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foraminifera

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foraminifera

Any marine protozoan of the order Foraminiferida, with shells of calcium carbonate. Their shells have pores through which filaments project. Some form part of the plankton, others live on the sea bottom.

The many-chambered Globigerina is part of the plankton. Its shells eventually form much of the chalky ooze of the ocean floor.

Fossil foraminifera can be used to study past changes in climate. The fossils contain the two common isotopes of oxygen, 16O and 18O, in different ratios, depending on the salinity of the sea water; therefore the colder the water, the more oxygen-18 the fossils contain.



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? Mentioned in ? References in periodicals archive
 
Katz has spent nearly two years at sea on seven different ocean voyages around the world to drill for foraminifera as part of the
Seafloor fossils to reconstruct Earth's climates up to 250 million ... by Asian News International
any species of animal whose remains contribute to the formation of rocks, especially the corals and Foraminifera.
LANE COUNTY PROPERTY SALES by The Register-Guard (Eugene, OR)
Consequently, calcifying species such as corals, foraminifera, coccolithophores, molluscs, brachiopods, and echinoderms are thought to be particularly at risk.
Early larval development of the Sydney rock oyster Saccostrea ... by Watson, Sue-Ann; Southgate, Paul C.; Tyler, Paul A.; Peck, Lloyd S. / Journal of Shellfish Research
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