Class [Mammalia] Linnaeus, 1758 - mammals Order Rodentia Bowdich, 1821 - rodents Family Echimyidae Gray, 1825 - spiny rats Genus Olallamys Emmons, 1988 1 Olallamys albicauda (Günther, 1879) 2 Olallamys edax (Thomas, 1916)