English: A reconstruction of the Proterozoic macrofossil Tawuia as a coenocytic macroalgae. The circular structures seen along the length of the organism represent the dark vesicles described in the paper "One-billion-year-old epibionts highlight symbiotic ecological interactions in early eukaryote evolution", which are believed to represent epibionts (organisms that live on the surface of other organisms).
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