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. 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.
