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dc.contributor.author
Marsicano, Claudia Alicia  
dc.contributor.author
Gaetano, Leandro Carlos  
dc.contributor.author
Rougier, G. W.  
dc.date.available
2017-01-17T18:51:33Z  
dc.date.issued
2013-11  
dc.identifier.citation
Marsicano, Claudia Alicia; Gaetano, Leandro Carlos; Rougier, G. W.; A revision of the putative Late Cretaceous triconodonts from South America; Elsevier; Cretaceous Research; 46; 11-2013; 90-100  
dc.identifier.issn
0195-6671  
dc.identifier.uri
http://hdl.handle.net/11336/11479  
dc.description.abstract
Austrotriconodon mckennai and Austrotriconodon sepulvedai, from the Campanian Los Alamitos Formation, Patagonia, Argentina were originally described as triconodont mammals and the sole members of the family Austrotriconodontidae. These mammals were represented by isolated cheek teeth originally regarded as molariforms, but their peculiar morphology later raised doubts about their purported triconodont affinities. Nevertheless, the morphological bases supporting the alternative taxonomic views have not been fully documented. We present here detailed comparisons of Austrotriconodon with other Late Cretaceous taxa and conclude that Austrotriconodon specimens should be assigned to Meridiolestida and Mesungulatoidea. These isolated teeth are likely premolars and might represent unknown dental positions of already described species or correspond to taxa that are yet to be formally recognized. According to our interpretation, there is still no record of Cretaceous triconodonts in South America, but we support the triconodont affinities for Jurassic taxa from the Cañadón Asfalto Formation in central Patagonia.  
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-nd/2.5/ar/  
dc.subject
Tricondonts  
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Meridiolestida  
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Los Alamitos Formation  
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Late Cretaceous  
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South America  
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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
A revision of the putative Late Cretaceous triconodonts from South America  
dc.type
info:eu-repo/semantics/article  
dc.type
info:ar-repo/semantics/artículo  
dc.type
info:eu-repo/semantics/publishedVersion  
dc.date.updated
2016-12-12T21:06:15Z  
dc.journal.volume
46  
dc.journal.pagination
90-100  
dc.journal.pais
Países Bajos  
dc.journal.ciudad
Amsterdam  
dc.description.fil
Fil: Marsicano, Claudia Alicia. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Estudios Andinos; Argentina. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Ciencias Geológicas; Argentina  
dc.description.fil
Fil: Gaetano, Leandro Carlos. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Estudios Andinos; Argentina. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Ciencias Geológicas; Argentina  
dc.description.fil
Fil: Rougier, G. W.. The University Of Louisville; Estados Unidos  
dc.journal.title
Cretaceous Research  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://www.sciencedirect.com/science/article/pii/S0195667113001389  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.cretres.2013.09.007