References

Ewing, H.E. (1929). A synopsis of the American arachnids of the primitive order Ricinulei. Annals of the Entomological Society of America 22: 583–600. ZooBank: 90AC2333-08F3-4F1A-BF25-F97CB1E1EDC2 -- Show included taxa

Hansen, H.J. & Sørensen, W. (1904). On two orders of Arachnida. Cambridge University Press, Cambridge. ZooBank: 0CC7E6DA-B25C-4387-A795-0005DBA0D05B -- Show included taxa

Harvey, M.S. (2003c). Catalogue of the smaller arachnid orders of the world: Amblypygi, Uropygi, Schizomida, Palpigradi, Ricinulei and Solifugae. CSIRO Publishing, Melbourne. -- Show included taxa

Kaestner, A. (1968). Arthropod relatives, Chelicerata, Myriapoda. In: Invertebrate zoology John Wiley & Sons, New York 2. -- Show included taxa

Kästner, A. (1932c). Ricinulei Thorell. In: Kükenthal, W. (ed.) Handbuch der Zoologie Walter de Gruyter & Co., Berlin und Leipzig 3 (2) (4): 99–116. -- Show included taxa

Petrunkevitch, A. (1955a). Arachnida. In: Moore, R.C. (ed.) Treatise on invertebrate paleontology. P, Arthropoda University of Kansas Press, Lawrence 2: 42–162. ZooBank: F42C9AFA-4F47-4D06-BD19-40CBA0BFD5FC -- Show included taxa

Pocock, R.I. (1911). A monograph of the terrestrial Carboniferous Arachnida of Great Britain. Monographs of the Palaeontographical Society 64: 1–84. ZooBank: 717B7672-B0D9-4896-BDEC-009DF07BBF60 -- Show included taxa

Thorell, T. (1892). On an apparently new arachnid belonging to the family Cryptostemmoidae, Westw.. Kungliga Svenska Vetenskaps-akademiens Handlingar 17: 1–18. ZooBank: 897DAED2-FDA9-416C-A2DE-362DCA518A92 -- Show included taxa

Westwood, J.O. (1874). Thesaurus entomologicus oxoniensis. Clarendon Press, Oxford. ZooBank: 722647F0-440D-4B41-8DFA-5096F406F9DB -- Show included taxa