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. -- Show included taxa

Hansen, H.J. & Sørensen, W. (1904). On two orders of Arachnida. Cambridge University Press, Cambridge. -- 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. -- 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. -- 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. -- Show included taxa

Westwood, J.O. (1874). Thesaurus entomologicus oxoniensis. Clarendon Press, Oxford. -- Show included taxa