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dc.contributor.author
Solorzano, Andres
dc.contributor.author
Encinas, Alfonso
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dc.contributor.author
Kramarz, Alejandro Gustavo
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dc.contributor.author
Carrasco, Gabrial
dc.contributor.author
Montoya Sanhueza, German
dc.contributor.author
Bobe, Rene
dc.date.available
2021-06-30T19:00:05Z
dc.date.issued
2020-05-31
dc.identifier.citation
Solorzano, Andres; Encinas, Alfonso; Kramarz, Alejandro Gustavo; Carrasco, Gabrial; Montoya Sanhueza, German; et al.; Late early Miocene caviomorph rodents from Laguna del Laja (~37° S), Cura-Mallín Formation, south-central Chile; Pergamon-Elsevier Science Ltd; Journal of South American Earth Sciences; 69; 102658; 31-5-2020; 679-693
dc.identifier.issn
0895-9811
dc.identifier.uri
http://hdl.handle.net/11336/135181
dc.description.abstract
Despite recent efforts, the paleodiversity of the Neogene mammals in Chile remains poorly known, with several putative new species awaiting description. For example, previous studies suggest that the early to late Miocene mammalian assemblages from the Laguna del Laja fossiliferous locality (Cura-Mallín and Trapa-Trapa formations), which crop out in the Andean Cordillera of Chile (~37°), comprise dozens of undescribed taxa. A better understanding of the taxonomic affinities of the Laguna del Laja faunas is needed, as it represents one of the few faunas known from the early to late? Miocene of the south-central Andean main range. Several specimens of caviomorphs recently recovered in late early Miocene beds of the Cura-Mallín Formation at Laguna del Laja are here described in detail, and a brief discussion of their chronological, biogeographical, and paleoenvironmental significance is also provided. Based on fragments of mandible, maxilla and isolated teeth five taxa were recognized, Phanomys mixtus Ameghino, Prolagostomus sp., Neoreomys sp., Maruchito nov. sp.?, and Luantus sompallwei nov. sp. The radiometric ages of the fossil-bearing horizons, constrained between 17.7 and 16.4 Ma, as well as the common species (P. mixtus) and genera (Prolagostomus and Neoreomys) indicate that the fauna here reported belongs to the Santacrucian SALMA. Finally, our finding preliminary suggests the predominance of rather open habitats in the Cura-Mallín Formation during this time, but also a widely distributed late Early Miocene caviomorph fauna along the southern Andes, in both intra-arc and foreland basins.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Pergamon-Elsevier Science Ltd
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dc.rights
info:eu-repo/semantics/restrictedAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
DASYPROCTIDS
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EARLY MIOCENE PALEOENVIRONMENTS
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ECHIMYIDS
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LAGOSTOMINES
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NEOGENE FOSSILS RODENTS
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SANTACRUCIAN SALMA
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“EOCARDIIDS”
dc.subject.classification
Paleontología
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dc.subject.classification
Ciencias de la Tierra y relacionadas con el Medio Ambiente
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Late early Miocene caviomorph rodents from Laguna del Laja (~37° S), Cura-Mallín Formation, south-central Chile
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2021-06-22T19:05:24Z
dc.journal.volume
69
dc.journal.number
102658
dc.journal.pagination
679-693
dc.journal.pais
Estados Unidos
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dc.journal.ciudad
Amsterdam
dc.description.fil
Fil: Solorzano, Andres. Universidad de Concepción; Chile
dc.description.fil
Fil: Encinas, Alfonso. Universidad de Concepción; Chile
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Fil: Kramarz, Alejandro Gustavo. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Museo Argentino de Ciencias Naturales "Bernardino Rivadavia"; Argentina
dc.description.fil
Fil: Carrasco, Gabrial. Servicios Científicos Educativos y Turismo Científico; Chile
dc.description.fil
Fil: Montoya Sanhueza, German. University of Cape Town; Sudáfrica
dc.description.fil
Fil: Bobe, Rene. University of Oxford; Reino Unido
dc.journal.title
Journal of South American Earth Sciences
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/https://doi.org/10.1016/j.jsames.2020.102658
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/abs/pii/S0895981120302017?via%3Dihub
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