Requested reference
Platnick, N. I. (1983). A review of the chilensis group of the spider genus Echemoides (Araneae, Gnaphosidae). American Museum Novitates 2760: 1-18. 
-- Show included taxa
Platnick, N. I. (1983). A review of the chilensis group of the spider genus Echemoides (Araneae, Gnaphosidae). American Museum Novitates 2760: 1-18. -- Show included taxa