Requested reference
Platnick, N. I. & Shadab, M. U. (1975b). A revision of the spider genera Haplodrassus and Orodrassus (Araneae, Gnaphosidae) in North America. American Museum Novitates 2583: 1-40. -- Show included taxa
Platnick, N. I. & Shadab, M. U. (1975b). A revision of the spider genera Haplodrassus and Orodrassus (Araneae, Gnaphosidae) in North America. American Museum Novitates 2583: 1-40. -- Show included taxa