Michaux, J.; Hautier, L.; Simonin, T.; Vianey-Liaud, M. (2008). "Phylogeny, adaptation and mandible shape in Sciuridae (Rodentia, Mammalia)". Mammalia. 72 (4): 286–296. doi:10.1515/mamm.2008.049. S2CID84441705.
Denys, C.; Viriot, L.; Daams, R.; Pelaez-Campomanes, P.; Vignaud, P.; Andossa, L.; Brunet, M. (2003). "A new Pliocene Xerine sciurid (Rodentia) from Kossom Bougoudi, Chad". Journal of Vertebrate Paleontology. 23 (3): 676–687. doi:10.1671/2311. S2CID86163438.
Herron, M. D.; Waterman, J. M.; Parkinson, C. L. (2005). "Phylogeny and historical biogeography of African ground squirrels: the role of climate change in the evolution of Xerus". Molecular Ecology. 14 (9): 2773–2788. doi:10.1111/j.1365-294X.2005.02630.x. PMID16029477. S2CID35874572.
Herron, M. D.; Waterman, J. M.; Parkinson, C. L. (2005). "Phylogeny and historical biogeography of African ground squirrels: the role of climate change in the evolution of Xerus". Molecular Ecology. 14 (9): 2773–2788. doi:10.1111/j.1365-294X.2005.02630.x. PMID16029477. S2CID35874572.
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Michaux, J.; Hautier, L.; Simonin, T.; Vianey-Liaud, M. (2008). "Phylogeny, adaptation and mandible shape in Sciuridae (Rodentia, Mammalia)". Mammalia. 72 (4): 286–296. doi:10.1515/mamm.2008.049. S2CID84441705.
Denys, C.; Viriot, L.; Daams, R.; Pelaez-Campomanes, P.; Vignaud, P.; Andossa, L.; Brunet, M. (2003). "A new Pliocene Xerine sciurid (Rodentia) from Kossom Bougoudi, Chad". Journal of Vertebrate Paleontology. 23 (3): 676–687. doi:10.1671/2311. S2CID86163438.
Herron, M. D.; Waterman, J. M.; Parkinson, C. L. (2005). "Phylogeny and historical biogeography of African ground squirrels: the role of climate change in the evolution of Xerus". Molecular Ecology. 14 (9): 2773–2788. doi:10.1111/j.1365-294X.2005.02630.x. PMID16029477. S2CID35874572.