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 Nesomyinae Forsyth Major, 1897 - Madagascan rats
Genus Gymnuromys Forsyth Major, 1896 - voalavoanala
Gymnuromys roberti Major, 1896 - voalavoanala