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Histoire évolutive et taxonomie intégrative dans le genre Gerbillus (Rodentia: Muridae)

Abstract : The rodent genus Gerbillus, characteristic of arid habitats of the Old World, harbors a high specific diversity. However, the evolutionary history and relationships between its member species still remain poorly known. The analysis of molecular sequence data from a representative sample of species has permitted to show that most of the genus evolution has taken place in Africa. From there, only a few lineages have dispersed and further evolved in Asia. The genus emerged at the end of the Miocene, and most of the currently living species have differentiated during the Pleistocene. The four subgenera into which we propose to arrange the diversity of Gerbillus (i.e. Dipodillus, Gerbillus, Hendecapleura and Monodia) emerged along the Pliocene. In several groups of species of the genus, integrative taxonomy studies have been conducted, that associated morphological, molecular and cytogenetical approaches. They led to the non-ambiguous characterization of sibling species and a more precise delineation of their distribution. Some examples are presented, and further research perspectives are proposed to complete our knowledge of this genus.
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https://hal.archives-ouvertes.fr/hal-02337726
Contributor : Pascale Chevret <>
Submitted on : Friday, June 11, 2021 - 10:56:31 AM
Last modification on : Tuesday, July 20, 2021 - 5:20:04 PM
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Laurent Granjon, Gauthier Dobigny, Pascale Chevret, Arame Ndiaye. Histoire évolutive et taxonomie intégrative dans le genre Gerbillus (Rodentia: Muridae). Bulletin de la Société d’Histoire Naturelle d’Afrique du Nord, 2018, 74, pp.43-55. ⟨hal-02337726⟩

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