Description Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 427, Figs. 1, 2: Holocene, at about 3,900 m, off Southwest Australia, Pacific. 1, Exterior of holotype (BMNH), x 25 (from Loeblich and Tappan, 1964); 2, part of surface of paratype showing irregular chambers and multiple lateral apertures, SEM, x 87 (from Steinhauser, Brönnimann, and Koehn-Zaninetti, 1969).