Description Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 354, Figs. 13-17: Holocene, Greece. 13-15, Delos Island (Dhilos), opposite sides and edge view, x 50 (from Sidebottom, 1904); 16, Naxos, side view, SEM, x 40; 17, enlargement of umbilical region, SEM, x 120 (from Cherif, 1973).