Mammaliaformes Rowe 1988
[crown] Class Mammalia Linnaeus, 1758 - mammals
Subclass Theriiformes Rowe, 1988
see Division Theriiformes Rowe, 1988
Infraclass Holotheria Wible, Rougier, Novacek, McKenna & Dashzeveg, 1995
see Clade Holotheria Wible, Rougier, Novacek, McKenna & Dashzeveg 1995
Superlegion Trechnotheria McKenna, 1975
see Clade Trechnotheria McKenna 1975
Legion Cladotheria McKenna, 1975
see Clade Cladotheria McKenna 1975
Sublegion Zatheria McKenna, 1975
see Clade Zatheria McKenna 1975
Infralegion Tribosphenida McKenna, 1975
see Subclass Boreosphenida Luo, Cifelli & Kielan-Jaworowska, 2001
[crown] Supercohort Theria Parker & Haswell, 1897 - therians
see Subclass Theria Parker & Haswell, 1897
Cohort Placentalia Owen, 1837 - placentals
Magnorder Epitheria McKenna, 1975
see Cohort Placentalia Owen, 1837
Superorder Preptotheria McKenna, 1975
Grandorder Anagalida Szalay & McKenna, 1971
see Order Anagalida Szalay & McKenna, 1971
Mirorder Simplicidentata Weber, 1904
Order Rodentia Bowdich, 1821 - rodents
Suborder Sciuromorpha Brandt, 1855
Infraorder Sciurida Brandt, 1855
Family Sciuridae Batsch, 1788 - squirrels, chipmunks, marmots, and prairie dogs
Subfamily Sciurinae Batsch, 1788 - tree and ground squirrels
Tribe Xerini Murray, 1866
1 Genus †Heteroxerus Schaub, 1951
2 Genus Atlantoxerus Forsyth Major, 1893 - Barbary ground squirrel
3 Genus †Aragoxerus Cuenca Bescós, 1988
4 Genus Xerus Hemprich & Ehrenberg, 1832 - African ground squirrels
5 Genus Spermophilopsis Blasius, 1884 - long-clawed ground squirrel