Figure F6. Scolecia filosa (SEM images of resin casts of boreholes) produced by the cyanobacterium Plectonema terebrans. S. filosa forms dense meshworks of “spaghetti-like” curved, thin, and long galleries which rarely bifurcate. The trace is recorded in (A, B) coral skeletons and (C, D) microbial crusts of the deglacial sequence of Tahitian coral reefs.
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