Pickard-Cambridge, O. (1886). A contribution towards the knowledge of the Arachnida of Epping Forest. Transactions of the Essex Field Club 4: 41–45.
| Taxon | |
|---|---|
| Chthonius rayi L. Koch, 1873 (Pseudoscorpiones: Chthoniidae) | 45, Chthonius rayi |
| Neobisium (Neobisium) simile (L. Koch, 1873) (Pseudoscorpiones: Neobisiidae) | 45, Obisium simile |
| Cheiridium museorum (Leach, 1817) (Pseudoscorpiones: Cheiridiidae) | 45, Cheiridium museorum (Leach) |