Desert Shrew

Notiosorex is a genus of 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 the southwestern United States and northern Mexico.^[2]

Species

There are four described extant species of Notiosorex:

• Cockrum's gray shrew (N. cockrumi)
• Crawford's gray shrew (N. crawfordi)
• Large-eared gray shrew (N. evotis)
• Villa's gray shrew (N. villai)
• (N. tataticuli)

There are several extinct species of Notiosorex described from the fossil record:^[2]

• †N. dalquesti
• †N. harrisi
• †N. jacksoni
• †N. repenningi

References