Fig. 10

Unidentified algal-like microbial fabrics. a Encrusting form (white arrow) with the fuzzy structure encrusting the thrombolitic clasts; b Encrusting form (white arrow) with the silk-like texture growing on the substrate surface, combining the tube organisms; c Laminar (white arrow) and grid-shaped (black arrow) microbial fabrics; d Grid-shaped unidentified microbial fabric with irregular fan-shaped grid consisting of fibrous marine cement and micritic layer (white arrow)