Jackson, A.R. (1907). On some rare arachnids captured during 1906. Proceedings of the Chester Society of Natural Science 6: 1–7.
| Taxon | |
|---|---|
| Ephippiochthonius tetrachelatus (Preyssler, 1790) (Pseudoscorpiones: Chthoniidae) | 6, Chthonius tetrachelatus (Preyssler) |
| Chthonius rayi L. Koch, 1873 (Pseudoscorpiones: Chthoniidae) | 6, (as Chthonius rayii), Chthonius rayi |
| Neobisium (Neobisium) maritimum (Leach, 1817) (Pseudoscorpiones: Neobisiidae) | 6–7, Obisium maritimum |
| Dactylochelifer latreillii (Leach, 1817) (Pseudoscorpiones: Cheliferidae) | 7, Chelifer latreillii |
| Roncocreagris cambridgii (L. Koch, 1873) (Pseudoscorpiones: Neobisiidae) | 7, Roncus cambridgii |
| Lamprochernes nodosus (Schrank, 1803) (Pseudoscorpiones: Chernetidae) | 7, Chernes nodosus Schrank |
| Cheiridium museorum (Leach, 1817) (Pseudoscorpiones: Cheiridiidae) | 7, (as Chiridium [sic] museorum), Cheiridium museorum (Leach) |
| Obisium muscorum Leach, 1817 (Pseudoscorpiones: Cheliferidae) | 7, Obisium muscorum |
| Roncus lubricus L. Koch, 1873 (Pseudoscorpiones: Neobisiidae) | 7, Roncus lubricus |