Key to the Chiroptera
           
 
 Wing membrane attached to the ankle (Fig. 24a); hair unicolored, gray or brownish gray to the base; maxillary toothrow averages 5.9 mm in length; found only in eastern Oklahoma
   
 Wing membrane attached to the base of the toes (Fig. 24b); hair bicolored, slaty at the base, pale grayish bron distally; maxillary toothrow averages 6.6 mm in length; found in the western third of the state
 
           
Artiodactyla
 - 
Carnivora
 - 
Chiroptera
 - 
Didelphimorphia
 - 
Insectivora
 - 
Lagomorpha
 - 
Rodentia
 - 
Xenarthra
Scientific Names - Common Names