New Guinea Waterside Rat

New Guinea Waterside Rat Temporal range: Recent
Conservation status
Least Concern (IUCN 2.3)
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Subphylum:	Vertebrata
Class:	Mammalia
Order:	Rodentia
Family:	Muridae
Subfamily:	Murinae
Genus:	Parahydromys Poche, 1906
Species:	P. asper
Binomial name
Parahydromys asper (Thomas, 1906)
Distribution map on New Guinea

The New Guinea Waterside Rat, Parahydromys asper, is the only member of the genus Parahydromys. It is considered part of the New Guinea Old Endemics, meaning its ancestors were part of the first wave of murine rodents to colonize the island.