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 Petromyscinae Roberts, 1951
Genus Petromyscus Thomas, 1926 - rock mice
Petromyscus monticularis Thomas & Hinton, 1925 - Brukkaros rock mouse