1. Permian Brachiopoda from near Kasliu Village, West Timor;Archbold;Alcheringa,1989
2. Die Permischen Brachiopoden von Timor;Broili,1916
3. Brachiopod nomenclature: Epithyris, Hypothyris, Cleiothyris Phillips, 1841;Buckman;Annals and Magazine of Natural History,,1906
4. Chang (Zhang) Shouxin, Ching (Jin) Yugan, 1976. Upper Paleozoic Brachiopoda from the Mount Jolmolangma region. In: A Report of Scientific Expedition in the Mount Jolmolangma Region (1966–1968), Paleontology, fasc. 2 (Edited by Chinese Academy of Science), Science Press, Beijing, pp. 159–242 (in Chinese)
5. Conrad, T.A. 1839 Second annual report on the Palaeontological Department of the Survey, New York Geological Survey, Annual Report 3, 57–66