Xystocheir

Xystocheir is a genus of millipedes in the family Xystodesmidae. The genus is endemic to California in the United States, where it is distributed in the Coast Ranges and the Sierra Nevada.

Since a 1996 revision there have been 9 species classified in the genus:
 * Xystocheir bistipita
 * Xystocheir brachymacris
 * Xystocheir dissecta
 * Xystocheir modestior
 * Xystocheir prolixorama
 * Xystocheir reducta
 * Xystocheir solenofurcata
 * Xystocheir stenomacris
 * Xystocheir stolonifera