Class [Mammalia] Linnaeus, 1758 - mammals Order Rodentia Bowdich, 1821 - rodents Family Echimyidae Gray, 1825 - spiny rats Genus Isothrix Wagner, 1845 - toros 1 Isothrix bistriatus Wagner, 1845 see Isothrix bistriata Wagner, 1845 2 Isothrix pagurus Wagner, 1845 3 Isothrix pictus see Echimys pictus (Pictet, 1841)