Proechimys trinitatis (J. A. Allen and Chapman, 1893) . Bull. Am. Mus. Nat. Hist., 5:223.
TYPE LOCALITY: Trinidad and Tobago, Trinidad .
DISTRIBUTION: Trinidad.
COMMENTS: Subgenus Proechimys . Formerly included in cayennensis (= guyannensis) (Reig et al., 1980). The chromosome no. is 2n=62; FN=80.