Gnathoncus Jacquelin du Val, 1858

Ghahari, Hassan, Mazur, Slawomir & Ostovan, Hadi, 2017, A Checklist of the Histeridae (Coleoptera: Histeroidea) of Iran, The Coleopterists Bulletin 71 (3), pp. 595-611 : 603

Genus Gnathoncus Jacquelin du Val, 1858

Gnathoncus nannetensis (Marseul, 1862) Distribution in Iran:East Azarbaijan ( Reichardt 1941). General distribution: Entire Palaearctic region. Belarus, China, Czech Republic, Denmark, France, Germany, Hungary, Iran, Ireland, Italy, Japan, Kazakhstan, Lithuania, Macedonia, Mongolia, The Netherlands, Norway, Poland, Portugal, Russia (Central European Territory, Far East, North European Territory, South European Territory), Slovakia, Spain, Sweden, Switzerland, Tunisia, Turkmenistan, United Kingdom, Ukraine.

Gnathoncus rotundatus (Kugelann, 1792)

Distribution in Iran: Kerman ( Kryzhanovskij 1974 as Gnathoncus nanus (Scriba, 1790)) .

General distribution: Nearly the entire Holarctic region. Afghanistan, Algeria, Armenia, Austria, Belgium, Bosnia Herzegovina, Belarus, Canary Islands, China, Croatia, Czech Republic, Denmark, Egypt, Finland, France, Georgia, Germany, Hungary, Iran, Ireland, Israel, Italy, Japan, Latvia, Lithuania, Mongolia, Morocco, The Netherlands, Norway, Poland, Portugal, Russia (Central European Territory, Far East, North European Territory, South European Territory), Serbia and Montenegro, Slovakia, Spain, Sweden, Switzerland, Taiwan, Tunisia, Turkmenistan, United Kingdom, Ukraine, Uzbekistan.