Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 195, Figs. 5-8: Holocene, Philippine Islands. 5, Half-section showing thick wall and chamber interior subdivided by radial partitions, SEM, x 50; 6, part of right side of longitudinal section enlarged to show very thick septa and canaliculate outer wall; 7, exterior of hypotype showing chambers deeply incised just above the sutures, x 30; 8, entire specimen of fig. 6 showing intersection of radial partitions in some chambers on left, x 32 (from Loeblich and Tappan, 1985).