Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 80, Figs. 8-10: Jurassic (L. Callovian), Uzbekistan. 8, 9, Side and edge views of holotype; 10, horizontal section; all x 100 (from Kurbatov, 1972). courtesy of Michael Hesemann https://foraminifera.eu
