Hansen, H.J. (1921). The Pedipalpi, Ricinulei, and Opiliones (exc. Op. Laniatores) collected by Mr. Leonardo Fea in tropical West Africa and adjacent islands. In: Studies on Arthropoda Gyldendalske Boghandel, Kjøbenhavn 1: 1–55.
| Taxon | |
|---|---|
| Ricinoides crassipalpe (Hansen and Sørensen, 1904) (Ricinulei: Ricinoididae) | 23–26, plate 2 figs 2a–h, Cryptostemma crassipalpe |
| Ricinoides feae (Hansen, 1921) (Ricinulei: Ricinoididae) | 26–31, plate 2 figs 3a–c, plate 3 figs 1a–i, Cryptostemma feae |