Class [Mammalia] Linnaeus, 1758 - mammals Order Rodentia Bowdich, 1821 - rodents 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