Trinomys yonenagae Rocha 1995
Trinomys yonenagae Rocha 1995, Mammalia, 59 (4): 541.
Type Locality: Brazil, Bahia, Ibiraba (10 o 48’S, 42 o 50’W) .
Vernacular Names: Yonenaga's Atlantic Spiny-rat.
Distribution: Left bank of the São Francisco River from Bara to Pilão Arcado (NE Brazil).
Discussion: Karyotype has 2n=54 and FN=108 (Leal-Mesquinta et al., 1992).