Strongly dominated by a single stromatopore species: Clathrodictyon mohicanum (40 %).
Other forms are Parallelostroma, Stromatopora...
Low diversity.
Several biostromes 0.5 to 5 m thick and traceable for 1 km. 
Ref 1893:
Nearly 50 % coverage of stromatoporoids.
50 % matrix with 25 % micrite, 5 % sparite and 20 % skeletal sand and debris.
Faunal list in collections refer to middle biostrome at Kuppen (coll. 34406) and Fakle .