Grünewiese:
Small differentiated bioherm of massive boundstones, and bedded reef debris. Knobby to hemispherical, laminar and encrusting reef builder morphologies. Stromatoporoids, alveolitids and chaetetids prevailing. Occasional solitary rugosans.
17 species of tabulate corals
10 species of rugose corals
7 species of stromatoporoids
1 species of chaetetids
10 species of algae and microbes
1 species of encrusting forams
6 species of bryozoans

Micrite envelopes.
Rare macroborings (Trypanites).
Distinct ecological succession.

Bredenbruch:
Massive rugose corals (Hexgonaria) and ramose tabulate and rugose corals.
15 m thick bioherm.