Postcranial morphology of Aristonectes Cabrera (Plesiosauria, Elasmosauridae) from the Upper Cretaceous of Patagonia and Antartica

Autores
O'gorman, Jose Patricio; Brandoni, Zulma Nelida; Salgado, Leonardo
Año de publicación
2013
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
A partial, postcranial skeleton of a juvenile individual referred to Aristonectes cf. parvidens from the upper Maastrichtian Lo´pez de Bertodano Formation, Isla Marambio (Seymour Island), Antarctica, is described. Additionally, two juvenile specimens, also referred to A. cf. parvidens from the Allen Formation (upper Campanian–lower Maastrichtian) and Jagu¨el Formation (upper Maastrichtian) (Rı´o Negro province, Argentina), are redescribed. The analysis of the systematic value of the cervical centrum proportions of juvenile specimens of Elasmosauridae suggests that these elements can be used to differentiate juvenile specimens of A. cf. parvidens from juveniles of other Elasmosauridae. On this basis, the specimens described are referred to A. cf. parvidens. Based on the proportion of the cervical centra, the first South American plesiosaur described by Gay in 1848 is here referred to A. cf. parvidens. The coracoid of Aristonectes is described for the first time showing a cordiform fenestra, a feature only recorded in the Elasmosauridae among the Plesiosauria, therefore, these new data support the inclusion of Aristonectes within the Elasmosauridae. With the new material described in this paper, Aristonectes is one of the most frecuently recorded genera of Late Cretaceous plesiosaurs in the Southern Hemisphere.
Fil: O'gorman, Jose Patricio. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de la Plata. Facultad de Ciencias Naturales y Museo. División Paleontología Vertebrados; Argentina
Fil: Brandoni, Zulma Nelida. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de la Plata. Facultad de Ciencias Naturales y Museo. División Paleontología Vertebrados; Argentina
Fil: Salgado, Leonardo. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de Rio Negro. Sede Alto Valle. Instituto de Investigaciones en Paleobiologia y Geologia; Argentina
Materia
Antarctic Peninsula
López de Bertodano Formation
Maastrichtian
Plesiosaurus Chilensis
Sauropterygia
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/11188
Acceder
id CONICETDig_443a0de44e821273b5b135bdfbed884c
oai_identifier_str oai:ri.conicet.gov.ar:11336/11188
network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling Postcranial morphology of Aristonectes Cabrera (Plesiosauria, Elasmosauridae) from the Upper Cretaceous of Patagonia and AntarticaO'gorman, Jose PatricioBrandoni, Zulma NelidaSalgado, LeonardoAntarctic PeninsulaLópez de Bertodano FormationMaastrichtianPlesiosaurus ChilensisSauropterygiahttps://purl.org/becyt/ford/1.5https://purl.org/becyt/ford/1A partial, postcranial skeleton of a juvenile individual referred to Aristonectes cf. parvidens from the upper Maastrichtian Lo´pez de Bertodano Formation, Isla Marambio (Seymour Island), Antarctica, is described. Additionally, two juvenile specimens, also referred to A. cf. parvidens from the Allen Formation (upper Campanian–lower Maastrichtian) and Jagu¨el Formation (upper Maastrichtian) (Rı´o Negro province, Argentina), are redescribed. The analysis of the systematic value of the cervical centrum proportions of juvenile specimens of Elasmosauridae suggests that these elements can be used to differentiate juvenile specimens of A. cf. parvidens from juveniles of other Elasmosauridae. On this basis, the specimens described are referred to A. cf. parvidens. Based on the proportion of the cervical centra, the first South American plesiosaur described by Gay in 1848 is here referred to A. cf. parvidens. The coracoid of Aristonectes is described for the first time showing a cordiform fenestra, a feature only recorded in the Elasmosauridae among the Plesiosauria, therefore, these new data support the inclusion of Aristonectes within the Elasmosauridae. With the new material described in this paper, Aristonectes is one of the most frecuently recorded genera of Late Cretaceous plesiosaurs in the Southern Hemisphere.Fil: O'gorman, Jose Patricio. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de la Plata. Facultad de Ciencias Naturales y Museo. División Paleontología Vertebrados; ArgentinaFil: Brandoni, Zulma Nelida. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de la Plata. Facultad de Ciencias Naturales y Museo. División Paleontología Vertebrados; ArgentinaFil: Salgado, Leonardo. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de Rio Negro. Sede Alto Valle. Instituto de Investigaciones en Paleobiologia y Geologia; ArgentinaCambridge University Press2013-02info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/11188O'gorman, Jose Patricio; Brandoni, Zulma Nelida; Salgado, Leonardo; Postcranial morphology of Aristonectes Cabrera (Plesiosauria, Elasmosauridae) from the Upper Cretaceous of Patagonia and Antartica; Cambridge University Press; Antarctic Science; 25; 1; 2-2013; 1-120954-10201365-2079enginfo:eu-repo/semantics/altIdentifier/url/http://journals.cambridge.org/abstract_S0954102012000673info:eu-repo/semantics/altIdentifier/doi/10.1017/S0954102012000673info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T10:10:28Zoai:ri.conicet.gov.ar:11336/11188instacron: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:34982025-09-29 10:10:29.015CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Postcranial morphology of Aristonectes Cabrera (Plesiosauria, Elasmosauridae) from the Upper Cretaceous of Patagonia and Antartica
title Postcranial morphology of Aristonectes Cabrera (Plesiosauria, Elasmosauridae) from the Upper Cretaceous of Patagonia and Antartica
spellingShingle Postcranial morphology of Aristonectes Cabrera (Plesiosauria, Elasmosauridae) from the Upper Cretaceous of Patagonia and Antartica
O'gorman, Jose Patricio
Antarctic Peninsula
López de Bertodano Formation
Maastrichtian
Plesiosaurus Chilensis
Sauropterygia
title_short Postcranial morphology of Aristonectes Cabrera (Plesiosauria, Elasmosauridae) from the Upper Cretaceous of Patagonia and Antartica
title_full Postcranial morphology of Aristonectes Cabrera (Plesiosauria, Elasmosauridae) from the Upper Cretaceous of Patagonia and Antartica
title_fullStr Postcranial morphology of Aristonectes Cabrera (Plesiosauria, Elasmosauridae) from the Upper Cretaceous of Patagonia and Antartica
title_full_unstemmed Postcranial morphology of Aristonectes Cabrera (Plesiosauria, Elasmosauridae) from the Upper Cretaceous of Patagonia and Antartica
title_sort Postcranial morphology of Aristonectes Cabrera (Plesiosauria, Elasmosauridae) from the Upper Cretaceous of Patagonia and Antartica
dc.creator.none.fl_str_mv O'gorman, Jose Patricio
Brandoni, Zulma Nelida
Salgado, Leonardo
author O'gorman, Jose Patricio
author_facet O'gorman, Jose Patricio
Brandoni, Zulma Nelida
Salgado, Leonardo
author_role author
author2 Brandoni, Zulma Nelida
Salgado, Leonardo
author2_role author
author
dc.subject.none.fl_str_mv Antarctic Peninsula
López de Bertodano Formation
Maastrichtian
Plesiosaurus Chilensis
Sauropterygia
topic Antarctic Peninsula
López de Bertodano Formation
Maastrichtian
Plesiosaurus Chilensis
Sauropterygia
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.5
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv A partial, postcranial skeleton of a juvenile individual referred to Aristonectes cf. parvidens from the upper Maastrichtian Lo´pez de Bertodano Formation, Isla Marambio (Seymour Island), Antarctica, is described. Additionally, two juvenile specimens, also referred to A. cf. parvidens from the Allen Formation (upper Campanian–lower Maastrichtian) and Jagu¨el Formation (upper Maastrichtian) (Rı´o Negro province, Argentina), are redescribed. The analysis of the systematic value of the cervical centrum proportions of juvenile specimens of Elasmosauridae suggests that these elements can be used to differentiate juvenile specimens of A. cf. parvidens from juveniles of other Elasmosauridae. On this basis, the specimens described are referred to A. cf. parvidens. Based on the proportion of the cervical centra, the first South American plesiosaur described by Gay in 1848 is here referred to A. cf. parvidens. The coracoid of Aristonectes is described for the first time showing a cordiform fenestra, a feature only recorded in the Elasmosauridae among the Plesiosauria, therefore, these new data support the inclusion of Aristonectes within the Elasmosauridae. With the new material described in this paper, Aristonectes is one of the most frecuently recorded genera of Late Cretaceous plesiosaurs in the Southern Hemisphere.
Fil: O'gorman, Jose Patricio. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de la Plata. Facultad de Ciencias Naturales y Museo. División Paleontología Vertebrados; Argentina
Fil: Brandoni, Zulma Nelida. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de la Plata. Facultad de Ciencias Naturales y Museo. División Paleontología Vertebrados; Argentina
Fil: Salgado, Leonardo. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de Rio Negro. Sede Alto Valle. Instituto de Investigaciones en Paleobiologia y Geologia; Argentina
description A partial, postcranial skeleton of a juvenile individual referred to Aristonectes cf. parvidens from the upper Maastrichtian Lo´pez de Bertodano Formation, Isla Marambio (Seymour Island), Antarctica, is described. Additionally, two juvenile specimens, also referred to A. cf. parvidens from the Allen Formation (upper Campanian–lower Maastrichtian) and Jagu¨el Formation (upper Maastrichtian) (Rı´o Negro province, Argentina), are redescribed. The analysis of the systematic value of the cervical centrum proportions of juvenile specimens of Elasmosauridae suggests that these elements can be used to differentiate juvenile specimens of A. cf. parvidens from juveniles of other Elasmosauridae. On this basis, the specimens described are referred to A. cf. parvidens. Based on the proportion of the cervical centra, the first South American plesiosaur described by Gay in 1848 is here referred to A. cf. parvidens. The coracoid of Aristonectes is described for the first time showing a cordiform fenestra, a feature only recorded in the Elasmosauridae among the Plesiosauria, therefore, these new data support the inclusion of Aristonectes within the Elasmosauridae. With the new material described in this paper, Aristonectes is one of the most frecuently recorded genera of Late Cretaceous plesiosaurs in the Southern Hemisphere.
publishDate 2013
dc.date.none.fl_str_mv 2013-02
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/11336/11188
O'gorman, Jose Patricio; Brandoni, Zulma Nelida; Salgado, Leonardo; Postcranial morphology of Aristonectes Cabrera (Plesiosauria, Elasmosauridae) from the Upper Cretaceous of Patagonia and Antartica; Cambridge University Press; Antarctic Science; 25; 1; 2-2013; 1-12
0954-1020
1365-2079
url http://hdl.handle.net/11336/11188
identifier_str_mv O'gorman, Jose Patricio; Brandoni, Zulma Nelida; Salgado, Leonardo; Postcranial morphology of Aristonectes Cabrera (Plesiosauria, Elasmosauridae) from the Upper Cretaceous of Patagonia and Antartica; Cambridge University Press; Antarctic Science; 25; 1; 2-2013; 1-12
0954-1020
1365-2079
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/http://journals.cambridge.org/abstract_S0954102012000673
info:eu-repo/semantics/altIdentifier/doi/10.1017/S0954102012000673
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
dc.publisher.none.fl_str_mv Cambridge University Press
publisher.none.fl_str_mv Cambridge University Press
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
instname_str 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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score 13.070432

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