You searched for: “foraminifer
foraminifer
1. A marine microorganism having a calcareous shell with openings where pseudopods protrude.
2. A living organism, often microscopic, surrounded by a calcareous or siliceous envelope.

Foraminifers are abundant in sedimentary layers and provide information on the origin and evaluation of the deep substratum.

This entry is located in the following unit: Ocean and Deep Sea Terms (page 2)