Requested reference
Platnick, N. I. & Shadab, M. U. (1975a). A revision of the spider genus Gnaphosa (Araneae, Gnaphosidae) in America. Bulletin of the American Museum of Natural History 155: 1-66. 
-- Show included taxa
Platnick, N. I. & Shadab, M. U. (1975a). A revision of the spider genus Gnaphosa (Araneae, Gnaphosidae) in America. Bulletin of the American Museum of Natural History 155: 1-66. -- Show included taxa