Requested reference
Xu, Y. J. (1989). Key to Chinese Oonopidae and a new species of the genus Ischnothyreus from China. Journal of the Huizhou Teachers College 1989(1): 17-21. 
-- Show included taxa
Xu, Y. J. (1989). Key to Chinese Oonopidae and a new species of the genus Ischnothyreus from China. Journal of the Huizhou Teachers College 1989(1): 17-21. -- Show included taxa