Science / Geology / Foraminifer: A group of single-celled organisms, mostly marine, that produce a calcium carbonate shell. Their shells can make up a significant portion of the carbonate sediment in some areas.
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Science / Geology / Foraminiferal Ooze: A calcareous sediment composed of the shells of dead Foraminifera. MORE
Science / Biology / Foraminifera: Single-celled protists that secrete a shell or test. Accumulations of the shells of dead foraminifera and other microscopic sea creatures form chalk deposits. MORE