Key to the Rodentia
           
 
 Color plain sandy yellowish, tail tipped with black; tooth rows diverging anteriorly (Fig. 32)
   
 Color reddish brown to tan with spots or stripes on dorsum; toothrows more or less parallel
 
           
Artiodactyla
 - 
Carnivora
 - 
Chiroptera
 - 
Didelphimorphia
 - 
Insectivora
 - 
Lagomorpha
 - 
Rodentia
 - 
Xenarthra
Scientific Names - Common Names