Hylopetes sipora Chasen, 1940 . Bull. Raffles Mus., 15: 117.
TYPE LOCALITY: Indonesia, Sumatra, Mentawi Isis., Sipora Isl .
DISTRIBUTION: Known only from the type locality.
COMMENT: Formerly included in spadiceus; see Hill, 1961, Ann. Mag. Nat. Hist., ser. 13, 4:731-733, who noted that an adult specimen is needed to clarify the status of this form.