portrait

Description:

Notice the dramatic change in shape as the cell grows. The young foram produces a tightly coiled test (the whorl at lower right), but later growth spreads out n a disc-like shape. Image courtesy of Gudmundur Gudmundsson, Icelandic Institute and Museum of Natural History. This image was originally published in J. Foram. Res. 32:308-318, and is used with permission.