Coral bafflestone.
Two coral horizons. Upper more complex (max. 80 cm thick biostrome).
Stabilization, colonization and diversification stages were recognized.
Coral horizon above facies with gigantoproductids, crinoids and solitary rugose corals
Siphonodendron junceum and S. martini (both up to 80 cm in diameter) common. 10 coral species described. Dark thin layer with microbial filaments. Crusts of vermetid gastropods and algae. 
