Koch, C.L. (1839). Übersicht des Arachnidensystems. C.H. Zeh'schen, Nürnberg 2.
| Taxon | |
|---|---|
| Chelifer Geoffroy, 1762 (Pseudoscorpiones: Cheliferidae) | 3–4, Chelifer |
| Chernes hahnii (C.L. Koch, 1839) (Pseudoscorpiones: Chernetidae) | 4, Chelifer hahnii |
| Chelifer schaefferi C.L. Koch, 1839 (Pseudoscorpiones: Cheliferidae) | 4, (synonymised by Simon, 1879a: 22), Chelifer schaefferi |
| Neobisium Chamberlin, 1930 (Pseudoscorpiones: Neobisiidae) | 5, Obisium Illiger |
| Obisium nemorale C.L. Koch, 1839 (Pseudoscorpiones: Cheliferidae) | 5, (synonymised by C.L. Koch, 1843), Obisium nemorale |
| Obisium elimatum C.L. Koch, 1839 (Pseudoscorpiones: Cheliferidae) | 5, (synonymised by Beier, 1932a: 137), Obisium elimatum |