''Xystocheir'' is a genus of

millipede Millipedes (originating from the Latin , "thousand", and , "foot") are a group of arthropods that are characterised by having two pairs of jointed legs on most body segments; they are known scientifically as the class Diplopoda, the name derive ...

s in the family

Xystodesmidae Xystodesmidae is a family of millipedes in the suborder Leptodesmidea within the order Polydesmida (the "flat-backed" or "keeled" millipedes). The family Xystodesmidae was created by the American biologist Orator F. Cook in 1895 and named after ...

. The genus is

endemic Endemism is the state of a species being found only in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also foun ...

California California () is a U.S. state, state in the Western United States that lies on the West Coast of the United States, Pacific Coast. It borders Oregon to the north, Nevada and Arizona to the east, and shares Mexico–United States border, an ...

in the United States, where it is distributed in the

Coast Ranges The Pacific Coast Ranges (officially gazetted as the Pacific Mountain System in the United States; ; ) are the series of mountain ranges that stretch along the West Coast of North America from Alaska south to Northern and Central Mexico. Althoug ...

and the

Sierra Nevada The Sierra Nevada ( ) is a mountain range in the Western United States, between the Central Valley of California and the Great Basin. The vast majority of the range lies in the state of California, although the Carson Range spur lies primari ...

.Shelley, R. M., et al. (2014)
Variation and pigmentation in the milliped, ''Xystocheir brachymacris'' Shelley, 1996, from the northern Sierra Nevada foothills, California, USA (Polydesmida: Xystodesmidae: Xystocheirini).
''Insecta Mundi'' 2014 0371. Since a 1996 revision there have been 9 species classified in the genus:Shelley, R. M. (1996)
Revision of the milliped genus ''Xystocheir'' Cook (Polydesmida: Xystodesmidae).
''Canadian Journal of Zoology'' 74(7) 1336-63.''Xystocheir''.
Integrated Taxonomic Information System (ITIS). *'' Xystocheir bistipita'' *'' Xystocheir brachymacris'' *'' Xystocheir dissecta'' *'' Xystocheir modestior'' *'' Xystocheir prolixorama'' *'' Xystocheir reducta'' *'' Xystocheir solenofurcata'' *'' Xystocheir stenomacris'' *'' Xystocheir stolonifera''

References

External links

*Marek, P., et al
''A Species Catalog of the Millipede Family Xystodesmidae (Diplopoda: Polydesmida)''.
Special Publication 17. Virginia Museum of Natural History. 2014. pp 66–68. Polydesmida Millipedes of North America Endemic fauna of California {{Millipede-stub