Order Pseudoscorpiones De Geer, 1778 Count: [f†f] 25f; †1f [8 Jan 2021] Suborder Heterosphyronida Chamberlin, 1929 [monotypic] Count: [f] 2f [8 Jan 2021] Superfamily Chthonioidea Daday, 1888 Count: [f] 2f [8 Jan 2021] Family Chthoniidae Daday, 1888 Count: - Subfamily Tridenchthoniinae Balzan, 1892 Count: - 1 Tribe Tridenchthoniini Balzan, 1892 Count: - 2 Tribe Verrucadithini Chamberlin, 1929 Count: -