Nesoryzomys indefessus (Thomas, 1899) . Ann. Mag. Nat. Hist., ser. 7, 4: 280.

TYPE LOCALITY: Galapagos Isis., Santa Cruz IsL, Academia Bay (Ecuador) .

DISTRIBUTION: Santa Cruz Isl. (Galapagos Isis.).

COMMENT: Formerly included in Oryzomys; see comment under genus. Probably extinct; see Corbet and Hill, 1980:144.

ISIS NUMBER: 5301410008035032001 as Oryzomys indefessus .