Alireza Zamani - Zoological Museum, Biodiversity Unit, FI-۲۰۰۱۴ University of Turku, Turku ۲۰۵۰۰, Finland.
Sergei L. Esyunin - Perm State University, Bukireva Street ۱۵, Perm ۶۱۴۰۶۸, Russia.
Kirill G. Mikhailov - Zoological Museum MGU, Bolshaya Nikitskaya Str. ۲, Moscow ۱۲۵۰۰۹, Russia.
Yuri M. Marusik - Institute for Biological Problems of the North, FEB RAS, Portovaya Str. ۱۸, Magadan ۶۸۵۰۰۰, Russia [۱]; Altai State University, Lenina Pr., ۶۱, Barnaul, RF-۶۵۶۰۴۹, Russia [۲]; Department of Zoology & Entomology, University of the Free State, Bloemfontein

New faunistic and taxonomic data are provided for ۱۸ families of Iranian spiders. Four species, Cryptodrassus liyanicus Zamani & Marusik, sp. n. (♀, Bushehr Province; Gnaphosidae), Mesiotelus khorasanicus Zamani & Marusik, sp. n. (♂♀, Razavi Khorasan Province; Liocranidae), Nurscia minuscula Zamani & Marusik, sp. n. (♀, West Azerbaijan Province; Titanoecidae) and Talanites farsensis Zamani & Marusik, sp. n. (♀, Fars Province; Gnaphosidae), are described as new to science. Clubiona liachviana Mcheidze, ۱۹۹۷ stat. reval. (Clubionidae) is removed from the synonymy with C. alpicola Kulczyński, ۱۸۸۲ and is reported from Armenia, Azerbaijan, Iran and Turkmenistan for the first time; additionally, its previously unknown male is described. The genus Kishidaia Yaginuma, ۱۹۶۰ (Gnaphosidae) and a total of ۱۰ species are recorded in Iran for the first time, and new provincial records are provided for ۲۰ species. Two specimens from Iraq are also reported. Considering the results of this paper, the number of species of spiders known from Iran is increased to ۹۸۰ species in ۳۲۹ genera.

Armenia, Azerbaijan, Iraq, new record, new species, taxonomy, Turkmenistan