Título:
Late Miocene mammalian burrows in the Camacho Formation of Uruguay reveal a complex community of ecosystem engineers
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Autor:
Varela, Luciano
Martínez Blanco, Ximena
Ugalde, Raúl
Tambusso, P. Sebastián
Lobato, Carolina
Gaucher, Claudio
Fariña, Richard
Martínez Blanco, Ximena
Ugalde, Raúl
Tambusso, P. Sebastián
Lobato, Carolina
Gaucher, Claudio
Fariña, Richard
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Tipo de documento:
Artículo
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Palabras clave:
Ichnofossil
Palaeoburrow
Crotovine
Keystone species
Tortonian
Palaeoecology
Palaeoburrow
Crotovine
Keystone species
Tortonian
Palaeoecology
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Año de publicación:
2023
Contenido:
Resumen:
We report fossil mammal burrows from backshore beach facies in the Camacho Formation of southern Uruguay, of Late Miocene (Huayquerian SALMA) age. The presence of desiccation cracks and rhizoliths indicate the occurrence of relatively extended periods of subaerial exposure and the incipient development of vegetation. The analysis of the burrows' spatial extent, size, and structure reveals the existence of exceptionally well-preserved and intercrossing tunnel systems. We show the existence of different size classes of burrows, which indicate that at least four different taxa were responsible for their construction. Considering the inferred body masses of the trace makers obtained from allometric relationships and the body masses of taxa recovered for the Camacho Formation, the burrows may have been produced by a combination of the following mammals: one of several rodents, notoungulates, cingulates, folivorans, and a carnivoran. The fossil association represents an exceptional case of a community of ecosystem engineers in the Late Miocene of southeastern South America.
Descripción:
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Elsevier
EN:
Evolving Earth, 2023, 1: 100023.
Financiadores:
ANII: POS_NAC_2014_1_102374
Citación:
Varela, L, Martínez Blanco, X, Ugalde, R, [y otros]. "Late Miocene mammalian burrows in the Camacho Formation of Uruguay reveal a complex community of ecosystem engineers". Evolving Earth. [en línea] 2023, 1: 100023.11 h. DOI: 10.1016/j.eve.2023.100023.
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2950-1172
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Licencia:
Licencia Creative Commons Atribución (CC - By 4.0)
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| Ficheros | Descripción | Tamaño | Formato | ||
|---|---|---|---|---|---|
| 10.1016j.eve.2023.100023.pdf | — | 13.25 MB | Adobe PDF |