Rattus simalurensis Miller, 1903. Proc. U.S. Nat. Mus., 26:458.

TYPE LOCALITY: Indonesia, Sumatra, Simalur Isl.

DISTRIBUTION: N. Mentawi Isis. (Indonesia).

COMMENT: Formerly included in rattus by Ellerman, 1949, The Families and Genera of Living Rodents, 3:61, but Musser, 1979, Bull. Am. Mus. Nat. Hist., 162(6):439, considered it a distinct species.