Class [Mammalia] Linnaeus, 1758 - mammals
Order Rodentia Bowdich, 1821 - rodents
Family Muridae Batsch, 1788 - rats, mice, hamsters, voles, lemmings, and gerbils
Subfamily Nesomyinae Forsyth Major, 1897 - Madagascan rats
Genus Macrotarsomys Milne-Edwards & Grandidier, 1898
Macrotarsomys bastardi Milne-Edwards & G. Grandidier, 1898