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dc.contributor.author
Zurriaguz, Virginia Laura
dc.contributor.author
Powell, Jaime Eduardo
dc.date.available
2018-01-09T20:29:42Z
dc.date.issued
2015-02
dc.identifier.citation
Powell, Jaime Eduardo; Zurriaguz, Virginia Laura; New contributions to the presacral osteology of Saltasaurus loricatus (Sauropoda, Titanosauria) from the Upper Cretaceous of northern Argentina; Elsevier; Cretaceous Research; 54; 2-2015; 283-300
dc.identifier.issn
0195-6671
dc.identifier.uri
http://hdl.handle.net/11336/32746
dc.description.abstract
Saltasaurus loricatus is a derived form of sauropod dinosaur from the Upper Cretaceous of northern Argentina. In this work, we expand the information of the presacral vertebral column of Saltasaurus loricatus, including a detailed description of neural laminae, fossae and pneumatic foramina of the neural arch, and establish a comparative analysis with closely related taxa (Neuquensaurus australis and Rocasaurus muniozi). Our data does not support previous phylogenetic hypothesis in which S. loricatus is more closely related to R. muniozi than N. australis. A conservative pattern of distribution of pneumatic foramina in the neural arch of cervical vertebrae cannot be recognized. Although variation in the pneumatic foramina distribution is also present in dorsal vertebrae, these structures are more commonly observed in certain regions (within the postzygapophyseal spinodiapophyseal fossa and spinoprezygapophyseal fossa + prezygapophyseal spinodiapophyseal fossa and in the dorsal border of the spinodiapophyseal lamina). Our data reveal that, despite its value in paleobiological and systematic studies, the presence and distribution pattern of pneumatic foramina in neural arches of presacral vertebrae appears to be underestimated in previous anatomical studies.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Elsevier
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Postcranial Skeletal Pneumaticity
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Neural Laminae
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Fossae
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Pneumatic Foramina
dc.subject.classification
Meteorología y Ciencias Atmosféricas
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Ciencias de la Tierra y relacionadas con el Medio Ambiente
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CIENCIAS NATURALES Y EXACTAS
dc.title
New contributions to the presacral osteology of Saltasaurus loricatus (Sauropoda, Titanosauria) from the Upper Cretaceous of northern Argentina
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2018-01-08T19:47:14Z
dc.journal.volume
54
dc.journal.pagination
283-300
dc.journal.pais
Países Bajos
dc.journal.ciudad
Ámsterdam
dc.description.fil
Fil: Zurriaguz, Virginia Laura. Universidad Nacional de Río Negro. Sede Alto Valle. Instituto de Investigaciones en Paleobiología y Geología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
dc.description.fil
Fil: Powell, Jaime Eduardo. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de Tucumán. Facultad de Ciencias Naturales e Instituto Miguel Lillo; Argentina
dc.journal.title
Cretaceous Research
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.cretres.2014.12.012
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://www.sciencedirect.com/science/article/pii/S0195667114002420
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