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The Tropics as Reservoir of Otherwise Extinct Mammals: The Case of Rodents from a New Pliocene Faunal Assemblage from Northern Venezuela

Vucetich, María Guiomar et al · Springer · 2010

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Author / responsible party
Vucetich, María Guiomar et al
Publisher
Springer
Year
2010
ISSN
1064-7554
ISSN
1064-7554
Language
English

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We report a new vertebrate assemblage from the Pliocene Vergel Member of the San Gregorio Formation in northwestern Venezuela, which includes Crocodylia and Testudines indet., toxodonts, at least four species of xenarthrans of the Dasypodidae, Pampatheriidae, Glyptodontidae and Megatheriidae, and rodents. The last are Cardiatherium, cf. Caviodon (Hydrochoeridae), Neoepiblema (Neoepiblemidae), and what is here described as a new genus of a low-crowned octodontoid. cf. Caviodon is the first cardiomyine for northern South America. The rodent assemblage resembles in its ecological composition those of the late Miocene (Huayquerian) from the “Mesopotamian” of Argentina and the Acre region in Brazil, with partially overlapping systematic composition. The stratigraphic position of the San Gregorio Formation and mammals other than caviomorphs suggest a late Pliocene age for these sediments, implying the endurance of rodent taxa beyond their biochron in southern South America. Fil: Vucetich, María Guiomar. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. División Paleontología Vertebrados; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata; Argentina Fil: Carlini, Alfredo Armando. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. División Paleontología Vertebrados; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata; Argentina

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APA 7

Vucetich, M. G. E. A. (2010). The Tropics as Reservoir of Otherwise Extinct Mammals: The Case of Rodents from a New Pliocene Faunal Assemblage from Northern Venezuela. http://hdl.handle.net/11336/242404

MLA

Vucetich, María Guiomar et al. "The Tropics as Reservoir of Otherwise Extinct Mammals: The Case of Rodents from a New Pliocene Faunal Assemblage from Northern Venezuela." 2010. http://hdl.handle.net/11336/242404.

Chicago

Vucetich, María Guiomar et al. 2010. "The Tropics as Reservoir of Otherwise Extinct Mammals: The Case of Rodents from a New Pliocene Faunal Assemblage from Northern Venezuela.". http://hdl.handle.net/11336/242404.

Harvard

Vucetich, M. G. E. A. 2010, The Tropics as Reservoir of Otherwise Extinct Mammals: The Case of Rodents from a New Pliocene Faunal Assemblage from Northern Venezuela, Springer, available at: http://hdl.handle.net/11336/242404 [Accessed 8 Aug. 2026].

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Title
The Tropics as Reservoir of Otherwise Extinct Mammals: The Case of Rodents from a New Pliocene Faunal Assemblage from Northern Venezuela
Author / contributors
Vucetich, María Guiomar et al
Publisher
Springer
Publication year
2010
ISSN
1064-7554
ISSN
1064-7554
Language
English

Subjects

Explore related resources through these subjects.

Phylogeny; Caviomorpha; Biogeography; Systematics; https://purl.org/becyt/ford/1.5; https://purl.org/becyt/ford/1
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