Key to the Rodentia
           
 
 Color reddish brown with alternating rows of light stripes and dots extending from head to rump; auditory bullae not distinctly inflated (Fig. 33a); rostral and interorbital region comparatively narrower (Fig. 34a)
   
 Color brownish tan with irregular squarish white spots on rump; auditory bullae somewhat inflated (Fig. 33b); rostral and interorbital region comparatively broader (Fig. 34b)
 
           
Artiodactyla
 - 
Carnivora
 - 
Chiroptera
 - 
Didelphimorphia
 - 
Insectivora
 - 
Lagomorpha
 - 
Rodentia
 - 
Xenarthra
Scientific Names - Common Names