Class [Mammalia] Linnaeus, 1758 - mammals
   Order Rodentia Bowdich, 1821 - rodents
     Family Echimyidae Gray, 1825 - spiny rats
       Genus Diplomys Thomas, 1916
         1 Diplomys caniceps (Günther, 1876)
         2 Diplomys labilis (Bangs, 1901) - gliding spiny rat
         3 Diplomys rufodorsalis (J.A. Allen, 1899) see Santamartamys rufodorsalis (J.A. Allen, 1899)