A scanning electron micrograph of a Lesquereusia spiralis shell, side view, the aperture is facing right. You can see the pattern of construction using endogenously produced sausage-shaped silica particles, pieced together with a porous cement. Anush Kosakyan
Detail of a Lesquereusia spiralis shell, showing the pattern of construction using endogenously produced sausage-shaped silica particles, pieced together with a porous cement. Anush Kosakyan
A live Padaungiella lageniformis, with pseudopods extending from the aperture to the left. Daniel J. G. Lahr
A scanning electron micrograph of a Cyclopyxis lobostoma shell, bottom view. Anush Kosakyan
A scanning electron micrograph of a Cyclopyxis lobostoma shell, side view, the aperture is facing up. Anush Kosakyan
Detail of the lobed aperture in a Cyclopyxis lobostoma, showing the intricate pattern of minute minerals used for construction. Anush Kosakyan
A scanning electron micrograph of a Difflugia compressashell, side view, the aperture is facing left. Anush Kosakyan
A live cell of Quadrulella symmetrica, with pseudopods extending from the aperture to the top left. Daniel J. G. Lahr
A live cell of Porosia bigibbosa, with pseudopods retracted. Daniel J. G. Lahr