There are three orders of whip scorpions in the class Arachnida:
- Amblypygi - tailless whip scorpions
- Palpigradi - micro whip scorpions (less than 3mm)
- Uropygi - whip scorpions
See also:
- Pseudoscorpionida - pseudoscorpions
- Scorpiones - scorpions
- Schizomida
- Solifuga - wind scorpions