References

Brauckmann, C. (1987b). Neue Arachniden (Ricinuleida, Trigonotarbida) aus dem Namurium B von Hagen-Vorhalle (Ober-Karbon; West-Deutschland). Dortmunder Beiträge zur Landeskunde, Naturwissenschaftliche Mitteilungen 21: 97–109. -- Show included taxa

Frič, A. (1903). Bericht über die mit Unterstützung der kaiserlichen Akademie unternommene Reise behufs Studiums fossiler Arachniden. Sitzungsberichte der Mathematisch-Naturwissenschaftlichen Klasse der Kaiserlichen Akademie der Wissenschaften, Wien 112: 861–869. -- Show included taxa

Frič, A. (1904). Palaeozoische Arachniden. A. Frič, Prague. -- 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

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. (1945a). Palaeozoic Arachnida. An inquiry into their evolutionary trends. Scientific Papers, Illinois State Museum 3(2): 1–76. -- Show included taxa

Petrunkevitch, A. (1949). A study of Palaeozoic Arachnida. Transactions of the Connecticut Academy of Arts and Sciences 37: 69–315. -- Show included taxa

Petrunkevitch, A. (1953). Paleozoic and Mesozoic Arachnida of Europe. Memoirs of the Geological Society of America 53: i–xi, 1–128. -- 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

Scudder, S.H. (1884). A contribution to our knowledge of Paleozoic Arachnida. Proceedings of the American Academy of Arts and Sciences 20: 13–22. -- Show included taxa

Scudder, S.H. (1890). Illustrations of the Carboniferous Arachnida of North America, of the orders Anthracomarti and Pedipalpi. Memoirs of the Boston Society of Natural History 4: 443–456. -- Show included taxa

Scudder, S.H. (1891). Index to the known fossil insects of the world including myriapods and arachnids. Bulletin of the United States Geological Survey 71: 1–744. -- Show included taxa

Selden, P.A. (1992). Revision of the fossil ricinuleids. Transactions of the Royal Society of Edinburgh, Earth Sciences 83: 595–634. -- Show included taxa

Selden, P.A. (1993b). Arthropoda (Aglaspidida, Pycnogonida and Chelicerata). In: Benton, M.J. (ed.) The fossil record 2 Chapman and Hall, London: 297–320. -- Show included taxa