Requested reference
Chamberlin, R. V. (1922). The North American spiders of the family Gnaphosidae. Proceedings of the Biological Society of Washington 35: 145-172. 
-- Show included taxa
Chamberlin, R. V. (1922). The North American spiders of the family Gnaphosidae. Proceedings of the Biological Society of Washington 35: 145-172. -- Show included taxa