Paleoneuroanatomy of the European lambeosaurine dinosaur Arenysaurus ardevoli

Autores
Cruzado Caballero, Penélope; Fortuny, J.; Llácer, S.; Canudo, J. I.
Año de publicación
2015
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
The neuroanatomy of hadrosaurid dinosaurs is well known from North America and Asia. In Europe only a few cranial remains have been recovered that include the braincase. Arenysaurus is the first European endocast for which the paleoneuroanatomy has been studied. The resulting data have enabled us to draw ontogenetic, phylogenetic and functional inferences. Arenysaurus preserves the endocast and the inner ear. This cranial material was CT scanned, and a 3D-model was generated. The endocast morphology supports a general pattern for hadrosaurids with some characters that distinguish it to a subfamily level, such as a brain cavity that is anteroposteriorly shorter or the angle of the major axis of the cerebral hemisphere to the horizontal in lambeosaurines. Both these characters are present in the endocast of Arenysaurus. Osteological features indicate an adult ontogenetic stage, while some paleoneuroanatomical features are indicative of a subadult ontogenetic stage. It is hypothesized that the presence of puzzling mixture of characters that suggest different ontogenetic stages for this specimen may reflect some degree of dwarfism in Arenysaurus. Regarding the inner ear, its structure shows differences fromthe ornithopod clade with respect to the height of the semicircular canals. These differences could lead to a decrease in the compensatory movements of eyes and head, with important implications for the paleobiology and behavior of hadrosaurid taxa such as Edmontosaurus, Parasaurolophus and Arenysaurus. The endocranial morphology of European hadrosaurids sheds new light on the evolution of this group and may reflect the conditions in the archipelago where these animals lived during the Late Cretaceous.
Fil: Cruzado Caballero, Penélope.
Fil: Fortuny, J.. Universidad Nacional de Rio Negro. Sede Alto Valle. Instituto de Investigaciones En Paleobiologia y Geologia; Argentina
Fil: Llácer, S.. Institut Catala de Paleontologia Miquel Crusafont; España. Universidad Politecnica de Catalunya; España
Fil: Canudo, J. I.. Institut Catala de Paleontologia Miquel Crusafont; España
Materia
Paleoneurology
Paleobiology
Inner ear
European lambeosaurine
Dinosauria
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:11336/2898

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spelling Paleoneuroanatomy of the European lambeosaurine dinosaur Arenysaurus ardevoliCruzado Caballero, PenélopeFortuny, J.Llácer, S.Canudo, J. I.PaleoneurologyPaleobiologyInner earEuropean lambeosaurineDinosauriahttps://purl.org/becyt/ford/1.5https://purl.org/becyt/ford/1The neuroanatomy of hadrosaurid dinosaurs is well known from North America and Asia. In Europe only a few cranial remains have been recovered that include the braincase. Arenysaurus is the first European endocast for which the paleoneuroanatomy has been studied. The resulting data have enabled us to draw ontogenetic, phylogenetic and functional inferences. Arenysaurus preserves the endocast and the inner ear. This cranial material was CT scanned, and a 3D-model was generated. The endocast morphology supports a general pattern for hadrosaurids with some characters that distinguish it to a subfamily level, such as a brain cavity that is anteroposteriorly shorter or the angle of the major axis of the cerebral hemisphere to the horizontal in lambeosaurines. Both these characters are present in the endocast of Arenysaurus. Osteological features indicate an adult ontogenetic stage, while some paleoneuroanatomical features are indicative of a subadult ontogenetic stage. It is hypothesized that the presence of puzzling mixture of characters that suggest different ontogenetic stages for this specimen may reflect some degree of dwarfism in Arenysaurus. Regarding the inner ear, its structure shows differences fromthe ornithopod clade with respect to the height of the semicircular canals. These differences could lead to a decrease in the compensatory movements of eyes and head, with important implications for the paleobiology and behavior of hadrosaurid taxa such as Edmontosaurus, Parasaurolophus and Arenysaurus. The endocranial morphology of European hadrosaurids sheds new light on the evolution of this group and may reflect the conditions in the archipelago where these animals lived during the Late Cretaceous.Fil: Cruzado Caballero, Penélope.Fil: Fortuny, J.. Universidad Nacional de Rio Negro. Sede Alto Valle. Instituto de Investigaciones En Paleobiologia y Geologia; ArgentinaFil: Llácer, S.. Institut Catala de Paleontologia Miquel Crusafont; España. Universidad Politecnica de Catalunya; EspañaFil: Canudo, J. I.. Institut Catala de Paleontologia Miquel Crusafont; EspañaPeerJ, Inc2015-02-24info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/2898Cruzado Caballero, Penélope; Fortuny, J.; Llácer, S.; Canudo, J. I.; Paleoneuroanatomy of the European lambeosaurine dinosaur Arenysaurus ardevoli; PeerJ, Inc; PeerJ; 3; 802; 24-2-2015; 1-162167-8359enginfo:eu-repo/semantics/altIdentifier/url/https://peerj.com/articles/802/info:eu-repo/semantics/altIdentifier/doi/10.7717/peerj.802info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T10:03:46Zoai:ri.conicet.gov.ar:11336/2898instacron: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 10:03:46.645CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Paleoneuroanatomy of the European lambeosaurine dinosaur Arenysaurus ardevoli
title Paleoneuroanatomy of the European lambeosaurine dinosaur Arenysaurus ardevoli
spellingShingle Paleoneuroanatomy of the European lambeosaurine dinosaur Arenysaurus ardevoli
Cruzado Caballero, Penélope
Paleoneurology
Paleobiology
Inner ear
European lambeosaurine
Dinosauria
title_short Paleoneuroanatomy of the European lambeosaurine dinosaur Arenysaurus ardevoli
title_full Paleoneuroanatomy of the European lambeosaurine dinosaur Arenysaurus ardevoli
title_fullStr Paleoneuroanatomy of the European lambeosaurine dinosaur Arenysaurus ardevoli
title_full_unstemmed Paleoneuroanatomy of the European lambeosaurine dinosaur Arenysaurus ardevoli
title_sort Paleoneuroanatomy of the European lambeosaurine dinosaur Arenysaurus ardevoli
dc.creator.none.fl_str_mv Cruzado Caballero, Penélope
Fortuny, J.
Llácer, S.
Canudo, J. I.
author Cruzado Caballero, Penélope
author_facet Cruzado Caballero, Penélope
Fortuny, J.
Llácer, S.
Canudo, J. I.
author_role author
author2 Fortuny, J.
Llácer, S.
Canudo, J. I.
author2_role author
author
author
dc.subject.none.fl_str_mv Paleoneurology
Paleobiology
Inner ear
European lambeosaurine
Dinosauria
topic Paleoneurology
Paleobiology
Inner ear
European lambeosaurine
Dinosauria
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 neuroanatomy of hadrosaurid dinosaurs is well known from North America and Asia. In Europe only a few cranial remains have been recovered that include the braincase. Arenysaurus is the first European endocast for which the paleoneuroanatomy has been studied. The resulting data have enabled us to draw ontogenetic, phylogenetic and functional inferences. Arenysaurus preserves the endocast and the inner ear. This cranial material was CT scanned, and a 3D-model was generated. The endocast morphology supports a general pattern for hadrosaurids with some characters that distinguish it to a subfamily level, such as a brain cavity that is anteroposteriorly shorter or the angle of the major axis of the cerebral hemisphere to the horizontal in lambeosaurines. Both these characters are present in the endocast of Arenysaurus. Osteological features indicate an adult ontogenetic stage, while some paleoneuroanatomical features are indicative of a subadult ontogenetic stage. It is hypothesized that the presence of puzzling mixture of characters that suggest different ontogenetic stages for this specimen may reflect some degree of dwarfism in Arenysaurus. Regarding the inner ear, its structure shows differences fromthe ornithopod clade with respect to the height of the semicircular canals. These differences could lead to a decrease in the compensatory movements of eyes and head, with important implications for the paleobiology and behavior of hadrosaurid taxa such as Edmontosaurus, Parasaurolophus and Arenysaurus. The endocranial morphology of European hadrosaurids sheds new light on the evolution of this group and may reflect the conditions in the archipelago where these animals lived during the Late Cretaceous.
Fil: Cruzado Caballero, Penélope.
Fil: Fortuny, J.. Universidad Nacional de Rio Negro. Sede Alto Valle. Instituto de Investigaciones En Paleobiologia y Geologia; Argentina
Fil: Llácer, S.. Institut Catala de Paleontologia Miquel Crusafont; España. Universidad Politecnica de Catalunya; España
Fil: Canudo, J. I.. Institut Catala de Paleontologia Miquel Crusafont; España
description The neuroanatomy of hadrosaurid dinosaurs is well known from North America and Asia. In Europe only a few cranial remains have been recovered that include the braincase. Arenysaurus is the first European endocast for which the paleoneuroanatomy has been studied. The resulting data have enabled us to draw ontogenetic, phylogenetic and functional inferences. Arenysaurus preserves the endocast and the inner ear. This cranial material was CT scanned, and a 3D-model was generated. The endocast morphology supports a general pattern for hadrosaurids with some characters that distinguish it to a subfamily level, such as a brain cavity that is anteroposteriorly shorter or the angle of the major axis of the cerebral hemisphere to the horizontal in lambeosaurines. Both these characters are present in the endocast of Arenysaurus. Osteological features indicate an adult ontogenetic stage, while some paleoneuroanatomical features are indicative of a subadult ontogenetic stage. It is hypothesized that the presence of puzzling mixture of characters that suggest different ontogenetic stages for this specimen may reflect some degree of dwarfism in Arenysaurus. Regarding the inner ear, its structure shows differences fromthe ornithopod clade with respect to the height of the semicircular canals. These differences could lead to a decrease in the compensatory movements of eyes and head, with important implications for the paleobiology and behavior of hadrosaurid taxa such as Edmontosaurus, Parasaurolophus and Arenysaurus. The endocranial morphology of European hadrosaurids sheds new light on the evolution of this group and may reflect the conditions in the archipelago where these animals lived during the Late Cretaceous.
publishDate 2015
dc.date.none.fl_str_mv 2015-02-24
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/11336/2898
Cruzado Caballero, Penélope; Fortuny, J.; Llácer, S.; Canudo, J. I.; Paleoneuroanatomy of the European lambeosaurine dinosaur Arenysaurus ardevoli; PeerJ, Inc; PeerJ; 3; 802; 24-2-2015; 1-16
2167-8359
url http://hdl.handle.net/11336/2898
identifier_str_mv Cruzado Caballero, Penélope; Fortuny, J.; Llácer, S.; Canudo, J. I.; Paleoneuroanatomy of the European lambeosaurine dinosaur Arenysaurus ardevoli; PeerJ, Inc; PeerJ; 3; 802; 24-2-2015; 1-16
2167-8359
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/https://peerj.com/articles/802/
info:eu-repo/semantics/altIdentifier/doi/10.7717/peerj.802
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
dc.publisher.none.fl_str_mv PeerJ, Inc
publisher.none.fl_str_mv PeerJ, Inc
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
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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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