''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.
Species
There are four described extant species of ''Notiosorex'':
*
Cockrum's gray shrew
''Notiosorex cockrumi'', also called Cockrum's gray shrew or Cockrum's desert shrew, is a tiny species of shrews named in 2003. This red-toothed shrew, which is as light as a penny, is the first new mammal species from Arizona since 1977. Its r ...
(''N. cockrumi'')
*
Crawford's gray shrew
Crawford's gray shrew (''Notiosorex crawfordi''), also known as the desert shrew, is a small shrew found in the southwestern United States and northern Mexico. It is a member of the family Soricidae of the order Eulipotyphla. It was the only ...
(''N. crawfordi'')
*
Large-eared gray shrew
The large-eared gray shrew (''Notiosorex evotis'') is a species of shrew
Shrews (family Soricidae) are small mole-like mammals classified in the order Eulipotyphla. True shrews are not to be confused with treeshrews, otter shrews, elephant s ...
(''N. evotis'')
*
Villa's gray shrew
Villa's gray shrew (''Notiosorex villai'') is a shrew native to northeastern Mexico, where it is called ''musaraña''.
It is assessed vulnerable by the IUCN due to its small extent of occurrence and degradation of habitat.
Taxonomy
The shrew ...
(''N. villai'')
*(''N. tataticuli'')
There are several extinct species of ''Notiosorex'' described from the fossil record:
* ''
N. repenningi''
* ''
N. jacksoni''
* ''
N. harrisi''
* ''
N. dalquesti''
References
Mammal genera
{{redtoothed-shrew-stub