Image source: Cushman, J.A. 1913. A Monograph of the Foraminifera of the North Pacific Ocean. Part III. Lagenidae. Bull. U.S. Nation. Mus 71: ix+125 pp.+47 pls.
Image source: Cushman, J.A. 1913. A Monograph of the Foraminifera of the North Pacific Ocean. Part III. Lagenidae. Bull. U.S. Nation. Mus 71: ix+125 pp.+47 pls.