Proechimys gardneri da Silva 1998 , Proc. Biol. Soc. Wash., 111: 460 Order Rodentia - Family Echimyidae Wilson, Don E. Reeder, DeeAnn da Silva 1998 da Silva 1998 Mammalia Echimyidae Proechimys Animalia Rodentia 1585 Chordata species gardneri     Proechimys gardneri da Silva 1998, Proc. Biol. Soc. Wash., 111: 460.   Type Locality:  Brazil, Amazonas, Altamira, right bank Rio Juruá ( 68 o54’W, 06 o35’S).   Vernacular Names: Gardner's Spiny-rat.   Distribution:W Amazonia of Braziland N Boliva between the Rio Juruá and the Rio Madeira.   Discussion: Weksler et al. (2001)erroneously cited Patton (1987)as placing in  guyannensisgroup; molecular analysis suggests affinities with  pattoniand  kulinae( Patton et al., 2000). Karyotype has 2n=40 and FN=56. Brazil -6.5833335 -68.9 1585 Amazonas