Massive limestone slab.sponge-dominated reefs during the Late Carnian–Norian to Rhaetian?. abundance of Chaetetids, and the presence of Galeanella sp., Microtubus communis, Decapoalina schaeferae, Alpinophragmium perforatum and Actinotubella gusici. significant reef framework (40–60% of the rock volume)