| Classe | Ordre |
| ARACHNIDA | Amblypygi Thorell, 1883 |
| | Araneae Clerck, 1758 |
| | Astigmata Canestrini, 1891 |
| | Endeostigmata Reuter, 1909 |
| | Ixodida Leach, 1815 |
| | Mesostigmata Canestrini, 1891 |
| | Opiliones Sundevall, 1833 |
| | Oribatida Dugès, 1834 |
| | Prostigmata Kramer, 1877 |
| | Pseudoscorpiones De Geer, 1778 |
| | Ricinulei Thorell, 1876 |
| | Scorpiones C.L. Koch, 1851 |
| | Solifugae Sundevall, 1833 |
| | Uropygi Thorell, 1883 |
