Carpenter, G.H. (1902). Arachnida. In: Bigger, F.J., Praeger, R.L. and Vinycomb, J. (ed.) Guide to Belfast and the counties of Down and Antrim M'Caw, Stevenson and Orr, Belfast: 217–220.
| Taxon | |
|---|---|
| Chthonius orthodactylus (Leach, 1817) (Pseudoscorpiones: Chthoniidae) | 220, Chthonius orthodactylus (Leach) |
| Obisium muscorum Leach, 1817 (Pseudoscorpiones: Cheliferidae) | 220, Obisium muscorum |