Family Ilyocryptidae Smirnov, 1976 sensu Smirnov, 1992
41. Ilyocryptus sordidus (Liévin, 1848), recorded by Gauthier (1928a). This species is distributed in the Northern Palearctic, but close forms are widely distributed worldwide and need to be revised (Kotov & Štifter 2006).