Taxa included

Wood, P.A. & Gabbutt, P.D. (1978). Seasonal vertical distribution of pseudoscorpions in beech litter. Bulletin of the British Arachnological Society 4: 176–183.

Taxon
Chthonius ischnocheles (Hermann, 1804) (Pseudoscorpiones: Chthoniidae) 176–182, figs 6–10, 21–25, Chthonius ischnocheles (Hermann)
Obisium muscorum Leach, 1817 (Pseudoscorpiones: Cheliferidae) 176–182, figs 1–5, 16–20, Neobisium muscorum (Leach)
Roncus lubricus L. Koch, 1873 (Pseudoscorpiones: Neobisiidae) 176–182, figs 11–15, 26–30, Roncus lubricus