Incisors 2/1; sides of rostrum in front of orbit fenestrated (Fig. 7a); body form rabbit-like (Fig. 7b)
   
Incisors not 2/1; sides of rostrum in front of orbit not fenestrated; body form not rabbit-like
 
           
Artiodactyla
 - 
Carnivora
 - 
Chiroptera
 - 
Didelphimorphia
 - 
Insectivora
 - 
Lagomorpha
 - 
Rodentia
 - 
Xenarthra
Scientific Names - Common Names