Image source: Cushman, J.A. 1911. A Monograph of the Foraminifera of the North Pacific Ocean. Part II. Textulariidae. Bull. U.S. Nation. Mus 71: xiii+108 pp.
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.
