Image source: Cushman, J.A. 1917. A Monograph of the Foraminifera of the North Pacific Ocean. Part VI. Miliolidae. Bull. U.S. Nation. Mus 71: vii+108 pp.+39 pls.
Image source: Cushman, J.A. 1933. The Foraminifera of the Tropical Pacific Collections of the ”Albatross”. Part 2. Lagenidae to Alveolinellidae. Bull. U.S. Nation. Mus 161: vi+79 pp.+19 pls.