Koch, C.L. (1850). Übersicht des Arachnidensystems. J.L. Lotzbeck, Nürnberg 5.
| Taxon | |
|---|---|
| Chelifer Geoffroy, 1762 (Pseudoscorpiones: Cheliferidae) | 3–4, Chelifer |
| Chelifer schaefferi C.L. Koch, 1839 (Pseudoscorpiones: Cheliferidae) | 4, Chelifer schaefferi |
| Obisium nemorale C.L. Koch, 1839 (Pseudoscorpiones: Cheliferidae) | 5, (synonymised by C.L. Koch, 1843), Obisium nemorale |
| Neobisium Chamberlin, 1930 (Pseudoscorpiones: Neobisiidae) | 5, Obisium Illiger |
| Obisium elimatum C.L. Koch, 1839 (Pseudoscorpiones: Cheliferidae) | 5, (synonymised by Beier, 1932a: 137), Obisium elimatum |
| Chernes hahnii (C.L. Koch, 1839) (Pseudoscorpiones: Chernetidae) | 5, Chelifer hahnii |