Class [Mammalia] Linnaeus, 1758 - mammals Order Rodentia Bowdich, 1821 - rodents Family Geomyidae Bonaparte, 1845 - pocket gophers Genus Orthogeomys Merriam, 1895 - taltuzas Orthogeomys pygacanthis - El Salvador pocket gopher see Orthogeomys grandis (Thomas, 1893)