Ophthalmosaurian (Ichthyosauria) records from the Aalenian-Bajocian of Patagonia (Argentina): An overview

Autores
Fernández, Marta Susana; Talevi, Marianella
Año de publicación
2014
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
The oldest ophthalmosaurian records worldwide have been recovered from the Aalenian-Bajocian boundary of the Neuquén Basin in Central-West Argentina (Mendoza and Neuquén provinces). Although scarce, they document a poorly known period in the evolutionary history of parvipelvian ichthyosaurs. In this contribution we present updated information on these fossils, including a phylogenetic analysis, and a redescription of 'Stenopterygius grandis' Cabrera, 1939. Patagonian ichthyosaur occurrences indicate that during the Bajocian the Neuquén Basin palaeogulf, on the southern margins of the Palaeopacific Ocean, was inhabited by at least three morphologically discrete taxa: the slender Stenopterygius cayi, robust ophthalmosaurian Mollesaurus periallus and another indeterminate ichthyosaurian. Rib bone tissue structure indicates that rib cages of Bajocian ichthyosaurs included forms with dense rib microstructure (Mollesaurus) and forms with an 'osteoporotic-like' pattern (Stenopterygius cayi).
Fil: Fernández, Marta Susana. Universidad Nacional de la Plata. Facultad de Ciencias Naturales y Museo. División Paleontología Vertebrados; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Talevi, Marianella. Universidad Nacional de Río Negro. Sede Alto Valle. Instituto de Investigaciones en Paleobiología y Geología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Materia
'Stenopterygius Grandis'
Argentina
Middle Jurassic
Mollesaurus
Neuquén Basin
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:11336/37342
Acceder
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network_name_str CONICET Digital (CONICET)
spelling Ophthalmosaurian (Ichthyosauria) records from the Aalenian-Bajocian of Patagonia (Argentina): An overviewFernández, Marta SusanaTalevi, Marianella'Stenopterygius Grandis'ArgentinaMiddle JurassicMollesaurusNeuquén Basinhttps://purl.org/becyt/ford/1.5https://purl.org/becyt/ford/1The oldest ophthalmosaurian records worldwide have been recovered from the Aalenian-Bajocian boundary of the Neuquén Basin in Central-West Argentina (Mendoza and Neuquén provinces). Although scarce, they document a poorly known period in the evolutionary history of parvipelvian ichthyosaurs. In this contribution we present updated information on these fossils, including a phylogenetic analysis, and a redescription of 'Stenopterygius grandis' Cabrera, 1939. Patagonian ichthyosaur occurrences indicate that during the Bajocian the Neuquén Basin palaeogulf, on the southern margins of the Palaeopacific Ocean, was inhabited by at least three morphologically discrete taxa: the slender Stenopterygius cayi, robust ophthalmosaurian Mollesaurus periallus and another indeterminate ichthyosaurian. Rib bone tissue structure indicates that rib cages of Bajocian ichthyosaurs included forms with dense rib microstructure (Mollesaurus) and forms with an 'osteoporotic-like' pattern (Stenopterygius cayi).Fil: Fernández, Marta Susana. Universidad Nacional de la Plata. Facultad de Ciencias Naturales y Museo. División Paleontología Vertebrados; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Talevi, Marianella. Universidad Nacional de Río Negro. Sede Alto Valle. Instituto de Investigaciones en Paleobiología y Geología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaCambridge University Press2014-01info: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/11336/37342Fernández, Marta Susana; Talevi, Marianella; Ophthalmosaurian (Ichthyosauria) records from the Aalenian-Bajocian of Patagonia (Argentina): An overview; Cambridge University Press; Geological Magazine; 151; 1; 1-2014; 49-590016-7568CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.1017/S0016756813000058info:eu-repo/semantics/altIdentifier/url/https://www.cambridge.org/core/journals/geological-magazine/article/ophthalmosaurian-ichthyosauria-records-from-the-aalenianbajocian-of-patagonia-argentina-an-overview/E85609F12F82AE00D5340BCF99806F2Ainfo:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-10-22T11:52:16Zoai:ri.conicet.gov.ar:11336/37342instacron: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:34982025-10-22 11:52:16.681CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Ophthalmosaurian (Ichthyosauria) records from the Aalenian-Bajocian of Patagonia (Argentina): An overview
title Ophthalmosaurian (Ichthyosauria) records from the Aalenian-Bajocian of Patagonia (Argentina): An overview
spellingShingle Ophthalmosaurian (Ichthyosauria) records from the Aalenian-Bajocian of Patagonia (Argentina): An overview
Fernández, Marta Susana
'Stenopterygius Grandis'
Argentina
Middle Jurassic
Mollesaurus
Neuquén Basin
title_short Ophthalmosaurian (Ichthyosauria) records from the Aalenian-Bajocian of Patagonia (Argentina): An overview
title_full Ophthalmosaurian (Ichthyosauria) records from the Aalenian-Bajocian of Patagonia (Argentina): An overview
title_fullStr Ophthalmosaurian (Ichthyosauria) records from the Aalenian-Bajocian of Patagonia (Argentina): An overview
title_full_unstemmed Ophthalmosaurian (Ichthyosauria) records from the Aalenian-Bajocian of Patagonia (Argentina): An overview
title_sort Ophthalmosaurian (Ichthyosauria) records from the Aalenian-Bajocian of Patagonia (Argentina): An overview
dc.creator.none.fl_str_mv Fernández, Marta Susana
Talevi, Marianella
author Fernández, Marta Susana
author_facet Fernández, Marta Susana
Talevi, Marianella
author_role author
author2 Talevi, Marianella
author2_role author
dc.subject.none.fl_str_mv 'Stenopterygius Grandis'
Argentina
Middle Jurassic
Mollesaurus
Neuquén Basin
topic 'Stenopterygius Grandis'
Argentina
Middle Jurassic
Mollesaurus
Neuquén Basin
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.5
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv The oldest ophthalmosaurian records worldwide have been recovered from the Aalenian-Bajocian boundary of the Neuquén Basin in Central-West Argentina (Mendoza and Neuquén provinces). Although scarce, they document a poorly known period in the evolutionary history of parvipelvian ichthyosaurs. In this contribution we present updated information on these fossils, including a phylogenetic analysis, and a redescription of 'Stenopterygius grandis' Cabrera, 1939. Patagonian ichthyosaur occurrences indicate that during the Bajocian the Neuquén Basin palaeogulf, on the southern margins of the Palaeopacific Ocean, was inhabited by at least three morphologically discrete taxa: the slender Stenopterygius cayi, robust ophthalmosaurian Mollesaurus periallus and another indeterminate ichthyosaurian. Rib bone tissue structure indicates that rib cages of Bajocian ichthyosaurs included forms with dense rib microstructure (Mollesaurus) and forms with an 'osteoporotic-like' pattern (Stenopterygius cayi).
Fil: Fernández, Marta Susana. Universidad Nacional de la Plata. Facultad de Ciencias Naturales y Museo. División Paleontología Vertebrados; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Talevi, Marianella. Universidad Nacional de Río Negro. Sede Alto Valle. Instituto de Investigaciones en Paleobiología y Geología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
description The oldest ophthalmosaurian records worldwide have been recovered from the Aalenian-Bajocian boundary of the Neuquén Basin in Central-West Argentina (Mendoza and Neuquén provinces). Although scarce, they document a poorly known period in the evolutionary history of parvipelvian ichthyosaurs. In this contribution we present updated information on these fossils, including a phylogenetic analysis, and a redescription of 'Stenopterygius grandis' Cabrera, 1939. Patagonian ichthyosaur occurrences indicate that during the Bajocian the Neuquén Basin palaeogulf, on the southern margins of the Palaeopacific Ocean, was inhabited by at least three morphologically discrete taxa: the slender Stenopterygius cayi, robust ophthalmosaurian Mollesaurus periallus and another indeterminate ichthyosaurian. Rib bone tissue structure indicates that rib cages of Bajocian ichthyosaurs included forms with dense rib microstructure (Mollesaurus) and forms with an 'osteoporotic-like' pattern (Stenopterygius cayi).
publishDate 2014
dc.date.none.fl_str_mv 2014-01
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/11336/37342
Fernández, Marta Susana; Talevi, Marianella; Ophthalmosaurian (Ichthyosauria) records from the Aalenian-Bajocian of Patagonia (Argentina): An overview; Cambridge University Press; Geological Magazine; 151; 1; 1-2014; 49-59
0016-7568
CONICET Digital
CONICET
url http://hdl.handle.net/11336/37342
identifier_str_mv Fernández, Marta Susana; Talevi, Marianella; Ophthalmosaurian (Ichthyosauria) records from the Aalenian-Bajocian of Patagonia (Argentina): An overview; Cambridge University Press; Geological Magazine; 151; 1; 1-2014; 49-59
0016-7568
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/doi/10.1017/S0016756813000058
info:eu-repo/semantics/altIdentifier/url/https://www.cambridge.org/core/journals/geological-magazine/article/ophthalmosaurian-ichthyosauria-records-from-the-aalenianbajocian-of-patagonia-argentina-an-overview/E85609F12F82AE00D5340BCF99806F2A
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
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 12.982451

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