Notiosoricini, whose members are known as the North American gray shrews, is a tribe of shrews in the family Soricidae, including the genera ''

Megasorex The Mexican shrew (''Megasorex gigas'') is a species of mammal from the subfamily Soricinae in the family Soricidae. It is monotypic within the genus ''Megasorex'' and is endemic to Mexico Mexico (Spanish: México), officially the United ...

'' and ''

Notiosorex ''Notiosorex'' is a genus of Shrew (animal), shrew from the subfamily Soricinae. History ''Notiosorex'' shrews have a fossil history that extends to the Miocene (i.e., mid-Hemphillian). The geographic distribution of the genus has always been in ...

''. They are found across the

southwestern United States The Southwestern United States, also known as the American Southwest or simply the Southwest, is a geographic and cultural region of the United States that generally includes Arizona, New Mexico, and adjacent portions of California, Colorado, Ne ...

and most of

Mexico Mexico (Spanish: México), officially the United Mexican States, is a country in the southern portion of North America. It is bordered to the north by the United States; to the south and west by the Pacific Ocean; to the southeast by Guatema ...

. The tribe includes the following species: * Genus ''

'' ** Mexican shrew, ''M. gigas'' * Genus ''

'' ** Cockrum's gray shrew, ''N. cockrumi'' ** Crawford's gray shrew, ''N. crawfordi'' ** Large-eared gray shrew, ''N. evotis'' ** Villa's gray shrew, ''N. villai''

References

* https://animaldiversity.org/accounts/Notiosoricini/classification/ * http://www.departments.bucknell.edu/biology/resources/msw3/browse.asp?id=13700443 * https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=709679#null
Red-toothed shrews Mammals of North America Mammal tribes {{redtoothed-shrew-stub