References

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, pl. 1–13. ZooBank: CA960B92-CB7E-4504-8224-FF2ECF4C5C6C -- Show included taxa

Petrunkevitch, A. (1949). A study of Palaeozoic Arachnida. Transactions of the Connecticut Academy of Arts and Sciences 37: 69–315. ZooBank: 0A24E194-CBB7-43A2-B26A-D117335C485B -- Show included taxa

Petrunkevitch, A. (1953). Paleozoic and Mesozoic Arachnida of Europe. Memoirs of the Geological Society of America 53: i–xi, 1–128. ZooBank: E9B5A9FE-7B50-4F4D-B02F-DE73B8137379 -- 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

Werner, F. (1935a). Klasse: Arachnoidea, Spinnentiere. Pedipalpen. In: Bronns, H.G. (ed.) Klassen und Ordnungen des Tierreichs Akademische Verlagsgesellschaft, Leipzig 5(IV)(8)(3): 317–490. -- Show included taxa