Prolific coral faunas, mostly solitary rugosans but also severals favositid, auloporid and trachypsammid tabulates (Favosites, Pachypora).
Borings indicated on plates and mentioned in plate captions. Probable sponge borings in Trachypsammia.
Mostly reworked coral material in tuffaceous marls.
Corals obviously associated with abundant siliceous sponges and bryozoans. 