Taxa included

Gilbert, O. (1951a). Observations on the feeding of some British false scorpions. Proceedings of the Zoological Society of London 121: 547–555.

Taxon
Chthonius ischnocheles (Hermann, 1804) (Pseudoscorpiones: Chthoniidae) 548–551, figs 1–2 (as Chthonius ischnochelus [sic]), Chthonius ischnocheles (Hermann)
Dactylochelifer latreillii (Leach, 1817) (Pseudoscorpiones: Cheliferidae) 548, fig. 4 (as Dactylochelifer latreilli), Dactylochelifer latreillii (Leach)
Obisium muscorum Leach, 1817 (Pseudoscorpiones: Cheliferidae) 551–552, fig. 3, Neobisium muscorum (Leach)
Neobisium (Neobisium) maritimum (Leach, 1817) (Pseudoscorpiones: Neobisiidae) 552–553, Neobisium maritimum (Leach)