum of Nature and Science; JapónFil: Novas, Fernando Emilio. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Museo Argentino de Ciencias Naturales "Bernardino Rivadavia"; ArgentinaNature2023-12info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/221417Vera, Ezequiel Ignacio; Monferran, Mateo Daniel; Massaferro, Julieta; Sabater, Lara Milena; Gallego, Oscar Florencio; et al.; A Maastrichtian insect assemblage from Patagonia sheds light on arthropod diversity previous to the K/Pg event; Nature; Communications Biology; 6; 1; 12-2023; 1-112399-3642CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://www.nature.com/articles/s42003-023-05596-2info:eu-repo/semantics/altIdentifier/doi/10.1038/s42003-023-05596-2info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2024-05-08T14:01:00Zoai:ri.conicet.gov.ar:11336/221417instacron: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:34982024-05-08 14:01:00.539CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
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