Key to the Rodentia
		Entire body and tail grayish brown, appearing mottled; anterior margin of alveolar border steeply and abruptly joins diastema (Fig. 35a)						Color not as above; anterior margin of alveolar border curves gradually to meet diastema (Fig. 35b)
Artiodactyla  -  Carnivora  -  Chiroptera  -  Didelphimorphia  -  Insectivora  -  Lagomorpha  -  Rodentia  -  Xenarthra Scientific Names - Common Names