Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 193, Figs. 13-14: L. Miocene, Mandorove Stage, Gabon. 13, Side view of holotype, SEM, x 105; 14, edge view of apertural region, SEM, x 180 (from Y. Le Calvez et al., 1974).
