References

Bolívar y Pieltain, C. (1942). Estudio de un Ricinulideo de la Caverna de Cacahuamilpa, Guerrero, Mex. Revista de la Sociedad Mexicana de Historia Natural 2: 197–209. -- Show included taxa

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

Fernández, R. & Giribet, G. (2015). Unnoticed in the tropics: phylogenomic resolution of the poorly known arachnid order Ricinulei (Arachnida). Royal Society Open Science 2(150065): 1–13. doi: https://doi.org/10.1098/rsos.150065 -- Show included taxa

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

Hammen, L. van der (1989). An introduction to comparative arachnology. SPB Academic Publishing, The Hague. -- Show included taxa

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. -- Show included taxa

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

Harvey, M.S. (1984b). The female of Ricinoides westermannii (Guérin-Méneville), with notes on those of R. afzelii (Thorell) and R. karschii (Hansen & Sørensen) (Ricinulei). Bulletin of the British Arachnological Society 6: 205–210. -- 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

Karsch, F. (1892a). Ueber Cryptostemme Guér. als einzigen recenten Ausläufer der fosslien Arachnoideen-Ordnung der Meridogastra Thor.. Berliner Entomologische Zeitschrift 37: 25–32. -- Show included taxa

Karsch, F. (1892b). Nachschrift zu meinem Aufsatze über Cryptostemma Guér.. Berliner Entomologische Zeitschrift 37: 64. -- 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

Lankester, E.R. (1904). The structure and classification of the Arachnida. Quarterly Journal of Microscopical Science (new series) 48: 165–269. -- Show included taxa

Legg, G. (1977a). The external morphology of immature stages of Ricinoides karschi (Arachnida: Ricinulei). Bulletin of the British Arachnological Society 3: 243–248. -- Show included taxa

Moritz, M. & Fischer, S.-C. (1980). Die Typen der Arachniden-Sammlung des Zoologischen Museums Berlin. II. Uropygi, Amblypygi, Schizomida, Ricinulei, Solifuga. Mitteilung aus dem Zoologischen Museum in Berlin 56: 137–154. -- Show included taxa

Petrunkevitch, A. (1913). A monograph of the terrestrial Palaeozoic Arachnida of North America. Transactions of the Connecticut Academy of Arts and Sciences 18: 1–137. -- 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

Shultz, J.W. (1989). Morphology of locomotor appendages in Arachnida: evolutionary trends and phylogenetic implications. Zoological Journal of the Linnean Society 97: 1–56. -- Show included taxa

Snodgrass, R.E. (1948). The feeding organs of Arachnida, including mites and ticks. Smithsonian Miscellaneous Collections 110(10): 1–93. -- Show included taxa

Talarico, G. & Michalik, P. (2010). Spermatozoa of an Old World Ricinulei (Ricinoides karschii, Ricinoidae) with notes about the relationships of Ricinulei within the Arachnida. Tissue and Cell 42: 383–390. doi: https://doi.org/10.1016/j.tice.2010.10.003 -- Show included taxa

Talarico, G., Lipke, E. & Alberti, G. (2011). Gross morphology, histology, and ultrastructure of the alimentary system of Ricinulei (Arachnida) with emphasis on functional and phylogenetic implications. Journal of Morphology 272: 89–117. doi: https://doi.org/10.1002/jmor.10897 -- Show included taxa

Tuxen, S.L. (1974). The African genus Ricinoides (Arachnida, Ricinulei). Journal of Arachnology 1: 85–106. -- Show included taxa

Weygoldt, P. (2002f). Chelicerata, Spinnentiere. In: Westheide, W. and Rieger, R. (ed.) Spezielle Zoologie Spektrum Akademischer Verlag, Heidelberg, Berlin 1: Einzeller und Wirbellose Tiere: 449–497. -- Show included taxa