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 Mesocricetus Nehring, 1898 - golden hamsters
Mesocricetus newtoni Nehring, 1898 - Rumanian hamster