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Stories about: carbonate

4 Things About Foraminifera The Foraminifera ("Hole Bearers") represent a group of amoeba-related protozoa that produce a test (shell) which can have either one or multiple chambers, and in some cases can be extremely complex. The shells are perforated by holes through which the unicellular animal extends its "tentacles", called "pseudopodia", ... 18 April 2008 09:59 GMT