Microhydromys Tate and Archbold 1941
Microhydromys Tate and Archbold 1941, Am. Mus . Novit., 1101: 2.
Type Species: Microhydromys richardsoni Tate and Archbold 1941
Species and subspecies: 2 species:
Species Microhydromys musseri Flannery 1989
Species Microhydromys richardsoni Tate and Archbold 1941
Discussion: Hydromys Division. Member of the New Guinea Old Endemics (Musser, 1981 c). Reviewed by Flannery (1989).