Asano 1951. Illustrated catalogue of Japanese Tertiary Smaller Foraminifera (compiled and edited by Leo W. Stach). Part 6, Miliolidae pp. 1-20 fig.; Part 7, Cassidulinidae pp. 1-7 figs.; Part8, Polymorphinidae pp. 1-14 figs.; Parts 9-13, Ophthalmidiidae, Lituolidae,. 1951: pp. 1-39