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Article . 2016
License: CC BY NC SA
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¿Cuántas especies del género Dasyprocta (Rodentia, Dasyproctidae) hay en Argentina?

Authors: Teta, Pablo Vicente; Lucero, Sergio;

¿Cuántas especies del género Dasyprocta (Rodentia, Dasyproctidae) hay en Argentina?

Abstract

Para la Argentina han sido citadas, dependiendo de los autores, una o dos especies del género Dasyprocta. En esta nota se presenta un análisis morfológico, cualitativo y cuantitativo, de la situación de este taxón en el extremo austral de su distribución (Argentina, Bolivia y Paraguay). El análisis de componentes principales, un análisis discriminante "libre de tamaño" y diferencias de coloración externa y en la arquitectura craneana sugieren que los individuos de Paraguay y el nordeste de Argentina (coloración general amarillenta, sutura nasofrontal generalmente en forma de W) son representativos de una misma especie biológica, distinguible de las poblaciones del centro de Bolivia y el noroeste de Argentina (coloración general rojiza, sutura nasofrontal generalmente en forma de U). Dado el reducido número de ejemplares revisados, la resolución de la situación taxonómica de los individuos del noroeste de Argentina con respecto a los del centro y sur de Bolivia queda supeditada a los resultados de nuevos estudios.

Argentina is said to support one or two species of the genus Dasyprocta , depending on the authors. In this paper we present a qualitative and quantitative morphological analysis of the status of this taxon at the southern end of its range (Argentina, Bolivia and Paraguay). Principal component analysis, “size free” discrimi - nant analysis, and differences in external coloration and in the cranial architecture suggest that individuals of Paraguay and northeastern Argentina (general coloration yellowish, nasofrontal suture usually W-shaped) represent one biological species, distinct from those of central Bolivia and northwestern Argentina (general coloration reddish, nasofrontal suture generally U-shaped). Given the limited number of individuals studied, resolution of the taxonomic status of populations in northwest Argentina with respect to those from central and southern Bolivia is subject to the results of further studies.

Fil: Teta, Pablo Vicente. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Museo Argentino de Ciencias Naturales "Bernardino Rivadavia"; Argentina

Fil: Lucero, Sergio. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Museo Argentino de Ciencias Naturales "Bernardino Rivadavia"; Argentina

Country
Argentina
Keywords

https://purl.org/becyt/ford/1.6, https://purl.org/becyt/ford/1, Dasyproctidae, Caviomorpha

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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