Reiman 1956. Subclass Rugosa. Family Cyphophyllidae Wedekind 1927, in Kiparisova, L. D., Markovski, B. P. & Radchenko, G. P. Materials on Paleontology. New Families and Genera. Vses Nauk-Issl Geol Inst Min Geol Okran Nedr SSSR (VSEGEI) NS Palaeont, 12 1956: 37-39