Holmberg, E.L. (1876). Aracnidos Argentinos. Anales de Agricultura de la República Argentina 4: 1–28.
| Taxon | |
|---|---|
| Cheiridium museorum (Leach, 1817) (Pseudoscorpiones: Cheiridiidae) | 28, Chelifer museorum |
| Chelifer excentricus Holmberg, 1874 (Pseudoscorpiones: Cheliferidae) | 28, Chelifer excentricus |
| Chelifer timidus Holmberg, 1876 (Pseudoscorpiones: Cheliferidae) | 28, Chelifer timidus |