Description Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 342, Figs. 10-15: L. Cretaceous (Barremian), Dobrogea, Romania. 10, Side view: 11-14, sequence showing apertural changes from adult to juvenile; 15, horizontal section; magnifications not given (from Neagu, 1984).