References

Alberti, G. (1979a). Zur Feinstruktur der Spermien und Spermiocytogenese von Prokoenenia wheeleri (Rucker, 1901) (Palpigradi, Arachnida). Zoomorphologie 94: 111–120. -- Show included taxa

Alberti, G. (1995). Comparative spermatology of Chelicerata: review and perspective. Mémoires du Muséum National d'Histoire Naturelle, Paris 166: 203–230. -- Show included taxa

Alberti, G. (2000). Chelicerata. In: Jamieson, B.G.M. (ed.) Progress in male gamete ultrastructure and phylogeny Oxford and IBH, New Delhi and Calcutta 9 (B): 311–388. -- Show included taxa

Börner, C. (1901). Zur äusseren Morphologie von Koenenia mirabilis Grassi. Zoologischer Anzeiger 24: 537–556. -- Show included taxa

Börner, C. (1902b). Arachnologische Studien. IV. Die Genitalorgane der Pedipalpen. Zoologischer Anzeiger 26: 81–92. -- Show included taxa

Börner, C. (1902d). Koenenia mirabilis und andere Pedipalpen. Verhandlungen der Deutschen Zoologischen Gesellschaft 12: 214–215. -- Show included taxa

Börner, C. (1904). Beitrage zur Morphologie der Arthropoden. I. Ein Beitrag zur Kenntnis der Pedipalpen. Zoologica, Stuttgart 42: 1–174. -- Show included taxa

Bücherl, W. (1971). Clase II. Los Arácnidos. In: Cendrero, L. (ed.) Zoología hispanoamericana. Invertebrados Editorial Porrúa, México D.F.: 347–464. -- Show included taxa

Canard, A. & Stockmann, R. (1993). Comparative postembryonic development of arachnids. Memoirs of the Queensland Museum 33: 461–468. -- Show included taxa

Cloudsley-Thompson, J.L. (1968). Spiders, scorpions, centipedes and mites. Pergamon Press, Oxford. [revised edition] -- Show included taxa

Coddington, J.A., Larcher, S.F. & Cokendolpher, J.C. (1990). The systematic status of Arachnida, exclusive of Acari, in North America north of Mexico. In: Kosztarab, M. and Schaefer, C.W. (ed.) Systematics of the North American insects and arachnids: status and needs Virginia Polytechnic Institute and State University, Blacksburg: 5–20. -- Show included taxa

Comstock, J.H. (1913). The spider book. Doubleday, Page and Co., New York. -- Show included taxa

Condé, B. (1987a). Les Palpigrades du nouveau monde: état des connaissances. Mémoires de la Société Royale Belge d'Entomologie 33: 67–73. -- Show included taxa

Cutler, B. & McCutchen, L. (2007). Heavy metals in cuticular structures of Palpigradi, Ricinulei, and Schizomida (Arachnida). Journal of Arachnology 34: 653–656. doi: https://doi.org/10.1636/S05-37.1 -- Show included taxa

Firstman, B. (1973). The relationship of the chelicerate arterial system to the evolution of the endosternite. Journal of Arachnology 1: 1–54. -- Show included taxa

Giribet, G., McIntyre, E., Christian, E., Espinasa, L., Ferreira, R.L., Francke, O.F., Harvey, M.S., Isaia, M., Kovác, L., McCutchen, L., Souza, M.F.V.R. & Zagmajster, M. (2014). The first phylogenetic analysis of Palpigradi (Arachnida) — the most enigmatic arthropod order. Invertebrate Systematics 28: 350–360. doi: https://doi.org/10.1071/IS13057 -- Show included taxa

Hammen, L. van der (1982). Comparative studies in Chelicerata II. Epimerata (Palpigradi and Actinotrichida). Zoologische Verhandelingen 196: 1–70. -- Show included taxa

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

Hansen, H.J. (1901). On six species of Koenenia, with remarks on the order Palpigradi. Entomologisk Tidskrift 22: 193–240. -- 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

Harvey, M.S., Huey, J.A., Hillyer, M.J., McIntyre, E. & Giribet, G. (2016). The first troglobitic species of Gymnobisiidae (Pseudoscorpiones, Neobisioidea), from Table Mountain (Western Cape Province, South Africa) and its phylogenetic position. Invertebrate Systematics 30: 75–85. -- Show included taxa

Janetschek, H. (1957). Das seltsamste Tier Tirols. Palpenlaüfer (Arachn., Palpigradida): Stellung, Verbreitung, Arten, Bibliographie. Schlern-Schriften 158: 190–214. -- Show included taxa

Juberthie, C. & Juberthie, L. (1964). Sur la neurosecretion et le reproduction d'un palpigrade souterrain. Spelunca Mémoires 3: 185–189. -- Show included taxa

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

Kästner, A. (1932b). Palpigradi Thorell. In: Kükenthal, W. (ed.) Handbuch der Zoologie Walter de Gruyter & Co., Berlin und Leipzig 3 (2) (3): 77–98. -- Show included taxa

Ludwig, M. & Alberti, G. (1990). Peculiarities of arachnid midgut glands. Acta Zoologica Fennica 190: 255–259. -- Show included taxa

Oudemans, A.C. (1940). Die Stellung von Koenenia und Sternarthron im System und die Auflösung der Gruppe "Acari". Zoologischer Anzeiger 131: 287–296. -- 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. (1955a). Arachnida. In: Moore, R.C. (ed.) Treatise on invertebrate paleontology. P, Arthropoda University of Kansas Press, Lawrence 2: 42–162. -- Show included taxa

Roewer, C.F. (1934). Solifugae, Palpigradi. In: Bronn's Klassen und Ordnungen des Tierreichs. 5: Arthropoda. IV: Arachnoidea Akademische Verlagsgesellschaft M.B.H., Leipzig 5(IV)(4)(4–5): 481–723. -- Show included taxa

Rowland, J.M. & Reddell, J.R. (1976). Annotated checklist of the arachnid fauna of Texas (excluding Acarida and Araneida). Occasional Papers of the Museum, Texas Technical University 38: 1–25. -- Show included taxa

Rowland, J.M. & Sissom, W.D. (1980). Report on a fossil palpigrade from the Tertiary of Arizona, and a review of the morphology and systematics of the order (Arachnida). Journal of Arachnology 8: 69–86. -- Show included taxa

Rucker, A. (1901). The Texan Koenenia. American Naturalist 35: 615–630. -- Show included taxa

Rucker, A. (1903a). A new Koenenia from Texas. Quarterly Journal of Microscopical Science (new series) 47: 215–231. -- Show included taxa

Rucker, A. (1903b). Further observations on Koenenia. Zoologische Jahrbücher, Abtheilung für Systematik, Geographie und Biologie der Thiere 18: 401–434. -- Show included taxa

Shipley, A.E. (1909b). Arachnida. In: Sedgwick, A. (ed.) A student's text-book of zoology Swan Sonnenschein and Co. Ltd, London: 774–863. -- Show included taxa

Silvestri, F. (1913). Novi generi e specie de Koeneniidae (Arachnida, Palpigradi). Bollettino del Laboratorio di Entomologia Agraria Portici 7: 211–217. -- 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

Vázquez Rojas, I. (1996a). Palpigradi. In: Llorente Bousquets, J.E., García Aldrete, A.N. and González Soriano, E. (ed.) Biodiversidad, taxonomía y biogeografía de artrópodos de México: hacia una síntesis de su conocimiento Universidad Nacional Autonoma de Mexico, Mexico, D.F.: 59–61. -- Show included taxa

Vázquez-Rojas, I. (1995). Los aracnidos de Mexico parte 1: Ricinulei, Amblypygi, Solifugae, Palpigradi, Schizomida, Uropygi. Dugesiana 2: 15–37. -- Show included taxa

Wheeler, W. (1900). A singular arachnid (Koenenia mirabilis Grassi) occurring in Texas. American Naturalist 34: 837–850. -- Show included taxa

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. -- Show included taxa

Ontano, A.Z., Steiner, H.G. & Sharma, P.P. (2022). How many long branch orders occur in Chelicerata? Opposing effects of Palpigradi and Opilioacariformes on phylogenetic stability. Molecular Phylogenetics and Evolution 168: 107378. doi: https://doi.org/10.1016/j.ympev.2021.107378 -- Show included taxa