Chodsigoa was initially established as a subgenus of Soriculus by Kastschenko in 1907.Thomas (1908) elevated Chodsigoa to a full genus based on craniodental morphology.Most recognized species and subspecies are endemic in China.The taxonomy and systematics of Chodsigoa have been changed in the last 100 years.Hutterer (2005) recognized Chodsigoa as a genus and included 8 full species,which has been widely accepted.Most systematics studies were based on morphological comparisons,and few species have been involved in molecular studies.