Class Mammalia Linnaeus, 1758 - mammals
Order Rodentia Bowdich, 1821 - rodents
Suborder Sciurognathi (Tullberg, 1899)
see Suborder Sciuromorpha Brandt, 1855
Family Heteromyidae Gray, 1868 - pocket mice, kangaroo rats, and kangaroo mice
Subfamily Heteromyinae Gray, 1868 - pocket mice, kangaroo rats, and kangaroo mice
Genus Liomys Merriam, 1902 - spiny pocket mice
1 Liomys adspersus Peters, 1874 - Panamanian spiny pocket mouse
2 Liomys irroratus (Gray, 1868) - Mexican spiny pocket mouse
3 Liomys pictus (Thomas, 1893) - painted spiny pocket mouse
4 Liomys salvini Thomas, 1893 - Salvin's spiny pocket mouse
5 Liomys spectabilis Genoways, 1971 - Jaliscan spiny pocket mouse