Taxa included

Elliot, P., King, P.E., Morgan, C.J., Pugh, P.J.A., Smith, A. & Wheeler, S.L.A. (1990). Chelicerata, Uniramia, and Tardigrada. In: Hayward, P.J. and Ryland, J.S. (ed.) The marine fauna of the British Isles and north-west Europe Clarendon Press, Oxford 1: 553–627.

Taxon
Chthonius halberti Kew, 1916 (Pseudoscorpiones: Chthoniidae) 554, fig. 11.1, Chthonius halberti
Ephippiochthonius tetrachelatus (Preyssler, 1790) (Pseudoscorpiones: Chthoniidae) 554, fig. 11.1, Chthonius tetrachelatus (Preyssler)
Neobisium (Neobisium) maritimum (Leach, 1817) (Pseudoscorpiones: Neobisiidae) 554, fig. 11.1, Neobisium maritimum (Leach)