While performing a faunistic study on the superfamily Raphignathoidea of northwestern Iran, north parts of east Azerbaijan and southwest parts of west Azerbaijan provinces during 2016-2018, a total number of 40 species in 13 genera belonging to the superfamily were collected and identified. Among them, four species: Stigmaeus luxtoni Wood, 1981; Ledermuelleriopsis sezeki Doğan, 2004; Eustigmaeus gulingensis Hu and Chen, 1996 and Molothrognathus kamili Doğan, 2003 have been recorded for the first time from Iran.
