What are these Late Palaeocene organisms observed in carbonate thin-sections?

30 January 2017 1 9K Report

I came across these biotic(?) organisms in carbonates of Late Palaeocene. I would very much appreciate any support in their identification. These images have been taken at 10x magnification (Image 5 is at 4X).

Felix Schlagintweit

The last three pictures belong to dasycladalean green algae.

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