Vertebrata Cuvier, 1812 - vertebrates
Gnathostomata
Teleostomi
Tetrapoda Goodrich, 1930
Amniota Haeckel, 1866 - amniotes
Class Mammalia Linnaeus, 1758 - mammals
Subclass Theria Parker & Haswell, 1897
Theria of Metatherian-Eutherian grade
Infraclass Eutheria Gill, 1872
Order Rodentia Bowdich, 1821 - rodents
Suborder Hystricognathi Tullberg, 1899
see Infraorder Hystricognathi Tullberg, 1899
1 Infraorder Bathygeromorpha
see Parvorder Bathyergomorphi Tullberg, 1899
2 Infraorder Hystricomorpha Brandt, 1855 [monotypic]
see Suborder Hystricomorpha Brandt, 1855
3 Infraorder Phiomorpha Lavocat, 1962 [monotypic]
see Parvorder Phiomorpha Lavocat, 1967
4 Infraorder Caviomorpha Wood & Patterson, 1955
see Parvorder Caviomorpha Wood & Patterson, 1955