Taxa included

Hammen, L. van der (1979). Comparative studies in Chelicerata I. The Cryptognomae (Ricinulei, Architarbi and Anactinotrichida). Zoologische Verhandelingen 174: 1–62.

Taxon
Ricinoides karschii (Hansen and Sørensen, 1904) (Ricinulei: Ricinoididae) 5, figs 2, 3, 5–21, 24–27, Ricinoides karschii (Hansen and Sørensen)
Cryptocellus becki Platnick and Shadab, 1977 (Ricinulei: Ricinoididae) 6, fig. 23, Cryptocellus foedus Westwood
Ricinoides sjostedtii (Hansen and Sørensen, 1904) (Ricinulei: Ricinoididae) 6, fig. 4, Ricinoides sjostedtii (Hansen and Sørensen)
Cryptocellus foedus Westwood, 1874 (Ricinulei: Ricinoididae) 6, fig. 23 (see Cryptocellus becki Platnick and Shadab), Cryptocellus foedus Westwood
Cryptocellus magnus Ewing, 1929 (Ricinulei: Ricinoididae) 6, figs 1, 22, Heteroricinoides magnus (Ewing)
Ricinulei Thorell, 1876 21, Ricinulei