Integrative taxonomy of extant maras supports the recognition of the genera Pediolagus and Dolichotis within the Dolichotinae (Rodentia, Caviidae)

Denise H. Campo; Diego A. Caraballo; Guillermo H. Cassini; Sergio O. Lucero; Pablo Teta

doi:10.1093/jmammal/gyaa038

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12 May 2020 Integrative taxonomy of extant maras supports the recognition of the genera Pediolagus and Dolichotis within the Dolichotinae (Rodentia, Caviidae)

Denise H. Campo, Diego A. Caraballo, Guillermo H. Cassini, Sergio O. Lucero, Pablo Teta

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J. of Mammalogy, 101(3):817-834 (2020). https://doi.org/10.1093/jmammal/gyaa038

Abstract

The subfamily Dolichotinae (Rodentia, Caviidae) includes two living species (Dolichotis patagonum and D. salinicola) of cursorial, long-legged rodents that inhabit semiarid thorn scrubs and shrublands in southern South America. Some authors consider that the morphological differences between D. patagonum and D. salinicola warrant circumscription of the latter in its own genus, Pediolagus. Based on a phylogeny and divergence times grounded on molecular data, as well as a qualitative and quantitative assessment of morphological differences, the distinction between Dolichotis and Pediolagus is equal to or greater than differences seen for other intergeneric comparisons within Cavioidea. Based on these results, we argue that the taxonomic designations of Dolichotis and Pediolagus should be retained.

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Denise H. Campo, Diego A. Caraballo, Guillermo H. Cassini, Sergio O. Lucero, and Pablo Teta "Integrative taxonomy of extant maras supports the recognition of the genera Pediolagus and Dolichotis within the Dolichotinae (Rodentia, Caviidae)," Journal of Mammalogy 101(3), 817-834, (12 May 2020). https://doi.org/10.1093/jmammal/gyaa038

Received: 13 May 2019; Accepted: 17 March 2020; Published: 12 May 2020

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