References

Beier, M. (1932a). Pseudoscorpionidea I. Subord. Chthoniinea et Neobisiinea. Tierreich 57: i–xx, 1–258. -- Show included taxa

Beier, M. (1947b). Zur Kenntnis der Pseudoscorpionidenfauna des südlichen Afrika, insbesondere der südwest- und südafrikanischen Trockengebiete. Eos, Madrid 23: 285–339. -- Show included taxa

Beier, M. (1955l). Pseudoscorpionidea. In: Hanstrom, B., Brinck, P. and Rudebeck, G. (ed.) South African animal life. Results of the Lund Expedition in 1950–1951 Almquist and Wiksell, Stockholm 1: 263–328. -- Show included taxa

Beier, M. (1964k). Weiteres zur Kenntnis der Pseudoscorpioniden-Fauna des südlichen Afrika. Annals of the Natal Museum 16: 30–90. -- Show included taxa

Beier, M. (1966k). Ergänzungen zur Pseudoscorpioniden-Fauna des südlichen Afrika. Annals of the Natal Museum 18: 455–470. -- Show included taxa

Beier, M. (1973a). Weiteres zur Kenntnis der Pseudoscorpioniden Südwestafrikas. Cimbebasia, A 2: 97–101. -- Show included taxa

Chamberlin, J.C. (1930). A synoptic classification of the false scorpions or chela-spinners, with a report on a cosmopolitan collection of the same. Part II. The Diplosphyronida (Arachnida-Chelonethida). Annals and Magazine of Natural History (10) 5: 1–48, 585–620. -- Show included taxa

Chamberlin, J.C. (1931a). The arachnid order Chelonethida. Stanford University Publications, Biological Sciences 7(1): 1–284. -- Show included taxa

Ellingsen, E. (1912b). The pseudoscorpions of South Africa, based on the collections of the South African Museum, Cape Town. Annals of the South African Museum 10: 75–128. -- Show included taxa

Harvey, M.S. (1991a). Catalogue of the Pseudoscorpionida. Manchester University Press, Manchester. -- Show included taxa

Heurtault, J. (1977). Nouveaux caractères taxonomiques pour la sous-famille des Olpiinae (Arachnides, Pseudoscorpions). Note préliminaire. In: Comptes Rendus 3ème Réunion des Arachnologistes d'Expression française, Les Eyzies, 1976 Académie de Paris, Station Biologique des Eyzies, Les Eyzies: 62–73. -- Show included taxa

Roewer, C.F. (1937). Chelonethi oder Pseudoskorpione. In: Bronns, H.G. (ed.) Bronn's Klassen und Ordnungen des Tierreichs Akademische Verlagsgesellschaft M.B.H., Leipzig 5(IV)(6)(1): 161–320. -- Show included taxa

van Heerden, J. & Nondula, N. (2005a). The distribution of the genus Horus (Arachnida: Pseudoscorpiones: Olpiidae) in southern Africa. Fort Hare Papers 14: 1–11. -- Show included taxa