Sus bucculentus Heude, 1892 . Mem. Hist. Nat. Emp. Chin., 2:XXB, fig. 7.

TYPE LOCALITY: Viet Nam, Cochin China, "les bords du Donnai" (Dong Nai River) .

DISTRIBUTION: South Vietnam.

COMMENTS: Known only from two skulls; "closely related" to S. verrucosus but treated as a separate species (Groves, 1981«).