Requested reference
Barth, F. G. & Cordes, D. (2008). Key to the genus Cupiennius (Araneae, Ctenidae). Stapfia 88: 225-228. 
-- Show included taxa
Barth, F. G. & Cordes, D. (2008). Key to the genus Cupiennius (Araneae, Ctenidae). Stapfia 88: 225-228. -- Show included taxa