Class Mammalia Linnaeus, 1758 - mammals Order Rodentia Bowdich, 1821 - rodents Suborder Sciurognathi (Tullberg, 1899) see Suborder Sciuromorpha Brandt, 1855 Family Geomyidae Bonaparte, 1845 - pocket gophers Genus Pappogeomys Merriam, 1895 - Alcorn's and Buller's pocket gophers Pappogeomys zinseri (Goldman, 1939) - Zinser's pocket gopher