Image source: Cushman, J.A. 1929. The Foraminifera of the Atlantic Ocean. Part 6. Miliolidae, Ophthalmidiidae and Fischerinidae. Bull. U.S. Natl. Mus. 104.
Image source: Cushman, J.A. 1932. The Foraminifera of the Tropical Pacific Collections of the ”Albatross”. Part I. Astrorhizidae to Trochamminidae. Bull. U.S. Nation. Mus 161: vi+88 pp.+17 pls.
