Proechimys iheringi Thomas, 1911 . Ann. Mag. Nat. Hist., ser. 8, 8:252.

TYPE LOCALITY: Brazil, Sâo Paulo, Sâo Sabastiäo Isl .

DISTRIBUTION: E Brazil.

SYNONYMS: bonafidei, denigratus, gratiosus, panema, paratus.

COMMENTS: Subgenus Trinomys . Moojen (1948:383) recognized 6 subspecies. The chromosome no. is 2n=62-64.