Taxa included

Hansen, H.J. (1930). On the comparative morphology of the appendages in the Arthropoda. B. Crustacea (supplement), Insecta, Myriopoda, and Arachnida. In: Studies on Arthropoda Gyldendalske Boghandel, Kjøbenhavn 3: 1–376.

Taxon
Ricinoides karschii (Hansen and Sørensen, 1904) (Ricinulei: Ricinoididae) n/a, plate 14 fig. 9c, Cryptostemma karschii
Ricinoides feae (Hansen, 1921) (Ricinulei: Ricinoididae) n/a, plate 14 fig. 9b, Cryptostemma feae
Cryptocellus simonis Hansen and Sørensen, 1904 (Ricinulei: Ricinoididae) n/a, plate 14 fig. 12a, Cryptocellus simonis
Ricinoides westermannii (Guérin-Méneville, 1838) (Ricinulei: Ricinoididae) n/a, plate 14 fig. 9a (as Cryptostemma westermanni), Cryptostemma westermannii
Ricinulei Thorell, 1876 313–316, Ricinulei