Callosciurus melanogaster (Thomas, 1895) . Ann. Mus. Civ. Stor. Nat. Genova, 14:668.

TYPE LOCALITY: Indonesia, Mentawi Isis, Sipora Isl, "Si Oban" .

DISTRIBUTION: Mentawi Isis (Indonesia).

SYNONYMS: atratus (Miller, 1903); mentawi (Chasen and Kloss, 1927).

COMMENTS: Member of the notatus species group. Part of the rodent fauna endemic to the Mentawi Archipelago (see comments under Leopoldamys siporanus).