|Subspecies:||S. o. juncensis|
|Sorex ornatus juncensis
(Nelson & Goldman 1909)
Sorex californicus juncensis Nelson & Goldman 1909
The holotype, a young adult female, has a total length of 101 mm, a tail length of 41 mm and a hindfood length of 12.5 mm. The condylobasal length of the skull is 16.2 mm, the basal length is 13.9 mm, the breadth of the braincase is 7.5 mm, the palatal length is 7.2 mm, and the interorbital breadth is 3.5 mm. In comparism to the ornate shrew the braincase is higher, narrower and less flattened. The tail is slightly longer and the feet are more dusky. The upperparts and sides are grey or slightly darker. The upperparts are smokey grey with a mixed hazel and vinaceous-buff wash. The tail is indistinct bicolored, with mixed grey and wood-brown upperparts and pale ochre-buff underparts.
The tule shrew is only known by four specimens collected by Edward William Nelson and Edward Alphonso Goldman in September 1905. Attempts by Laurence Markham Huey in the 1940s and by Jesús E. Maldonado in 1991 to rediscover this shrew failed. Maldonado further noted that the El Socorro salt marsh area is essentially dry due to housing constructions and that the tule shrew is likely extinct.
- Edward William Nelson & Edward Alphonso Goldman (1909): Eleven new mammals from Lower California. In: Proceedings of the Biological Society of Washington No. 22:p 23–28.
- Hartley Harrad Thompson Jackson (1928): A taxonomic review of the American longtailed shrews (genera Sorex and Microsorex). In: North American Fauna 51:p 172
- Leslie N. Carraway (2007): Shrews (Eulypotyphla:Soricidae) of Mexico. In: Monographs of the Western North American Naturalist 3. p 1–91
- Maldonado, Jesús E.: Family Soricidae. p 39–52 in S.T. Álvarez-Castañeda & J.L. Patton (editors), Mamíferos del noroeste de México. Centro de Investigaciones Biológicas del Noroeste, S.C.
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