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Licensed Unlicensed Requires Authentication Published by De Gruyter May 13, 2015

Dense sampling provides a reevaluation of the southern geographic distribution of the cavies Galea and Microcavia (Rodentia)

  • Daniel E. Udrizar Sauthier EMAIL logo , Anahí E. Formoso , Pablo Teta , Daniela C. de Tommaso , Adela M. Bernardis , Mauro N. Tammone and Ulyses F.J. Pardiñas
From the journal Mammalia

Abstract

The southern distribution of the small cavies Galea leucoblephara and Microcavia australis is reviewed. It has been enriched through the addition of 36 new locality records for G. leucoblephara and 176 for M. australis. Both caviomorph rodents are widespread in Patagonia – the former occurs in the northern portion of the territory, whereas the latter is recorded up to the Strait of Magellan. The reference of Patagonian Galea populations to leucoblephara is still subject to confirmation. Therefore, the status of negrensis must be addressed in future studies. For southern Microcavia australis populations, a rich subspecifical scenario is proposed, including the names australis, kingii, and nigriana. The alpha taxonomy of this cavy needs a fresh approach that is based on a larger sample set coupled with the analysis of molecular markers.

Acknowledgments

We are grateful to several collaborators who helped us in the field and cabinet, including D. Podestá, G. Bonnot, G. Massaferro, J. Pardiñas, J. Sanchez, M. Carrera, C. Cardozo, V. Roldán, P. Gómez, E. Liciotti, C. Navarro, M. Bergara, and W. Udrizar Sauthier. We also are grateful to D. Flores (MACN), D. Verzi, and I. Olivares (MLP) who granted access to the collections under their care. Finally, we thank E. Lacey for checking the English language and three anonymous reviewers for helpful and constructive comments that improved the paper. This research was partially founded by Agencia Nacional de Promoción Científica y Tecnológica (PICT 2008-547 to UFJP). This is Grupo de Estudios de Mamíferos Australes (GEMA) Contribution No. 11.

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Supplemental Material:

The online version of this article (DOI: 10.1515/mammalia-2014-0156) offers supplementary material, available to authorized users.


Received: 2014-10-20
Accepted: 2015-2-24
Published Online: 2015-5-13
Published in Print: 2016-5-1

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