Description Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 223, Figs. 9-12: Permian, Sutton County, Texas, USA. 9, 10, Side and apertural views of microspheric holotype, x 65 (from Cushman and Waters, 1928); 11, 12, side and apertural views of megalospheric paratype, x 70.