Class Mammalia Linnaeus, 1758 - mammals
Order Rodentia Bowdich, 1821 - rodents
Suborder Sciurognathi (Tullberg, 1899)
see Suborder Sciuromorpha Brandt, 1855
Family Muridae Batsch, 1788 - rats, mice, hamsters, voles, lemmings, and gerbils
Subfamily Murinae Batsch, 1788 - Old World mice and rats
Genus Pseudohydromys Rümmler, 1934 - New Guinea false water rats
1 Pseudohydromys murinus Ruemmler, 1934 - eastern shrew-mouse
2 Pseudohydromys occidentalis Tate, 1951 - western shrew-mouse