Mallomys istapantap Flannery, Aplin, Groves, and Adams, 1989 . Rec. Aust. Mus., 41:96.

TYPE LOCALITY: Papua New Guinea, Mt Hagen Dist., Korelum (Flannery et al., 1989, provided additional data) .

DISTRIBUTION: New Guinea; high altitudes along Central Cordillera from Mt Victoria in Owen Stanley Range of E Papua New Guinea to Bele River region in Irian Jaya.

COMMENTS: Published records are only from the Central Cordillera in Papua New Guinea (see map in Flannery et al., 1989:97), but one specimen (in the American Museum of Natural History, 151342) comes from 18 km N of Lake Habbema in Irian Jaya.