References

Condé, B. (1998). Palpigradida. In: Juberthie, C. and Decu, V. (ed.) Encyclopaedia biospeleologica Société de Biospeologie, Moulis and Bucarest 2: 913–920. -- 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

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

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