Zakhvatkin, A.A. (1952). [Subdivision of the mites (Acarina) into orders and the position of these in the system of the Chelicerata]. Parazitologicheskii Sbornik Zoologicheskii Institut Akademii Nauk SSSR 12: 5–46.
| Taxon | |
|---|---|
| Ricinoides sjostedtii (Hansen and Sørensen, 1904) (Ricinulei: Ricinoididae) | n/a, fig. 29a (as Ricinoides sjöstedti), Ricinoides sjostedtii (Hansen and Sørensen) |
| Ricinoides feae (Hansen, 1921) (Ricinulei: Ricinoididae) | n/a, fig. 29b, Ricinoides feae (Hansen) |