Class Mammalia Linnaeus, 1758 - mammals Order Rodentia Bowdich, 1821 - rodents Suborder Hystricognathi Tullberg, 1899 see Infraorder Hystricognathi Tullberg, 1899 Family Echimyidae Gray, 1825 - spiny rats Subfamily Dactylomyinae Tate, 1935 Genus Kannabateomys Jentink, 1891 - rato de Taquara Kannabateomys amblyonyx Wagner, 1845 - rato de Taquara