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dc.contributor.author
O'gorman, Jose Patricio  
dc.contributor.author
Coria, Rodolfo Anibal  
dc.contributor.author
Reguero, Marcelo Alfredo  
dc.contributor.author
Santillana, Sergio  
dc.contributor.author
Mörs, Thomas  
dc.contributor.author
Cardenas, Magali  
dc.date.available
2019-09-16T19:05:09Z  
dc.date.issued
2018-09  
dc.identifier.citation
O'gorman, Jose Patricio; Coria, Rodolfo Anibal; Reguero, Marcelo Alfredo; Santillana, Sergio; Mörs, Thomas; et al.; The first non-aristonectine elasmosaurid (Sauropterygia; Plesiosauria) cranial material from Antarctica: New data on the evolution of the elasmosaurid basicranium and palate; Academic Press Ltd - Elsevier Science Ltd; Cretaceous Research; 89; 9-2018; 248-263  
dc.identifier.issn
0195-6671  
dc.identifier.uri
http://hdl.handle.net/11336/83625  
dc.description.abstract
Elasmosaurids are a monophyletic group of cosmopolitan plesiosaurs with extremely long necks. Although abundant elasmosaurid material has been collected from the Upper Cretaceous of Antarctica, skull material is extremely rare. Here, new elasmosaurid cranial material from the lower Maastrichtian levels of the Cape Lamb Member (Snow Hill Island Formation) on Vega Island, Antarctica is described. The studied specimen (MLP 15-I-7-6) is a non-aristonectine elasmosaurid but shows a palate morphology characterized by the absence of a posterior interpterygoid symphysis and a posterior plate-like extension of the pterygoids, features previously associated with the aristonectine palatal structure. The specimen MLP 15-I-7-6 thus provides an indication that these palatal features are also present in non-aristonectine Weddellian elasmosaurids, and makes available additional evidence of the close phylogenetical relationship between the aristonectines and some Weddellian non-aristonectine elasmosaurids.  
dc.format
application/pdf  
dc.language.iso
eng  
dc.publisher
Academic Press Ltd - Elsevier Science Ltd  
dc.rights
info:eu-repo/semantics/openAccess  
dc.rights.uri
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/  
dc.subject
Cape Lamb Member  
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Elasmosauridae  
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Plesiosauria  
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Snows Hill Island Formation  
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Paleontología  
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Ciencias de la Tierra y relacionadas con el Medio Ambiente  
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CIENCIAS NATURALES Y EXACTAS  
dc.title
The first non-aristonectine elasmosaurid (Sauropterygia; Plesiosauria) cranial material from Antarctica: New data on the evolution of the elasmosaurid basicranium and palate  
dc.type
info:eu-repo/semantics/article  
dc.type
info:ar-repo/semantics/artículo  
dc.type
info:eu-repo/semantics/publishedVersion  
dc.date.updated
2019-09-12T17:56:34Z  
dc.journal.volume
89  
dc.journal.pagination
248-263  
dc.journal.pais
Estados Unidos  
dc.description.fil
Fil: O'gorman, Jose Patricio. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de La Plata; Argentina  
dc.description.fil
Fil: Coria, Rodolfo Anibal. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Provincia del Neuquén. Municipalidad de Plaza Huincul. Museo "Carmen Funes"; Argentina  
dc.description.fil
Fil: Reguero, Marcelo Alfredo. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Ministerio de Relaciones Exteriores, Comercio Internacional y Culto. Direccion Nacional del Antártico; Argentina  
dc.description.fil
Fil: Santillana, Sergio. Ministerio de Relaciones Exteriores, Comercio Internacional y Culto. Direccion Nacional del Antártico; Argentina  
dc.description.fil
Fil: Mörs, Thomas. Naturhistoriska Riksmuseet; Suecia  
dc.description.fil
Fil: Cardenas, Magali. Universidad Nacional de Río Negro; Argentina  
dc.journal.title
Cretaceous Research  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.cretres.2018.03.013  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0195667117305098