Ricinuleids (Ricinulei) is a biological order of the phylum Arthropoda (Arthropods) and class Arachnida (Arachnids).
Opiliones
Palpigradi
Pseudoscorpiones
Ricinulei
Scorpiones
Schizomida
Araneae
Solifugae
Uropygi
Amblypygi