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dc.contributor.author
Marivaux, Laurent
dc.contributor.author
Vélez Juarbe, Jorge
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Merzeraud, Gilles
dc.contributor.author
Pujos, François Roger Francis
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Viñola López, Lázaro W.
dc.contributor.author
Boivin, Myriam
dc.contributor.author
Santos Mercado, Hernán
dc.contributor.author
Cruz, Eduardo J.
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Grajales, Alexandra
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Padilla, James
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Vélez Rosado, Kevin I.
dc.contributor.author
Philippon, Mélody
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Léticée, Jean Len
dc.contributor.author
Münch, Philippe
dc.contributor.author
Antoine, Pierre Olivier
dc.date.available
2021-10-05T14:05:06Z
dc.date.issued
2020-02
dc.identifier.citation
Marivaux, Laurent; Vélez Juarbe, Jorge; Merzeraud, Gilles; Pujos, François Roger Francis; Viñola López, Lázaro W.; et al.; Early Oligocene chinchilloid caviomorphs from Puerto Rico and the initial rodent colonization of the West Indies; The Royal Society; Proceedings of the Royal Society of London. Series B: Biological Sciences; 287; 1920; 2-2020; 1-10
dc.identifier.issn
0962-8452
dc.identifier.uri
http://hdl.handle.net/11336/142662
dc.description.abstract
By their past and present diversity, rodents are among the richest components of Caribbean land mammals. Many of these became extinct recently. Causes of their extirpation, their phylogenetic affinities, the timing of their arrival in the West Indies and their biogeographic history are all ongoing debated issues. Here, we report the discovery of dental remains from Lower Oligocene deposits (ca 29.5 Ma) of Puerto Rico. Their morphology attests to the presence of two distinct species of chinchilloid caviomorphs, closely related to dinomyids in a phylogenetic analysis, and thus of undisputable South American origin. These fossils represent the earliest Caribbean rodents known thus far. They could extend back to 30 Ma the lineages of some recently extinct Caribbean giant rodents (Elasmodontomys and Amblyrhiza), which are also retrieved here as chinchilloids. This new find has substantial biogeographic implications because it demonstrates an early dispersal of land mammals from South America to the West Indies, perhaps via the emergence of the Aves Ridge that occurred ca 35–33 Ma (GAARlandia hypothesis). Considering both this new palaeontological evidence and recent molecular divergence estimates, the natural colonization of the West Indies by rodents probably occurred through multiple and time-staggered dispersal events (chinchilloids, then echimyid octodontoids (spiny rats/hutias), caviids and lastly oryzomyin muroids (rice rats)).
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
The Royal Society
dc.rights
info:eu-repo/semantics/restrictedAccess
dc.rights.uri
https://creativecommons.org/licenses/by/2.5/ar/
dc.subject
CARIBBEAN
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RODENTIA
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CHINCHILLOIDEA
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PALAEOGENE
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PALAEOBIOGEOGRAPHY
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GAARLANDIA
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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
Early Oligocene chinchilloid caviomorphs from Puerto Rico and the initial rodent colonization of the West Indies
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2021-01-27T19:55:39Z
dc.identifier.eissn
1471-2954
dc.journal.volume
287
dc.journal.number
1920
dc.journal.pagination
1-10
dc.journal.pais
Reino Unido
dc.journal.ciudad
Londres
dc.description.fil
Fil: Marivaux, Laurent. Université Montpellier II; Francia
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Fil: Vélez Juarbe, Jorge. Natural History Museum of Los Angeles County; Estados Unidos
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Fil: Merzeraud, Gilles. Université Montpellier II; Francia
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Fil: Pujos, François Roger Francis. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales. Provincia de Mendoza. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales. Universidad Nacional de Cuyo. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales; Argentina
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Fil: Viñola López, Lázaro W.. University Of Florida. Florida Museum Of History; Estados Unidos
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Fil: Boivin, Myriam. Universidad Nacional de Jujuy. Instituto de Ecorregiones Andinas. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Salta. Instituto de Ecorregiones Andinas; Argentina
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Fil: Santos Mercado, Hernán. Universidad de Puerto Rico; Puerto Rico
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Fil: Cruz, Eduardo J.. Universidad de Puerto Rico; Puerto Rico
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Fil: Grajales, Alexandra. Universidad de Puerto Rico; Puerto Rico
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Fil: Padilla, James. Universidad de Puerto Rico; Puerto Rico
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Fil: Vélez Rosado, Kevin I.. University of Michigan; Estados Unidos
dc.description.fil
Fil: Philippon, Mélody. Université des Antilles; Francia. Centre National de la Recherche Scientifique; Francia
dc.description.fil
Fil: Léticée, Jean Len. Université des Antilles; Francia. Université Montpellier II; Francia
dc.description.fil
Fil: Münch, Philippe. Université des Antilles; Francia
dc.description.fil
Fil: Antoine, Pierre Olivier. Université des Antilles; Francia. Université Montpellier II; Francia
dc.journal.title
Proceedings of the Royal Society of London. Series B: Biological Sciences
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1098/rspb.2019.2806
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://royalsocietypublishing.org/doi/10.1098/rspb.2019.2806
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