Currie (1925) erected the genus Clypeobrissus for her species Clypeobrissus somaliensis, unaware of Fourtau's Bothryopneustes. Later Currie (1927, p. 425) considered her species congeneric with B. lamberti, as did Kier (1962, p. 41) and Clypeobrissus a synonym of Bothryopneustes.
E. D. Currie. 1925. The collection of fossils and rocks from Somaliland. Pt. 5, Jurassic and Eocene Echinoidea. Monograph of the Geological Department of the Hunterian Museum, Glasgow University, pp. 46-76, pls. 8-10.
E. D. Currie. 1927. Jurassic and Eocene Echinoidea from Somaliland. Transactions of the Royal Society of Edinburgh, 55, pt. 2 (18), pp. 411-441, I pl., 7 text figs.
P. M. Kier. 1962. Revision of the cassiduloid echinoids. Smithsonian Miscellaneous Collections, 144 (3) 262 pp.