Distribution of Oecomys Catherinae Thomas, 1909 (Rodentia: Cricetidae) in Northeastern Brazil With Karyotypical and Morphometrical Notes

Abstract

Abstract:The genus Oecomys Thomas, 1906 is currently composed of 16 species with unclear taxonomy and poorly known geographic limits. O. catherinae Thomas, 1909 is known to occur within the Brazilian Atlantic Forest from the states of Santa Catarina to Pernambuco (where the northernmost previously known specimen of Oecomys in the Atlantic forest was recorded), and along riverine forest into the Cerrado. To gain a greater understanding of its geographical and ecological distribution (mainly in Northeastern Br…