| Clade | Haplocnemata Borner, 1904
| 57 783 8003 | Families Genera Species |
| Order | Opiliones Sundevall, 1833 Daddy long-legs, Daddy longlegs, Daddy-long-legs | 96 2383 11175 | Families Genera Species |
| Order | Phalangida Perty, 1833 ⇒ Opiliones
| 0 0 0 | Families Genera Species |
| Order | Ricinulei ♰ Thorell, 1876 Hooded tickspider, Hooded Tickspiders, Hooded-tick spiders | 8 15 158 | Families Genera Species |
| Order | Scorpiones C. L. Koch, 1837 Scorpion, Scorpions | 87 619 5166 | Families Genera Species |