Bell, J.R., Gates, S., Haughton, A.J., Macdonald, D.W., Smith, H., Wheater, C.P. & Cullen, W.R. (1999). Pseudoscorpions in field margins: effects of margin age, management and boundary habitats. Journal of Arachnology 27: 236–240.
| Taxon | |
|---|---|
| Chthonius ischnocheles (Hermann, 1804) (Pseudoscorpiones: Chthoniidae) | 237–239, Chthonius ischnocheles (Hermann) |
| Chthonius orthodactylus (Leach, 1817) (Pseudoscorpiones: Chthoniidae) | 237–239, Chthonius orthodactylus (Leach) |