Pseudohydromys occidentalis Tate, 1951 . Bull. Am. Mus. Nat. Hist., 97:224.

TYPE LOCALITY: New Guinea, Irian Jaya, north of Lake Wilhelmina, Lake Habbema, 3225 m .

DISTRIBUTION: New Guinea; known only from the area around Lake Habbema and slopes of Mt Wilhelmina in Irian Jaya (Tate, 1951:225) and the Star Mtns and Victor Emmanuel Range in W Papua New Guinea (Flannery, 19906:181).