Nephelomys pectoralis (Allen, 1912)

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 : 47

Nephelomys pectoralis

Karyotype: 2n = 66 and FN = 94. Autosomal complement: nine medium to small metacentric and submetacentric pairs, six subtelocentric pairs (three large and three small), and 17 acrocentric pairs (one large and the remaining medium to small). Sex chromosomes: X, a large acrocentric; Y, a small submetacentric ( Gardner & Patton 1976, pp. 4, Fig. 1B ).

Figures

FIGURE 1. Collection localities of Oryzomyini species analyzed in this work. (1) Claúdia, Mato Grosso state; (2) and (3) Rio Japurá, Amazonas state; (4) and (5) Rio Içá, Amazonas state.