Leptomys

Leptomys Temporal range: Recent PreꞒ Ꞓ O S D C P T J K Pg N ↓
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	Rodentia
Family:	Muridae
Tribe:	Hydromyini
Genus:	Leptomys Thomas, 1897
Type species
Leptomys elegans
Species
5, see text
Distribution map of species of Leptomys on New Guinea

Leptomys is a genus of rodent endemic to New Guinea. It is considered part of the New Guinea Old Endemics, meaning it was part of the first wave of murine rodents to colonize the island. Leptomys are seen to have minimal adaptations to their aquatic life style. Elongated hind feet accompanied by elongated centre toes suggest the ability to leap. The third molar which is lost is many rodents is retained but smaller in size. Small eyes and ears can be seen amongst its velvety soft fur.^[1]

Species

• Leptomys arfakensis Musser, Helgen & Lunde, 2008
• Long-footed water rat, Leptomys elegans
• Ernst Mayr's water rat, Leptomys ernstmayri
• Leptomys paulus Musser, Helgen & Lunde, 2008
• Fly River water rat, Leptomys signatus

References

• Musser, G. G. and M. D. Carleton. 2005. Superfamily Muroidea. pp. 894–1531 in Mammal Species of the World a Taxonomic and Geographic Reference. D. E. Wilson and D. M. Reeder eds. Johns Hopkins University Press, Baltimore.
• Musser G.G., Helgen K.M., and Lunde D.P. 2008. Systematic review of New Guinea Leptomys (Muridae, Murinae) with descriptions of two new species. AMERICAN MUSEUM NOVITATES, 3624:1-60.

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