Foraminifera are minute shelled animalcules. They secrete a hard covering or shell made of sand or carbonate of lime. This Discorbina shows the many-chambered shell with the psdeudopodia protruded from the entire surface of the shell by minute apertures.

Foraminifera

Foraminifera are minute shelled animalcules. They secrete a hard covering or shell made of sand or carbonate…