Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Megaclassis: Osteichthyes
Cladus: Sarcopterygii
Cladus: Rhipidistia
Cladus: Tetrapodomorpha
Cladus: Eotetrapodiformes
Cladus: Elpistostegalia
Superclassis: Tetrapoda
Cladus: Reptiliomorpha
Cladus: Amniota
Cladus: Synapsida
Cladus: Eupelycosauria
Cladus: Sphenacodontia
Cladus: Sphenacodontoidea
Cladus: Therapsida
Cladus: Theriodontia
Cladus: Cynodontia
Cladus: Eucynodontia
Cladus: Probainognathia
Cladus: Prozostrodontia
Cladus: Mammaliaformes
Classis: Mammalia
Subclassis: Trechnotheria
Infraclassis: Zatheria
Supercohors: Theria
Cohors: Eutheria
Infraclassis: Placentalia
Cladus: Boreoeutheria
Superordo: Euarchontoglires
Ordo: Rodentiaa
Subordo: Myomorpha
Superfamilia: Muroidea
Familia: Muridae
Subfamilia: Murinae
Tribus: Hydromyini
Genus: Leptomys
Species: L. arfakensis – L. elegans – L. ernstmayri – L. paulus – L. signatus
Name
Leptomys Thomas, 1897
Type species: Leptomys elegans Thomas, 1897
References
Musser, G.G.; Helgen, K.M.; Lunde, D.P. 2008: Systematic review of New Guinea Leptomys (Muridae, Murinae) with descriptions of two new species. American Museum Novitates, 3624: 1–60.
Leptomys in Mammal Species of the World.
Wilson, Don E. & Reeder, DeeAnn M. (Editors) 2005. Mammal Species of the World – A Taxonomic and Geographic Reference. Third edition. ISBN 0-8018-8221-4.
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
Walkers Mammals, Nowak, 1983[full citation needed]
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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