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#foraminifera #foram #marine microbe #protist #shell microbe #plankton #microfossil

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#foraminifera #foram #microfossil #sediment #biostratigraphy

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#foraminifera #foram #microfossil #protist #marine biology

🐚⏳🪨

#foraminifera fossil #microfossil #biostratigraphy #deep time #fossil shell #limestone

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#radiolaria #microfossil #siliceous ooze #ocean sediment #fossil record #chert #plankton skeleton