Transandinomys bolivaris

Karyotype: 2n = 58 and FN = 80. Autosomal complement: nine large to medium metacentric and submetacentric pairs, two very small metacentric pairs, one large subtelocentric pair, and 16 small acrocentric pairs. Sex chromosomes: X, a large subtelocentric; Y, a small acrocentric (Gardner & Patton 1976, pp. 6, Fig. 2E).