Pseudomys chapmani Kitchener, 1980 . Rec. W. Aust., 8(3):405.
TYPE LOCALITY: Australia, Western Australia, Pilbara, 31 km 136°, Mt. Meharry (23° IT S., 118° 48' E.) .
DISTRIBUTION: Pilbara Dist. of Western Australia.
COMMENT: Stated to be most closely related to hermannsburgensis by Kitchener, 1980, Rec. W. Aust., 8(3):405.