Exilisciurus exilis (Müller, 1838) . Tijdschr. Nat. Gesch. Physiol., 5:138.

TYPE LOCALITY: Indonesia, Kalimantan, Kapuas River Basin, Tanah Laut (see Medway, 1977, and Heaney, 1985) .

DISTRIBUTION: Borneo and Banggi Island.

SYNONYMS: retectus Thomas, 1910; sordidus Chasen and Kloss, 1928.