↑Smith, Kenneth G.V.; Vockeroth, J.R. (1980). Crosskey, R.W. (ed.). Catalogue of the Diptera of the Afrotropical Region. London: British museum (Natural History). pp.1–1436. ISBN0565 00821 8.
↑Oldroyd, H. (1957). The horse-flies (Diptera: Tabanidae) of the Ethiopian Region. III. Subfamilies Chrysopinae, Scepsidinae and Pangoniinae and a revised classification. London: British Museum (Natural History). pp.xii + 489.