Proechimys quadruplicate Hershkovitz, 1948 . Proc. U.S. Natl. Mus., 97:138.

TYPE LOCALITY: Ecuador, Napo-Pastaza Prov., Rio Napo, Isla Llunchi (18 kms below mouth of Rio Coca) .

DISTRIBUTION: Amazonian region of E Ecuador and N Peru.

COMMENTS: Subgenus Proechimys . The chromosome no. is 2n=28.