A faunistic database on the spiders of the Caucasus
A former Caucasus endemic species is now known from the Crimea, too.
Kovblyuk, M. & Nadolny, A. (2007): Harpactea spasskyi (Aranei, Dysderidae) from the Crimea. Vest. Zool. 41 (6): 547-548 [full-text PDF]

"... a thorough collecting of Arachnids in Transcaucasia would yield a magnificent prey because, namely in spiders, an astonishing richness in both individuals and species made itself noticeable." L. Koch (1878)