Mammal Species of the World: A Taxonomic and Geographic Reference, 3rd ed., vol. 2
Johns Hopkins University Press
Baltimore, Maryland, USA
Comments: This assemblage of approximately 85 named taxa is still in need of revision. The species are variable in chromosome number (2n=10-70), but fairly uniform in morphology, suggesting that the major radiation of species was in the Pleistocene (Roig and Reig, 1969; Reig et al., 1990b). Cook and Lessa (1998) and Lessa and Cook (1998) suggested an early burst in diversification. Ctenomys is most closely allied to Octodontomys. Whether the group should be recognized as a subfamily (Ctenomyinae, Rei...
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