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Chaetodipus rudinoris

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Peninsular Pocket Mouse
(Chaetodipus rudinoris)
Range
Taxonomic classification
Order:Rodentia
Suborder:Supramyomorpha
Infraorder:Castorimorphi
Family:Heteromyidae
Subfamily:Perognathinae
Genus:Chaetodipus
Binomial details
Chaetodipus rudinoris (D. G. Elliot, 1903)

Riddle et al. (2000) examined phylogenetic relationships within Chaetodipus baileyi and concluded that populations west of the Colorado River and Sea of Cortez should be recognized as a distinct species, Chaetodipus rudinoris.

Description

From Ceballos (ed., 2014): "Chaetodipus rudinoris is one of the largest species in the genus... The tail is longer than the length of head and body, and the tail is conspicuously crested. The ears are large. The pelage is smooth and it has bristles. Dorsal coloration varies from yellowish-gray to buffy ochre or pale buffy (Hall, 1981; Paulson, 1988)."

Chaetodipus rudinoris observed in Baja California Sur, Mexico, by Alan Harper.

External measurements

Length measurements are in millimeters (mm) and weight measurements are in grams (g), unless stated otherwise. If available, the sample size (n=) is provided. If a range is not provided and n= is not given, then the listed measurement represents an average.

Part of range Reference Total length Tail length Hindfoot length Ear length Mass
California Ingles (1947) 200–231 110–136 26–28 9–11
not reported Ceballos (editor, 2014) 188–223 103–124 24–27 7–11 24–28


Skull

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Similar species

From Ceballos (ed., 2014): "It can be distinguished from other species by its soft pelage that lacks bristles, large size, and dorsal coloration (Hall, 1981). Within the genus, C. rudinoris and C. baileyi are only surpassed in size by C. hispidus (Williams et al., 1993)."

References

Ceballos G, editor. 2014. Mammals of Mexico. Baltimore (MD, USA): Johns Hopkins University Press.

Hall ER. 1981. The mammals of North America. 2 vols. John Wiley and Sons, New York.

Paulson DD. 1988. Chaetodipus baileyi. Mammalian Species (297):1-5.

Riddle BR, Hafner DJ, Alexander LF. 2000. Comparative phylogeography of Baileys' pocket mouse (Chaetodipus baileyi) and the Peromyscus eremicus species group: historical vicariance of the Baja California peninsular desert. Molecular Phylogenetics and Evolution 17(2): 161-172.

Williams DF, Genoways HH, Braun JK. 1993. Biogeography. Pp. 319-356 in: Biology of the Heteromyidae (HH Genoways and JH Brown, editors). Special Publication 10, American Society of Mammalogists.

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