Thorell, T. (1892). On an apparently new arachnid belonging to the family Cryptostemmoidae, Westw.. Kungliga Svenska Vetenskaps-akademiens Handlingar 17: 1–18.
| Taxon | |
|---|---|
| Ricinulei Thorell, 1876 | 9, (as suborder of Opiliones), Ricinulei |
| Cryptostemmidae Westwood, 1874 (Ricinulei) | 9–10, (as Cryptostemmoidae), Cryptostemmidae |
| Ricinoides afzelii (Thorell, 1892) (Ricinulei: Ricinoididae) | 10–17, figs 1–8, Cryptostemma afzelii |