| Pseudoscorpionida De Geer, 1778 (Order) |
| | | | | | | | | | details |
| Pseudoscorpionida Cheliferinea (Suborder) |
| | | | | | | | | | details |
| Pseudoscorpionida Cheliferinea Cheliferoidea Risso in Chamberlin, 1931 (Superfamily) |
| | | | | | | | | | details |
| Cheliferidae Risso, 1826 (Family) |
| | | | | | | | | | details |
| Eremochernes Beier, 1932 (Genus) |
| | | | | | | | | | details |
| Lophochernes Simon, 1878 (Genus) |
| | | | | | | | | | details |
| Obisium Illiger, 1798 (Genus) |
| | | | | | | | | | details |
| Parachelifer Chamberlin, 1932 (Genus) |
| | | | | | | | | | details |
| Cheliferidae subfam. Cheliferinae Simon, 1879 (Subfamily) |
| | | | | | | | | | details |
| Chelifer Geoffroy, 1762 (Genus) |
| | | | | | | | | | details |
| Dactylochelifer Beier, 1932 (Genus) |
| | | | | | | | | | details |
| Hysterochelifer Chamberlin, 1932 (Genus) |
| | | | | | | | | | details |
| Mesochelifer Vachon, 1940 (Genus) |
| | | | | | | | | | details |
| Pachychelifer Beier, 1961 (Genus) |
| | | | | | | | | | details |
| Rhacochelifer Beier, 1932 (Genus) |
| | | | | | | | | | details |
| Cheliferidae subfam. Withinae Beier, 1932 (Subfamily) |
| | | | | | | | | | details |
| Withius Kew, 1911 (Genus) |
| | | | | | | | | | details |