Class [Mammalia] Linnaeus, 1758 - mammals
Order Rodentia Bowdich, 1821 - rodents
Family Muridae Batsch, 1788 - rats, mice, hamsters, voles, lemmings, and gerbils
Subfamily Cricetinae Fischer de Waldheim, 1817 - hamsters
Genus Cricetulus Milne-Edwards, 1867 - dwarf hamsters
Cricetulus longicaudatus (Milne-Edwards, 1867) - lesser long-tailed hamster