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#Foramanifera

Warren Currie 🦠🦐DrPlanktonguy@ecoevo.social
2023-03-05

Sunday #Plankton Factoid 🦠🦐
Next #zooplankton important to #paleooceanography with a long geological record are #Foramanifera. Like #Radiolaria forams are unicellular amoeboid protozoa, planktonic or benthic with spectacular shaped Tests made of mostly calcium carbonate with pores they exude pseudopodia to capture prey or uptake DOC. Some have symbiotic algae. Known for millenia, but their complicated life cycles, alternating haploid and diploid aren't well documented.
en.m.wikipedia.org/wiki/Forami

Spectacularly varied colored images of many diverse shaped Foraminifera. Most are globular shaped but some have extensions. Bar across the bottom indicates 200 microns, most are slightly larger than this. For full description see linked Wikipedia article (Ecology section).Many images of globular shaped fossils studded with many pores. Scanning electron micrograph of foram tests from a Georgia quarry. Source https://thenaturalhistorian.com/2015/02/26/forams-vs-diatoms-testing-young-earth-flood-geology-hypotheses/Map of the world's ocean sediments. The Foraminifera deposits are offshore most of the oceans shown in blue.

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