Taxa included

Legg, G. & Jones, R.E. (1988). Synopses of the British fauna (new series). 40. Pseudoscorpions (Arthropoda; Arachnida). Brill/Backhuys, Leiden.

Taxon
Chthoniidae Daday, 1889 (Pseudoscorpiones) 55, Chthoniidae Daday
Pseudoscorpiones de Geer, 1778 55, Chthoniinea
Kewochthonius Chamberlin, 1929 (Pseudoscorpiones: Chthoniidae) 56, (synonymised by Judson, 1988: 131), Kewochthonius
Chthonius halberti Kew, 1916 (Pseudoscorpiones: Chthoniidae) 56–58, figs 9a, 9b(a–e), Chthonius (Neochthonius) halberti Kew
Chthonius C.L. Koch, 1843 (Pseudoscorpiones: Chthoniidae) 59, Chthonius
Ephippiochthonius tetrachelatus (Preyssler, 1790) (Pseudoscorpiones: Chthoniidae) 59–60, figs 10a, 10b(a–f), Chthonius (Ephippiochthonius) tetrachelatus (Preyssler)
Ephippiochthonius kewi (Gabbutt, 1966) (Pseudoscorpiones: Chthoniidae) 62–64, figs 11a, 11b(a–f), Chthonius (Ephippiochthonius) kewi
Chthonius ischnocheles (Hermann, 1804) (Pseudoscorpiones: Chthoniidae) 65–66, figs 1–2, 3a–c, 4a–b, 5c, 12a, 12b(a–e), Chthonius (Chthonius) ischnocheles (Hermann)
Chthonius tenuis L. Koch, 1873 (Pseudoscorpiones: Chthoniidae) 68–70, figs 13a, 13b(a–f), Chthonius (Chthonius) tenuis L. Koch
Chthonius orthodactylus (Leach, 1817) (Pseudoscorpiones: Chthoniidae) 71–72, figs 14a, 14b(a–f), Chthonius (Chthonius) orthodactylus (Leach)
Pseudoscorpiones de Geer, 1778 74, Neobisiinea
Neobisiidae Chamberlin, 1930 (Pseudoscorpiones) 74, Neobisiidae
Neobisium (Neobisium) maritimum (Leach, 1817) (Pseudoscorpiones: Neobisiidae) 75–76, figs 15a, 15b(a–f), Neobisium (Neobisium) maritimum (Leach)
Neobisium Chamberlin, 1930 (Pseudoscorpiones: Neobisiidae) 75, Neobisium
Neobisium (Neobisium) carpenteri (Kew, 1910) (Pseudoscorpiones: Neobisiidae) 78–80, figs 16a, 16b(a–g), Neobisium (Neobisium) carpenteri (Kew)
Obisium muscorum Leach, 1817 (Pseudoscorpiones: Cheliferidae) 81–82, figs 5a, 6a–d, 17a, 17b(a–g), Neobisium (Neobisium) muscorum (Leach)
Roncus L. Koch, 1873 (Pseudoscorpiones: Neobisiidae) 84, Roncus
Roncocreagris cambridgei (L. Koch, 1873) (Pseudoscorpiones: Neobisiidae) 87–88, figs 19a, 19b(a–h), Roncocreagris cambridgei (L. Koch)
Roncocreagris Mahnert, 1974 (Pseudoscorpiones: Neobisiidae) 87, Roncocreagris Mahnert
Cheiridiidae Hansen, 1894 (Pseudoscorpiones) 90, Cheiridiidae Hansen
Pseudoscorpiones de Geer, 1778 90, Cheliferinea
Cheiridium Menge, 1855 (Pseudoscorpiones: Cheiridiidae) 91, Cheiridium
Cheiridium museorum (Leach, 1817) (Pseudoscorpiones: Cheiridiidae) 91–92, figs 5b, 20a, 20b(a–f), Cheiridium museorum (Leach)
Chernetidae Menge, 1855 (Pseudoscorpiones) 94, Chernetidae
Lamprochernes savignyi (Simon, 1881) (Pseudoscorpiones: Chernetidae) 96–98, figs 21a, 22a, 22b(a–f), Lamprochernes savignyi (Simon)
Lamprochernes nodosus (Schrank, 1803) (Pseudoscorpiones: Chernetidae) 99–100, figs 21c, 23a, 23b(a–i), Lamprochernes nodosus (Schrank)
Lamprochernes chyzeri (Tömösváry, 1883) (Pseudoscorpiones: Chernetidae) 102–104, figs 21b, 24a, 24b(a–f), Lamprochernes chyzeri (Tömösváry)
Pselaphochernes Beier, 1932 (Pseudoscorpiones: Chernetidae) 105, Pselaphochernes
Pselaphochernes dubius (O. Pickard-Cambridge, 1892) (Pseudoscorpiones: Chernetidae) 105–106, figs 25a, 25b(a–j), Pselaphochernes dubius (O. Pickard-Cambridge)
Pselaphochernes scorpioides (Hermann, 1804) (Pseudoscorpiones: Chernetidae) 108–110, figs 26a, 26b(a–j), Pselaphochernes scorpioides (Hermann)
Allochernes wideri (C.L. Koch, 1843) (Pseudoscorpiones: Chernetidae) 111–113, figs 27a, 27b(a–k), Allochernes wideri (C.L. Koch)
Allochernes Beier, 1932 (Pseudoscorpiones: Chernetidae) 111, Allochernes
Allochernes powelli (Kew, 1916) (Pseudoscorpiones: Chernetidae) 114–116, figs 28a, 28b(a–i), Allochernes powelli (Kew)
Dinocheirus Chamberlin, 1929 (Pseudoscorpiones: Chernetidae) 118, Dinocheirus
Dinocheirus panzeri (C.L. Koch, 1837) (Pseudoscorpiones: Chernetidae) 119–121, figs 29a, 30a, 30b(a–j), Dinocheirus panzeri (C.L. Koch)
Chernes Menge, 1855 (Pseudoscorpiones: Chernetidae) 122, Chernes
Chernes cimicoides (Fabricius, 1793) (Pseudoscorpiones: Chernetidae) 122–124, figs 5d, 29b, 31a, 31b(a–j), Chernes cimicoides (Fabricius)
Dendrochernes cyrneus (L. Koch, 1873) (Pseudoscorpiones: Chernetidae) 125–126, figs 29c, 32a, 32b(a–j), Dendrochernes cyrneus (L. Koch)
Dendrochernes Beier, 1932 (Pseudoscorpiones: Chernetidae) 125, Dendrochernes
Withius Kew, 1911 (Pseudoscorpiones: Withiidae) 128, Withius Kew
Cheliferidae Risso, 1827 (Pseudoscorpiones) 128, Cheliferidae
Withius piger (Simon, 1878) (Pseudoscorpiones: Withiidae) 129–130, figs 33a, 33b(a–i), Withius piger (Simon)
Dactylochelifer latreillii (Leach, 1817) (Pseudoscorpiones: Cheliferidae) 132–134, figs 34a, 34b(a–i), Dactylochelifer latreillei (Leach)
Dactylochelifer Beier, 1932 (Pseudoscorpiones: Cheliferidae) 132, Dactylochelifer
Chelifer cancroides (Linnaeus, 1758) (Pseudoscorpiones: Cheliferidae) 135–136, figs 5e-f, 35a, 35b(a–j), Chelifer cancroides (Linnaeus)
Chelifer Geoffroy, 1762 (Pseudoscorpiones: Cheliferidae) 135, Chelifer