Class [Mammalia] Linnaeus, 1758 - mammals Order Rodentia Bowdich, 1821 - rodents Family Geomyidae Bonaparte, 1845 - pocket gophers Genus Orthogeomys Merriam, 1895 - taltuzas Orthogeomys matagalpae (J. A. Allen), 1910 - Nicaraguan pocket gopher