Taxa included

Judson, M.L.I. (1979a). Pseudoscorpions in Hertfordshire. Transactions of the Hertfordshire Natural History Society and Field Club 28: 58–64.

Roncus lubricus L. Koch, 1873 (Pseudoscorpiones: Neobisiidae) 59, Roncus lubricus
Obisium muscorum Leach, 1817 (Pseudoscorpiones: Cheliferidae) 59, Neobisium muscorum (Leach)
Chthonius ischnocheles (Hermann, 1804) (Pseudoscorpiones: Chthoniidae) 60, Chthonius ischnocheles (Hermann)
Chthonius tenuis L. Koch, 1873 (Pseudoscorpiones: Chthoniidae) 60, Chthonius tenuis
Ephippiochthonius tetrachelatus (Preyssler, 1790) (Pseudoscorpiones: Chthoniidae) 61, Chthonius tetrachelatus (Preyssler)
Chthonius orthodactylus (Leach, 1817) (Pseudoscorpiones: Chthoniidae) 61, Chthonius orthodactylus (Leach)
Chelifer cancroides (Linnaeus, 1758) (Pseudoscorpiones: Cheliferidae) 61, Chelifer cancroides (Linnaeus)
Pselaphochernes dubius (O. Pickard-Cambridge, 1892) (Pseudoscorpiones: Chernetidae) 62–63, Allochernes dubius (O. Pickard-Cambridge)
Lamprochernes nodosus (Schrank, 1803) (Pseudoscorpiones: Chernetidae) 62, Lamprochernes nodosus (Schrank)
Allochernes wideri (C.L. Koch, 1843) (Pseudoscorpiones: Chernetidae) 62, Allochernes wideri (C.L. Koch)
Pselaphochernes scorpioides (Hermann, 1804) (Pseudoscorpiones: Chernetidae) 62, Pselaphochernes scorpioides (Hermann)
Chelifer (Chernes) godfreyi Kew, 1911 (Pseudoscorpiones: Cheliferidae) 62, Lamprochernes godfreyi (Kew)
Dinocheirus panzeri (C.L. Koch, 1836) (Pseudoscorpiones: Chernetidae) 63, Dinocheirus panzeri (C.L. Koch)
Cheiridium museorum (Leach, 1817) (Pseudoscorpiones: Cheiridiidae) 63, Cheiridium museorum (Leach)