Chilomys Thomas 1897
Chilomys Thomas 1897, Ann. Mag. Nat. Hist., ser. 6, 19: 500.
Type Species: Oryzomys instans Thomas 1895
Species and subspecies: 1 species:
Species Chilomys instans (Thomas 1895)
Discussion: Thomasomyini. Arranged with oryzomyines (Reig, 1984) or suggested as more closely related to thomasomyines (Musser and Carleton, 1993); molecular analyses (cytochrome b) support the latter tribal affinity, in a clade composed of ( Rhipidomys ( Chilomys Thomasomys)) (D’Elía et al., 2003; Smith and Patton, 1999). Aspects of morphology reported by Carleton (1973) and Voss and Linzey (1981).