Order Rodentia: Rodents
Suborder Myomorpha
Infraorder Myodonta
Superfamily Muroidea
Family Cricetidae: New World Rats and Mice
Subfamily Sigmodontinae
Sigmodon arizonae: Arizona Cotton Rat
Sigmodon fulviventer: Tawny-bellied Cotton Rat
Sigmodon hispidus: Hispid Cotton Rat
Sigmodon ochrognathus: Yellow-nosed Cotton Rat
5 Sep 2008