Paleofusulina zone according to ref. 1326
Ref. 1700 states Wuchipangian age.
Rugose coral (Waagenophyllum) reef. 40-50 % of rock is formed by corals. Single colonies up to 1 m high.
Addtionally sphinctozoans, hydrozoans (?), Tubiphytes, Archaeolithoporella, red algae (Parachaetetes, Solenopora), bryozoans. All of them rare in coral reef core.
Reef 35-57 m thick. 
Dolomitization only in west. Paleontological data from eastern sections with many sponges. Red algal–coral community is dominated by solenoporaceans.