David Shale / Deepsea Foraminifera (Discospirina tenuinissima) from mid-Atlantic ridge, June 2010

Juergen Freund / Shell / test of a Foraminifer (or "Foram"), an important source of calcium carbonate in marine sediments and sedimentary rocks

Nature Production / Foraminifera skeletons which make up a large proportion of the sand on Western pacific beaches in Japan

Nature Production / Seashore where Foraminifera {Baculogypsina sphaerulata} make up a large proportion of the sand, Iriomote, Okinawa, Japan

Doug Perrine / Red foraminifera {Homotrema rubrum} on sandy beach, Bermuda

Alex Hyde / Limestone microfossils in a 0.03mm-thick slice of fossil-rich limestone viewed at high magnification, image area is 3mm across in real life. Packed with foraminifera and bryozoans (both microscopic aq...