Oligoryzomys utiaritensis (Allen, 1916)

Moreira, Camila Do Nascimento, Ventura, Karen, Percequillo, Alexandre Reis & Yonenaga-Yassuda, Yatiyo, 2020, A review on the cytogenetics of the tribe Oryzomyini (Rodentia: Cricetidae: Sigmodontinae), with the description of new karyotypes, Zootaxa 4876 (1), pp. 1-111 : 76

Oligoryzomys utiaritensis

Karyotype: 2n = 72 and FN = 76. Autosomal complement: three small metacentric and submetacentric pairs, and 32 acrocentric pairs (three large and the remaining medium to small decreasing in size). Sex chromosomes: X, a large submetacentric; Y, a small submetacentric ( Agrellos et al. 2012, pp. 9, Fig. 5A ).

Figures

FIGURE 5. Distribution of diploid and fundamental number of karyotyped specimens of genus Holochilus. (■) H. brasiliensis; (□) H. chacarius; (l) H. sciureus; (○) H. venezuelae; (▲) H. vulpinus.