Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 386, Figs. 11-14: Triassic (Carnian), Tisovec Limestone, west Carpathians. 11, 12, 14, Longitudinal sections of paratypes, x 115; 13, longitudinal section of holotype, x 115 (from Borza and Samuel, 1977). courtesy of Michael Hesemann https://foraminifera.eu
