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dc.contributor.author
Teta, Pablo Vicente
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dc.contributor.author
Cañón Valenzuela, Carola Patricia
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dc.contributor.author
Patterson, Bruce
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dc.contributor.author
Pardiñas, Ulises Francisco J.
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dc.date.available
2018-02-16T21:18:52Z
dc.date.issued
2016-04-28
dc.identifier.citation
Teta, Pablo Vicente; Cañón Valenzuela, Carola Patricia; Patterson, Bruce; Pardiñas, Ulises Francisco J.; Phylogeny of the tribe Abrotrichini (Cricetidae, Sigmodontinae): Integrating morphological and molecular evidence into a new classification; Wiley Blackwell Publishing, Inc; Cladistics; 33; 2; 28-4-2016; 153-182
dc.identifier.issn
0748-3007
dc.identifier.uri
http://hdl.handle.net/11336/36698
dc.description.abstract
The tribe Abrotrichini (five genera and 14 living species) is a small clade within the speciose subfamily Sigmodontinae (Rodentia, Cricetidae), representing one of the extant successful radiations of mammals at southern high latitudes of the Neotropics. Its distribution is mostly Andean, reaching its greatest diversity in southern Argentina and Chile. We evaluate the phylogenetic relationships within this tribe through parsimony and Bayesian approaches based on 99 morphological characters (including 19 integumental characters, 38 skull characters, 31 dental characters, three postcranial skeletal characters, seven from the male accessory glands and phallus and one from the digestive system) and six molecular markers (one mitochondrial and five nuclear). We include representatives of all, except one, of the currently recognized species of living Abrotrichini plus one fossil form. Based on total evidence, we recovered a primary division between the genus Abrothrix and a group including the long-clawed Abrotrichini, Chelemys, Geoxus, Notiomys and Pearsonomys. Both clades are recognized and named here as subtribes. The large degree of morphological variation observed within Abrothrix suggests that species in the genus fall into four groups, which we recognize as subgenera. In addition, the two known species of Chelemys do not form a monophyletic group, and Geoxus was recovered as paraphyletic with respect to Pearsonomys. To reconcile classification and phylogenetics, we describe a new genus for Chelemys macronyx and include Pearsonomys as a junior synonym of Geoxus. Our results highlight the importance of both morphology and molecules in resolving the phylogenetic relationships within this tribe. Based on biogeographical analyses, we hypothesize that Abrotrichini originated in south-western South America by vicariance and then diversified mostly by successive dispersal events.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Wiley Blackwell Publishing, Inc
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
No Consigna
dc.subject.classification
Otras Ciencias Biológicas
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dc.subject.classification
Ciencias Biológicas
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Phylogeny of the tribe Abrotrichini (Cricetidae, Sigmodontinae): Integrating morphological and molecular evidence into a new classification
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2018-02-15T16:54:21Z
dc.journal.volume
33
dc.journal.number
2
dc.journal.pagination
153-182
dc.journal.pais
Reino Unido
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dc.journal.ciudad
Londres
dc.description.fil
Fil: Teta, Pablo Vicente. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Centro Nacional Patagónico. Instituto de Diversidad y Evolución Austral; Argentina
dc.description.fil
Fil: Cañón Valenzuela, Carola Patricia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Centro Nacional Patagónico. Instituto de Diversidad y Evolución Austral; Argentina
dc.description.fil
Fil: Patterson, Bruce. Field Museum of Natural History; Estados Unidos
dc.description.fil
Fil: Pardiñas, Ulises Francisco J.. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Centro Nacional Patagónico. Instituto de Diversidad y Evolución Austral; Argentina
dc.journal.title
Cladistics
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1111/cla.12164
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://onlinelibrary.wiley.com/doi/10.1111/cla.12164/full
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